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CIRCUIT PROTECTION
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Product News Distributor Stock Updated Datasheets Technical Characteristics Fuseology Selection Guide Time-Current Curves Sales Partner Listings Cross Reference Guide Approval Certificates Frequently Asked Questions Industry Links
eight decades, WICKMANN name been synonymous with protecting people equipment from damage caused overcurrent, overvoltage overtemperature. have team nearly people dedicated providing circuit protection components superior quality, cost performance, delivery service which brought market with innovative technology. Since encounter fast development cycles customer products being introduced nearly every quarter, have developed component design skills manufacturing processes create tailored solutions. Recent successes include surface mount chip fuses employing thick film technology designed protect mini-PCI card modems. Battery chargers mobile phones portable appliances incorporate high breaking capacity TR5® fuse. Time blade-type fuses protect cable amplifiers from damaging lightning. Customers were involved during initial design phase each these products.
management direction, based principles Total Quality Management, encourages strategic actions continuous improvement efforts. have successfully integrated into each corporate divisions. advanced material processes state-of-the-art automated production equipment enable meet high volume demands consumer electronics, computer telecommunications market segments. factories Germany, United States China have attained 9000 certification status. Electronics OEM's have rapidly shifted toward contract manufacturers, quite often other countries enhance their competitive edge. meet this emerging trend with local manufacturing strategic markets well technical commercial support through network factory trained Agents resident countries. Globally-positioned customers expect consistent quality superior service matter which WICKMANN factory builds their components. Additionally, offer comprehensive "e-sourcing" capabilities including detailed product data, distributor availability procurement Web. Customers count WICKMANN philosophy:
engineers safety products, maximum reliability guiding principle; customers most important asset; continue rethink improve performance, organizational structure technologies.
WICKMANN reserves right change update, without notice, technical information contained this catalog. Catalog data valid 2000 August
USEOLOGY
0.368
Order Number Information Fuseology Fuse Selection Form Telecom Application Note Resettable Fuse Application Note Fuse Kits
INIATURE MINIATURE FUSES
5x15mm Fuse 5x20mm Fuses 6.3x32mm Fuses Volt Fuses Volt Fuse
UBMINIATURE FUSES UBMINIATURE
TR5® Fuses Telecom Fuse T2CP TE5® Fuses Fuse Picofuse
URFACE MOUNT FUSES
Chip Fuses (3216 Pad) Chip Fuse (6125 Pad) Telecom Protector Fuses (6125 Pad)
LADE-TYPE FUSES
Fuse Fuse Fuse Fuse FK3/TOE Fuse
USEHOLDERS
Miniature Fuseholders Subminiature Fuseholders Blade-Type Fuseholders
ESETTABLE ESETTABLE FUSES
Surface Mount Radial Leaded Battery Strap-Type
IRCUIT PROTECTORS
Telecom Interface Protector Short Circuit Protector Modul Protector® Inrush Protector
NFORMATION ORDERING INFORMATION
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Packaging Information Sales Partners Sample Request Form
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NDEX
Series (Click) 102071 Series (Click)
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ORDER NUMBER LEGEND
Fuses
System: Order Information Qty. OrderNumber Series Code
Packaging
Enter desired quantity
Series Number shown blue type upper corner each data sheet
Code information provided ratings table each Series
Enter desired Packaging option; quantity information shown each data sheet dimensional data Packaging Section
Example: order 1000 pieces Series 373, 2.50 taped ammopack, following order number format should followed:
Order Information
Qty. 1000
OrderNumber
Series
Code 1250
Packaging
Fuseholders
System: open fuseholders consisting part only, order number shown blue type respective data sheet. Shocksafe fuseholders consist parts holder cap. These types require that both holder body ordered seperate items. Example: Fuse block, Series 646, should ordered 0000 000, while Shocksafe holder Series should ordered 0000 plus 0000 000. Note: fuses fuseholder labels, there will eleven (11) digit part number shown. last digit internal WICKMANN pertains manufacturing location. required when placing order; therefore (10) digits sufficient place valid order.
Cross Reference Guide
Please contact WICKMANN comprehensive Cross Reference Guide. Provided tool both design engineers purchasing agents, offers part number crosses major manufacturers. This Guide includes crosses for: Miniature Fuses Subminiature Fuses Surface Mount Fuses Blade-Type Fuses Resettable Fuses Shocksafe Fuseholders Panel Mount Fuseholders PC-Board Mount Fuseholders Fuse Blocks Fuse Clips
Fuse Sockets Also included Suggested Equivalents which functionally equivalent competitor products, direct drop-in replacements. This Guide also available downloading from WebSite.
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AMPLE REQUEST FORM
request free evaluation samples your upcoming project, please fill return this form your nearest WICKMANN sales office.
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Free Product Samples
Requested
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Required Info:
What best describes your organization? Manufacturer ContractManufacturer Distributor Consultant What your Application?
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Quantity Part Number Description
WICKMANN ONLY -Taken Ship Date
080100
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FUSEOLOGY
RODUCT STANDARDS
objective product safety standards prescribe construction criteria that will ensure safe operation electrical device, well protect user. standard written document issued countries' national safety agency standards committee. Product standards clearly specify user's device built, tested, perform safely. Examples common U.S. European product standards are: 1950 "Safety Information Technology Equipment" "Medical Dental Equipment"
types high voltage power line types, most common standards electronic fuses are: 248-14 60127-2 60127-3 60127-4 Voltage Fuses-Supplemental Fuses Miniature (Cartridge) Fuses Subminiature Fuses Universal Modular Fuses (UMF) CSA-C22.2 No.248.14 L.V. Fuses-Supplemental Fuses
60950 "Safety Information Technology Equipment" 60601 "Safety Medical Equipment" 60065 "Safety Requirements Mains Operated Electronic Related Apparatus Household Similar General Use" Both (Underwriters Laboratories) (Canadian Standards Association) issue standards well provide product testing services obtaining approvals. European nations, (International Electrotechnical Commission) also issues standards created network international technical committees. European Committee Electric Standardization (CENELEC) generates documents called "European Norms" (EN). These documents based existing product standards with national deviations noted. responsibility each national safety agency provide testing approvals does perform test functions. Examples other national safety agencies are: MITI SEMKO British Standards Institution (United Kingdom) Instituto Italiano Marchio Qualita (Italy) Ministry International Trade Industry (Japan) Svenska Elektriska Materielkontrollanstalten (Sweden) Verband Deutscher Elektrotechniker (Germany)
Please note that standards identical harmonized documents which took effect October 1st, 1994. standard (IEC 60127-4) published in1996. Construction standards fuseholders are: 60127-6
PPROVALS APPROVALS
Fuseholders Fuseholders Miniature Fuses
C22.2 No.39-M1987 Fuseholder Assemblies
approval, determined independent testing agency, certifies conformance appropriate standard. Meeting requirements component standard, however, does imply automatic agency approval. Such approvals must applied for, only granted after satisfactory testing been performed. carry Approval mark such that issued CSA, SEMKO, fuse holder must manufactured aforementioned standards. Approvals play large part determining fuse holder's suitability given application. summary approvals follows: Listing: This symbol, granted U.S. agency, guarantees that fuse been manufactured full compliance with 248-14 standard. fuse carrying Listing cannot qualify either SEMKO approval reasons explained next section. Certification: This symbol, granted Canadian agency, guarantees that fuse holder been manufactured full compliance with C22.2 248.14 C22.2 standard, respectively. fuse carrying Certification cannot qualify either SEMKO approval reasons explained next section. SEMKO Approval: This symbol, granted Swedish agency, guarantees that fuse holder been manufactured full compliance with appropriate section 60127 standard. fuse carrying SEMKO approval cannot qualify either Listing Certification reasons explained next section. Approval: This symbol, granted German agency, guarantees that fuse holder been manufactured full compliance with appropriate section 60127 standard. Until recently, fuse carrying approval could qualify either Listing Certification reasons explained next section.
European member nations CENELEC mandated accept EN's. Members include Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Sweden, Spain, Switzerland, United Kingdom.
OMPONENT STANDARDS
Most product standards usually mention that individual components such fuses, tested approved their appropriate construction standard. Component standards more focused defining categories, dimensions, electrical ratings, test set-ups, reliability criteria. While there several standards fuses from small board-mounted
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Kitemark License: This symbol, granted British agency, guarantees that fuse been manufactured full compliance with appropriate section 60127 4265) standard. fuse carrying approval cannot qualify either Listing Certification reasons explained next section.
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FUSEOLOGY
Dentori Approval: This symbol, granted Japan Electrical Testing Laboratory, guarantees that fuse been manufactured full compliance with Japanese MITI standard. This document similar 248-14 with subtle differences voltage ratings breaking capacity criteria. Recognition: UL's Component Recognition Program allows testing components (including fuses holders) which standard exists where only certain sections particular standard referenced. fuse holder submitted testing according criteria defined manufacturer. basic safety requirements during testing component performs predicted, Recognized. Fuses built European 60127 fuse standard (with SEMKO, VDE, and/or approvals) technically qualified apply Recognition. c-UL Listing: This approval similar Certification. Since accredited Standards Council Canada Certified Organization Testing Organization, perform component testing applicable Canadian standards. This approval guarantees full compliance with selected Canadian component standard technically equivalent Certification. c-UL Recognition: This approval similar that offered Component Acceptance Program. basic Canadian safety requirements during testing component performs manufacturer predicts, c-UL Recognized. with Recognition, "Conditions Acceptability" listed test report. c-UL-us Listing: This approval combines Listing c-UL Listing into single approval valid U.S. Canada. This approval guarantees full compliance with selected component standards. c-UL-us Recognition: This approval combines Recognition c-UL Recognition into single approval valid U.S. Canada. with Recognition, "Conditions Acceptability" listed test report. Tulip Tulip Mark: This symbol applied Universal Modular Fuses (UMF) that have been found compliant with 60127-4. possible obtain true Listing European approvals fuse. each fuse holder approval, have listed applicable WICKMANN File Number each safety agency. These agencies will require this file number during product evaluation process. Contact approval certificates needed file numbers listed.
Time Current Characteristics rated current (IRated electronic fuse must equal greater than continuous operating current circuit where fuse used. maximum allowable continuous current through given fuse type varies follows: Standard UL/CSA UL/CSA (UMF)
oltage Rating 250V 125V 250V 125V 32V-250V
Allowable Continuous Operating Current Rated Rated <100% Rated Rated Rated
e-current characteristics
its)
Time-current characteristics
in-M its)
characteristic 248-14
characteristic IEC160127-2. m6.3)0A
Time-current Time-current Curves
Figure
This means that /CSA fuses must "oversized" minimum 35%-40% while fuses (rated 250V) used continuously their full load rating. oversizing factor required simulate "real world" conditions opposed tightly controlled test conditions. This factor compensates line fluctuations, enclosed fuseholders, movement, variances wire solder track dimensions, differences contact resistances. This difference definition rated current means that fuse approximately equivalent /CSA fuse. Sizing information especially critical during fuse replacement since incorrect selection could lead nuisance trips (undersizing) potential fire hazards (oversizing). Each fuse standard also dictates non-fusing fusing timecurrent limits. Non-fusing time defines minimum time which fuse should carry specified current without blowing. Fusing time defined allowable time range (minmax) which fuse should carry specified current before blowing. summary these characteristics shown page Non-fusing times denoted time which temperature stabilization melting element occurs. Dimensions UL/CSA standard does specify dimensions miniature cartridge fuses, however, subminiature "microfuses" required have principal dimension exceeding 10mm. 60127-2 categorizes requirements
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UL/CSA
There significant differences between requirements listed 248-14/CSA 248.14 standard 60127 fuse standards. Whereas, both documents have much common when describing physical dimensions materials used construction, they completely contradict each other when defining pre-arcing time current characteristics fuses. This incompatibility alone makes impossible build electronic fuse that fully complies with these standards. Knowledge these fundamental differences will enable design properly select approved fuse type given application. Since fuse last items selected design, this knowledge time-saver during product approval.
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FUSEOLOGY
Time-Current Miniature Fuse Time-Current Characteristics
Table
UL/CSA 248-14 Rated Current Current Range
Fast Acting Normal Blow Time Time Delay QuickActing QuickActing
60127-2
TimeTimeLag TimeTimeLag TimeTimeLag
100% 135% 150%
0-10A 0-10A 50mA-6.3A 32mA-6.3A 1A-6.3A
1hr.
1hr. 1hr. 1hr. 1hr. 1hr. 1hr.
200% 210%
0-10A 0-3A 50mA-6.3A 32mA-6.3A 1A-6.3A
2min. 30min. 30min. 10ms-2s 10ms-3s 10ms-500ms 50ms-2s 3ms-300ms 3ms-100ms 10ms-300ms 40ms-3s 150ms-3s 95ms-5s 150ms-5s 20ms 20ms 10ms-300ms 20ms-300ms 10ms-100ms 20ms-100ms 10ms-300ms 20ms-300ms 40ms-3s 150ms-3s 200ms-10s 600ms-10s 1s-80s 200ms-10s 600ms-10s 2min. 30min. 2min.
275%
50mA-3.15A 4A-6.3A 32mA-100mA 125mA-6.3A 1A-6.3A
400%
50mA-6.3A 32mA-100mA 125mA-6.3A 1A-3.15A 4A-6.3A
1000%
50mA-6.3A 32mA-6.3A 32mA-100mA 125mA-6.3A 1A-3.15A 4A-6.3A
Subminiature Fuse Time-Current Characteristics Time-Current
Table
UL/CSA 248-14 Rated Current Current Range
Fast Acting Time-Lag Time-Lag
60127-4 (UMF)
Time-Lag Time-Lag
60127-3
Quick-Acting Time-Lag Time-Lag
100% 125% 150% 200%
0-10A 32mA-6.3A 50mA-5A 40mA-4A 0-10A 32mA-6.3A 50mA-5A
1min.
2min. 30min. 2min. 10ms-3s 400ms-10s 30ms 10ms-100ms 20ms 20ms-150ms 3ms-300ms 150ms-3s
210% 275% 400% 1000%
50mA-5A 40mA-4A 50mA-5A 40mA-4A 50mA-5A 40mA-4A 32mA-6.3A 50mA-5A 40mA-4A
Fuse shall open upon reaching stable operating temperature
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FUSEOLOGY
miniature fuses with dimensions 5x20mm 6.3x32mm only. 127-3 covers three configurations subminiature fuses similar picofuse, types shown herein. 60127-4 only covers radial-leaded subminiature fuses surface mount fuses. Terminal spacings vary voltage rating. dimensions including body shape lead spacing explicitly listed. Current Ratings UL/CSA only suggests typical current ratings maximum Amps supplemental fuse category. left manufacturer which increments build. approvals cover range (min-max) current ratings. 60127 specifically lists individual current ratings (ie. 3.15A) that built tested approvals. maximum current rating mentioned 60127 Amps. This means that fuses with ratings above Amps cannot carry European approvals. They referred "nonstandard ratings." fuse with higher current rating (>6.3 Amps) used device, only eligible application-specific approval. Additional testing performed approval itself have stipulations. Breaking Capacity Breaking capacity requirements listed each standard shown below:
Standard UL/CSA UL/CSA UL/CSA UL/CSA UL/CSA UL/CSA UL/CSA 60127-2 60127-2 60127-2 60127-3 60127-3 60127-4 60127-4 60127-4 60127-4 60127-4 Voltage (VAC) Test Current 1000 10,000 1500 IRated 1500 IRated IRated IRated 1500 Fuse Type Blade Micro Miniature Mini (0-1A) Mini (1.1-3.5A) Mini (3.6-10A) Mini (10.1-15A) Mini (15.1-30A) Mini (Low) Mini (Enhanced) Mini (High) Subminiature Subminiature Submini, Submini, Submini, Submini, Submini,
glass fuses. Tests these breaking capacity types power factor 1.0. Required power factors 60127-4 vary breaking capacity category. Tests Stress Tests Endurance testing required 60127 approved fuses. Miniature fuses subjected 120% rated current (100% fuses) cycles followed hour 150% rated current. Tests picofuses fuses conducted rated current hours. After test, fuse must still conduct have maximum voltage drop increase 10%. time fuses under 60127 subjected high ambient operating tests hour. fuses cannot open during test. None these parameters tested UL/CSA standard. Miscellaneous Maximum voltage drops power dissipation values specified current ratings 60127 standard. Neither these parameters required UL/CSA standard. Universal Modular Fuse-links (IEC 60127-4) effort recognize efforts manufacturers build products global marketplace, single fuse standard acceptable both North American European safety agencies published 1996. This document enables single fuse type obtain worldwide approvals such VDE. Specific dimensions, printed circuit board layouts electrical ratings specified. Voltage rating increments 32V, 63V, 125V, 250V. Solderability testing terminations (leads pads) also required. Note that time current characteristics tested 125%, 200% 1000% rated current adding more confusion proper selection. Presently, WICKMANN offers surface mount Chip Fuse (No. 446) that complies with 60127-4. symbol only identification conformity guidelines connection with technical harmonization within European Community. This means that symbol quality standard conformity approval, administrative symbol. WICKMANN products comply with Voltage Directives 73/23/EWG 93/68/EWG. This valid components with operating voltage rated voltage between 50VAC 1000VAC 75VDC 1500VDC. symbol, according Directive, will shown fuse holder shipping only.
UALITY SSURANCE
WICKMANN'S manufacturing plants worldwide have applied received Certificate Registration designating WICKMANN 9001 manufacturer. manufacture high quality circuit protection components necessitates extensive knowledge experience over many years. 9000 Series internationally recognized family standards considered premier benchmark quality assurance systems. "ISO Certified" means that processes used company accept purchase order, review it's requirements, process internal paperwork design, produce, test, deliver product, meet exceed requirements 9001 standard determined independent auditor. copy current Certificate, please contact
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Breaking Capacity Criteria
Table Table
Typically, only ceramic body fuses with 1500 rating (HBC) recommended products directly connected mains. possible, however, that (enhanced breaking capacity) fuse types substituted circuits where maximum short circuit currents known exceed Amps. Power Factor Microfuses built UL/CSA standard subminiature fuses built 60127-3 standard have their breaking capacity tests conducted power factor 0.95 1.0. Test set-ups UL/CSA 60127-2 miniature fuses power factor 0.7-0.8 with exception 60127-2
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FUSEOLOGY
Main Faults that which limits application fuse (i.e. improperly marked dimensions exceeding tolerance levels). Secondary Faults that which impairs appearance does affect normal operation. time current characteristic test carried according Test Level with total value 0.65. Because this destructive test, based extreme value observation. Non-fusing tests performed fuses with high cold resistance values while fusing tests conducted fuses with cold resistance values. Test certificates commission number available fuses that ship industrial size containers.
ANUFACTURER ANUFACTURER RESPONSIBILITY
Vendor materials sample tested accordance with (MIL 105D, 2859). During production process, statistical process controls (SPC) in-line process controls utilized. Upon completion manufacturing process, fuses undergo 100% cold resistance test. final test manufactured parts Test Level with Acceptable Quality Level (AQL) value 0.25 accordance with 2859 whereby distinguish between: Critical Faults present danger body life which exclude safety reasons (i.e. blowing within prescribed time-current limits).
With regard product safety device reliability fuse-link, correct selection important. Only when choosing correctly when using agreed under consideration safety principle (ie. human beings, animals, intrinsic values must protected against danger) definite function fuse protective component possible. Please refer 0022 Section 2.3.5 Self responsibility manufacturer electrical devices which states: "Any person involved production electrical plant systems manufacture electrical equipment including those dealing with operation such systems equipment, accordance with present interpretation law, individually responsible every aspect compliance recognized rules procedures electrical engineering."
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FUSEOLOGY
Standards Testing Agencies
Agency
BELLCORE
Address
Telcordia Technologies Corporate Place Piscataway, 08854 British Standards Institution Quality Assurance Services Milton Keynes MK14 England CEPREI 1501 510610 Guangzhou China Canadian Standards Association Rexdale Boulevard Toronto, Ontario Canada Deutsches Institut Normung Burggrafenstrasse Postfach D-10787 Berlin Germany Federal Communication Commission 1919 Street Washington, 20554 International Electrotechnical Commission Varembe CH-1211 Geneva Switzerland International Telecommunications Union Place Nations CH-1211 Geneva Switzerland International Standards Organization Varembe Case Postale CH-1211 Geneva Switzerland Japanese Industrial Standards Office Agency Industrial Science Technology 1-3-1 Kasumigaseki 1-Chome Chiyoda-ku, Tokyo Japan Svenska Elektriska Materielkontrollanstalten 1103 16422 Kista Sweden Anlagenteknik GmbH Abt. Steubenstr. D-45138 Essen Germany Underwriters Laboratories, Inc. Pfingsten Road Northbrook, 60062 Verband Deutscher Electrotechnicker Merianstrasse D-63069 Offenbach Main Germany
Contact
TEL: (732) 699-5800 FAX: (732) 336-2559 WEB: http://www.telcordia.com TEL: +44/ FAX: +44/ WEB: http://www.bsi.org.uk
CCEE
TEL: +86/ 8723 7006 FAX: +86/ 8723 6171
TEL: (416) 747-4000 FAX: (416) 747-4149 WEB: http://www.csa.ca TEL: +49/ FAX: +49/ 011263 WEB: http://www.din.de
TEL: (202) 418-0200 FAX: (202) 418-2825 WEB: http://www.fcc.gov TEL: +41/ 0211 FAX: +41/ 0300 WEB: http://www.iec.ch TEL: +41/ 5111 WEB: http://www.itu.ch
TEL: +41/ 0111 FAX: +41/ 3430 WEB: http://www.iso.ch
METI (MITI)
TEL: +81/ 9296 FAX: +81/ 1418 WEB:
SEMKO
TEL: +46/ FAX: +46/ WEB: http://www.semko.se TEL: +49/ 3413 FAX: +49/ 3209 WEB: http://www.tuev.rwtuv.de
TEL: (708) 272-8800 FAX: (708) 272-8129 WEB: http://www.ul.com TEL: +49/ 8306 FAX: +49/ 8306 WEB: http://www.vde.de
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FUSEOLOGY
PURPOSE
Fuse links protect electrical devices components from overcurrents short circuits. This achieved automatically melting fuse wire through which fault current flows. irreversible, physical separation created thereby cutting current flow through that conductor. Fuse links rated reliably interrupt current flow when reaches predictable magnitude fixed duration. practical purposes, fuse invisible circuit. optimum matching fuse characteristics protective requirements device important provide both adequate protection end-user maximum utilization other circuit components. order minimize consequential damage comply with requirements standards modern electrotechnology, have compiled following paragraphs essential selection application criteria electronic fuses.
OLTAGE RATING
nominal operating current device magnitude current drawn Amperes) after been energized, warmed operating normally. determine full load continuous operating current circuit, possible occurrence supply voltage fluctuations must considered. cases turn-on inrush currents periodically repeating pulses, please refer section melting integrals derive required fuse current rating. fuse manufactured according Standard replaced similarly rated fuse manufactured according 60127 Standard, safe blowing fuse longer guaranteed. This difference each standard's definition rated current. When loaded with rated current, fuse intended eventually blow, whereas fuse designed operate continuously under similar conditions. Knowledge these definitions differ vital selection proper fuse appropriate current rating. Ambient operating temperature fuse contact resistance must also considered when determining fuse rating.
EMPERATURE TEMPERATURE
Standards establish voltage ratings various types fuses. fuse operated voltage level below voltage rating. These ratings indicate that fuse will reliably interrupt fault currents circuit where operating voltage equal less than rated voltage fuse. Since fuses only sensitive changes circuit current, until fuse wire actually melts, that rated voltage available power becomes issue. important that fuse construction prohibits open circuit voltage from causing "restrike" across open fuse terminals. Standards either require that fault voltage remain applied seconds subsequent interruption current flow without restrike occurring, that insulation resistance across blown fuse measures least MOhm. this reason, rated voltage fuse must least equal greater than operating voltage device.
OLTAGE DROP
Ambient temperature refers temperature immediately surrounding fuse confused with room temperature. fuse ambient temperature higher many cases, because enclosed mounted near other heat-producing components such resistors, transformers, etc. prevent premature blowing fuse, ambient temperatures should exceed 70oC. Contact resistance between fuse connections circuit cause additional heat buildup vicinity fuse terminals. Fuse clips, fuseholders, hookup wire solder track dimensions must sized adequately minimize effect contact resistance. Please refer Table details.
maximum voltage drop across fuse based specifications listed standards. dependant upon construction fuse measured 100% rated current. fuse element generally thin wire etched metal film exhibiting some resistance current flow. Because this resistance, small voltage drop occurs across fuse terminals. most cases, this voltage drop ignored, insignificant when compared operating voltage circuit. However, attention must paid internal voltage drop fuses with current ratings etc.) especially electrical circuits with operating voltages. Fuses with lower current ratings exhibit higher voltage drops extremely small cross sectional areas their melting elements. Voltage drops 100% rated current listed most fuse types.
IRated De-rating
Ambient Temperature
URRENT RATING
current rating fuse identifies current-carrying capacity based controlled test conditions. When subjected current flow excess rated current predictable amount time, fuse should reliably create open circuit condition. order avoid nuisance blowing adequately protect circuit, rated current fuse must equal greater than full load operating current circuit lower than lowest overload current.
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Derating Fuse Rated Current Figure Higher ambient temperatures mean additional loading fuse element. Since technical data presented based standard ambient temperature, either forced cooling de-rating fuse necessary ensure reliable operation higher ambient environment. Derating process selecting fuse with higher rated current allow operation ambient environment above 23oC. Figure above typical derating criteria example, time-lag fuse shall derated 780mA when operating ambient conditions. This calculated multiplying 1.0A times 0.78 (100%-22%) from y-axis.
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FUSEOLOGY
ESISTANCE RESISTANCE
resistance fuse measured voltage drop divided applied test current. usually insignificant part total circuit resistance, however, when using amperage fuses voltage circuits, fuse resistance should taken into account. common refer both cold resistance resistance fuse. actual operating point fuse typically somewhere between these cold resistance points. Cold resistance measured using current more than fuse's nominal rated current. Cold resistance remains nearly constant below rated current. this reason, this parameter excellent predictor fuse quality level when measured production line. resistance calculated using stabilized voltage drop across fuse 100% nominal rated current. Cold resistance data individual fuse types available upon request.
CURRENT CURVES
lowest suitable fuse rated current obtained rounding calculated value standardized typical current rating values shown fuse data pages. time current characteristic curves shown with each fuse series graphical representation "pre-arcing" (fusing) time function fault current. Pre-arcing time defined that period time from moment current sufficient rupture fuse element begins flow until arcing occurs. Pre-arcing time includes actual melting time fuse, well heating-up period. time current characteristic curve demonstrates relationship between pre-arcing time fault current magnitude. Pre-arcing time expressed seconds vertical axis. ratio, IFault IRated (fault current magnitude divided rated current fuse), expressed pure number units) horizontal axis. blowing curves shown envelope listed rated currents. upper curve represents maximum blowing time, while lower curve represents minimum blowing time. region between curves identifies range blowing times ratings particular fuse series. standardized fuses, these curves defined their respective fuse standard. Individual curves exist each rated current obtained upon request. These curves enable most precise selection fuse type current rating application. They should used verify that fuse performance will match known circuit start-up operating conditions.
APACITY REAKING CAPACITY
breaking capacity fuse dependent number factors including fuse construction, circuit operating voltage, current type circuit power factor. sand ceramic disks miniature subminiature fuse construction increase maximum breaking capacity. These materials tend distribute heat generated from fault condition over entire fuse element. breaking capacity fuse much lower applications than applications. circuit, quenching assisted periodic passage both voltage current sine waves through zero. This allows momentary clearing (cooling) occur within confines fuse casing. this waveform effect present circuits, interruption similar fault currents prove more difficult. Greater reliance made special design features incorporated into fuse casing arc-quenching purposes. circuits, power factor (cos also have considerable influence quenching behavior. circuit power factor reduced below unity, breaking capacity fuse decreases accordingly. circuit operating voltage reduced below rated voltage fuse, breaking capacity fuse increases nonlinearly. cases, breaking capacity fuses listed herein tested specific voltage level, current level, power factor.
ELTING INTEGRAL ELTING
thermal energy required melt specific fuse element termed melting integral represented product (Amps2 sec.). This value parameter fuse itself determined construction materials used. Laboratory tests conducted individual fuse ratings determine nominal melting I2t. During these tests, fault current (typically times rated current fuse) applied long enough melt element. Studies have shown that melting integral fuse element remains constant when; there heat dissipation from surface element surrounding materials, heat within fuse casing conducted away fuse contacts terminals. Adiabatic heating occurs when heat energy causes element completely melt. Upon test completion, fuse melting integral easily calculated squaring applied fault current multiplying actual melting time. This value independent temperature voltage fluctuations.
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breaking capacity fuse measure maximum fault current which fuse will safely interrupt without exploding, rupturing, causing fire. During fault short circuit condition, fuse receive instantaneous overload current many times greater than rated current. fuse immediately senses this increase current flow element begins overheat melt. fuse must safely interrupt this current flow subsequently prevent potential restrike before catastrophic fault short circuit conditions causes physical damage downstream equipment.
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fast-acting fuses, this Guide lists maximum melting integrals. Fast-acting fuses used protect devices from short duration, high amplitude fault conditions. Turn-on transients pulsed currents usually present. this reason, circuit designer requires particular fuse rating open prior catastrophic fault. example would protection semiconductor components which sensitive overcurrent condition. Selecting fuse rating with maximum value less than semiconductor's rating guarantees that fuse will open before semiconductor component damaged. Time fuses listed with their minimum melting integral values. capacitive inductive circuits, where normally anticipated turn-on transients, inrush currents, surge pulse currents present, time-lag fuse required. Selecting fuse rating with minimum value sufficiently greater than calculated limit transient pulse waveform guarantees that fuse will cause nuisance interruptions transient pulse conditions. When fuse pulsed with periodic inrush repetitive transient currents sufficiently powerful warm fuse element strong enough cause fuse blow, thermal stress caused cyclical expansions contractions fuse element lead mechanical fatigue premature failure. Selecting appropriate current rating involves choosing fuse with value greater than equal value pulse multiplied Pulse Factor formula this relationship follows:
Ideally, inrush current oscillogram should recorded with circuit energization coinciding with peak supply voltage waveform. Multiply resulting Pulse Pulse Factor (FP). determine estimate amplitude inrush current quantity transient pulses fuse will subjected over lifetime device approximate time interval between pulses. Refer Pulse Factor Derating Curve Figure when selecting either fast acting time fuse. product I2tPulse determines prorated value inrush current waveform over life expectancy device. Lastly, select fuse rating with minimum melting integral (I2tFuse that exceeds this prorated value. more complex waveforms rapidly repeating pulses 100ms interval), contact WICKMANN design assistance. strongly recommend that selected fuse tested under normal, fault, simulated life cycle conditions ensure proper selection.
FUSE TYPES
Fuses classified their construction miniature, subminiature, blade-type.
Miniature cartridge fuses commonly available dimensions 5x20mm 6.3x32mm. Their main advantage relative ease replacement when used conjunction with open fuse blocks enclosed fuseholders. Subminiature fuses include TR5, TR3, TE5, picofuse, Fuses surface mounting. These have very small dimensions ideal compact circuit board layouts. Axial radial leaded fuses, well newer surface mounted types, permit cost effective installation methods automatic placement. fuse series electrically equivalent miniature glass cartridge fuses, offer much lower voltage drop values higher resistance impact vibration. Blade-type fuses typically used voltage, high current applications. automotive industry standardized three sizes small, standard, large. Blade-type fuses have become popular many non-automotive applications their ease replacement cost. Protectors recommended protection secondary circuits voltage IC's. Similar high grade fusible resistors, protectors bound competing component standards, thus applicable worldwide.
Further subdivision above referenced fuse types made under topics Manufacturing Standard, Time Current characteristic Fault Current Interruption Capability; each which already been discussed summarized below. North American component standard miniature subminiature fuses 248-14. component standard adopted Europe 60127. Because fundamental differences rated current defined, always possible interchange fuses built these different standards. Fuses also subdivided according their relative prearcing Time Current characteristics. This characteristic determines fuses react varying fault current conditions. While Standard identifies fuses with either Normal Blow Time Delay characteristics, standard defines
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tFuse tPulse
From Figure determine which waveform approximates circuit turn-on condition. Calculate waveform's approximate melting integral (I2tPulse using corresponding formula from Figure Accuracy this calculation improved obtaining from inrush current oscillograms using maximum recorded peak inrush current calculation. This peak inrush current will vary according level supply voltage instant device turned
Waveform Pulse Waveform
0.368
Current-Time Waveforms Current-Time Integral Waveforms
Figure
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pulse interval
(quick acting)
(time lag) (time lag)
Quantity Pulses
Pulse Factor Derating Curve
several characteristic types lists their symbols follows: Symbol Characteristic Very Quick-acting Quick-acting Medium Time-lag Time-lag Long Time-lag
1.6A 250VAC
Figure
miniature cartridge fuses. With exception current rating, "microfuses" built UL/CSA 248-14 have above information printed smallest shipping package only. option manufacturer, fuses also display approval marks, part numbers, color coding. Picofuses surface mount fuses, because their size, only have manufacturer's logo current rating printed body. Examples various markings shown below:
60127 (Sheet No.)
Normal Blow characteristic roughly corresponds Quick-acting characteristic. Since fuses exhibiting these characteristics have melting integrals, they typically used protect devices which normally generate inrush surge currents. standard application Normal Blow Quick-acting fuses protect devices where overcurrents short circuit currents must quickly interrupted. higher melting integral (I2t) values associated with Time Delay Time-lag fuses make them ideal protection applications exhibiting turn-on inrush, transient, repetitive pulse currents. Such applications include capacitive loads (i.e. battery charging circuits) inductive loads (i.e. power supply motor load circuits). Fuses also classified according their fault current interruption capability, commonly referred "Breaking Capacity" rating. Please refer Table breaking capacity values associated with standards.
1.6A L250V
5x20mm (UL)
5x20mm (IEC)
(UL)
(IEC)
Fuse
ARKINGS
Both UL/CSA fuse standards state that fuse casings shall marked with: Manufacturers Name Trademark Rated Current Rated Voltage (Volts) Symbol Time-Current Characteristic Additionally, 60127-2 requires symbol rated breaking capacity ("L" Low, Enhanced, High)
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Picofuse
Blade Fuse
Fuse Markings
Figure
USEHOLDERS
Fuseholders either open type totally enclosed type. Depending type fuseholder selected application, consideration must given ambient temperature, electrical conductor cross-sectional area maximum power dissipation (self-heating) fuse chosen conjunction with fuseholder. Maximum power dissipation values especially critical when selecting
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enclosed fuseholders, since excessive heat built inside fuseholder cause material damage will certainly result premature fuse failure. maximum power dissipation capability (ie. rated power acceptance) fuseholder listed individual data pages. These values valid ambient temperature When ambient temperatures above encountered, power acceptance derating curves have considered.
current varies according each agency's individual approval. Operating currents accordance with UL/CSA approvals merely indicate maximum current-carrying capacity fuseholder terminals. comparison, operating currents accordance with European safety agency approvals (SEMKO/VDE) include consideration maximum power dissipation intended fuse minimum conductor cross-section maximum ambient temperature. Thus, approved operating current limits accordance with UL/CSA considerably higher than approved limits accordance with SEMKO/VDE. order achieve highest degree safety prevent possible damage, recommended that fuse holder combinations tested under actual load conditions. Most circuit protection applications require that enclosed fuseholders limit user contact with live parts during operation servicing. Fuseholders manufactured with integral protection against electric shock termed "Shocksafe". These types listed under Category 60127-6 fuseholders with integral protection against electric shock. These holders designed such that live parts accessible when fuseholder correctly assembled installed panels printed circuit boards. addition, live parts accessible during insertion removal fuse carrier. Compliance checked "test finger" described standard 60529. Shocksafe fuseholders commonly used instrumentation, medical consumer products. other non-shocksafe fuseholders specified following data pages fall under category which describes fuseholders without integral protection against shock (ie. fuse blocks).
NSTALLA ALLATION INSTALLATION
4W-Holder
Fuseholder Power Acceptance
2.5W-Holder
1.6W-Holder
Ambient Temperature
Figure Power Acceptance Derating Curve derated power acceptance value fuseholder shall greater than maximum power dissipation chosen fuse insure proper selection. Particular care must taken applications where miniature ceramic cartridge fuses used, especially operation these series "overload" region cannot excluded. Ceramic fuses generate excessive heat when operated 150%-200% rated current several minutes. Power dissipation values become higher than those listed respective data pages. recommended minimum cross sectional area conductor connected fuseholder determined based anticipated maximum load condition, normal circuit operating current power dissipation value intended fuse. Note that circuit operating current equal rated current intended fuse. Table lists minimum cross-sectional areas conducting paths (solder tracks) board-mounted fuseholders conductor (wire) sizes required panel mount fuseholders.
Unlike fuses, individual fuseholders tested approved both North American European safety agencies. However, maximum permitted fuseholder operat-
Miniature fuses installed clips, open blocks, enclosed fuseholders, axial leads direct soldering. When bending wires axial leaded fuses, mechanical support recommended. wires should bent minimum lead diameters from fuse body prevent damage. subminiature fuses protectors with wire leads suitable wave iron (hand) soldering procedures. wave soldering, recommend soldering time three seconds maximum. iron soldering, duration approximately second sufficient. Heat sinking should considered. Surface mount fuses constructed handle typical soldering processes including wave, reflow, vapor phase. inquiries about special soldering methods, please contact protectors, subminiature surface mount fuses exposed aqueous-based board wash solutions. Since miniature cartridge fuses sealed, provisions should made these types exposed board washing.
Values Maximum Load Values
Operating Current 6.3A 10.0A 16.0A Conductor Requirements Fuse Power Dissipation 1.6W 2.5W 4.0W
Minimum Cross Sections (Copper)
Conducting Path 0.1mm2 0.2mm2 0.2mm
Conductor Size 0.75mm2 1.50mm2 2.50mm
Table Table
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FUSE PROTECTOR SELECTION
Company: Address:
WICKMANN Applications Engineering Fax: 2302 (Europe) Fax: (404) 699-9176 (U.S.) Fax: +852 2615 9216 (Asia)
Tel: Fax: E-mail:
Where intend approve your device? North America Europe Japan Worldwide approvals required will fuse protector mounted? Replaceable, with holder clips Solderable, with leads Solderable, surface mount Specify
What maximum possible fault current? IFault, max:
there current pulses when turning device? Yes, with following waveform (Circle one)
also attach oscillogram
there inrush current pulses
What maximum effective operating voltage?
0,368
Insert waveform melting integral, known.
What maximum continuous operating current?
Quantity pulses projected over product life. 1000 10,000
What maximum ambient temperature close proximity fuse protector?
100,000 1,000,000 Description device which fuse protector will installed (ie. primary circuit set).
What fault currents occur? What melting times require? IFault1: IFault2: tMelt1, max: tMelt2, max:
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Estimated annual usage: pcs. Please provide samples. Please provide quotation.
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FUSE PROTECTOR SELECTION
Company: Address:
WICKMANN Applications Engineering Fax: 2302 (Europe) Fax: (404) 699-9176 (U.S.) Fax: +852 2615 9216 (Asia)
Tel: Fax: E-mail:
Where intend approve your device? North America Europe Japan
What maximum possible fault current?
IFault, max:
there current pulses when turning device?
Worldwide approvals required
Yes, with following waveform (Circle one)
also attach oscillogram
there inrush current pulses
will fuse protector mounted?
Replaceable, with holder clips Solderable, with leads Solderable, surface mount Specify
What maximum effective operating voltage?
0,368
Insert waveform melting integral, known.
What maximum continuous operating current? Quantity pulses projected over product life. 1000 10,000 What maximum ambient temperature close proximity fuse protector?
100,000 1,000,000
Description device which fuse protector will installed (ie. primary circuit set).
What fault currents occur? What melting times require?
Primary circuit switching power supply Estimated annual usage: pcs.
IFault1:
IFault2:
0.01 tMelt1, max:
tMelt2, max:
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Please provide samples.
Please provide quotation.
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PPLICATION TELECOM APPLICATION NOTE
Background
Transient overvoltages occurring telephone lines usually traced sources: atmospheric interference such lightning, power lines. Solid state circuitry telephone subscriber equipment central office equipment extremely sensitive these overvoltages excessive currents. Various types current voltage sensitive components selected protect telecommunications equipment from lightning-induced power system-induced overvoltages. Listed herein background information circuit design considerations.
Power System
power source telecommunications equipment taken from commercial power lines. Typically, telephone power lines side-by-side suspended poles buried earth. telephone line consists many pairs conductors arranged twisted pairs called ring lines. Regardless location, twisted pairs capable picking transient overvoltages transmitting them central office subscriber equipment. sources power system interference attributed power induction power cross. Power induction result circulating currents earth high currents adjacent lines induced telephone lines their close proximity power lines. more damaging source transient overvoltages from direct physical contact (ie. short-circuit) between telephone power lines. Power cross last several minutes cause excessive voltage development current flow into telephone equipment. Power cross been traced cause many building equipment fires.
Equipment
Analog Telephones ISDN Telephones Modems Facsimile Machines Answering Machines Switching Line Cards Router Adapter Cards Videoconferencing Equipment xDSL Equipment Line Test Equipment Equipment
Lightning
Nearby lightning strikes most common source atmospheric interference telephone lines. Most telephone lines jacketed shielded cables. Nearby lightning cause excessive currents flow shield surface, thereby inducing transient overvoltages between internal conductor shield itself. levels these overvoltages depend construction cable it's internal impedance. Indirect lightning enter buried telephone lines ground currents. These currents will exit shield each grounded pole along it's path until fully dissipated. Since cable fixed impedance, potential gradient will created along cable's entire length. gradient will induce potential difference between cable soil. several points along cable, it's dielectric value will exceeded, causing puncture. each puncture point, portion lightning current will escape true ground. Some remaining surge currents will eventually enter sensitive telecommunication equipment.
Power System Interference
Figure
Effects
During recent years, increased usage telephone lines voice, data, video transmission caused increased sensitivity overvoltages. Solid state IC's much more susceptible damage failure from transients line noise conditions. Since these surges typically unidirectional impulses, they cause permanent damage components, equipment fires shock hazards. Temporary faults, such ring imbalance, also common occurences. predominant industry standards below.
1950 Edition
When introduced April 2000, objective 1950, "Safety Information Technology Equipment," protect users from fire hazard electrical shock. Functionality equipment covered under this standard. Test procedures Section required that telecommunication equipment wrapped cheesecloth connected power source through time delay fuse wire. series overvoltages overcurrents simulating long short term power induction power cross conditions applied across equipment's ring line input. purpose test fuse wire simulate building wiring. Equipment tested both line-to-ground line-to-line modes shown:
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Lightning Interference
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Test L1/M1 L2/M2 L3/M3 Voltage (VRMS) Current Duration sec. min.
Part
Most products devices which interface U.S. Canadian telecommunications network must registered with Federal Communications Commission under Part "Connection Terminal Equipment Telephone Network" governmental regulation which prescribes series tests procedures that designed determine equipment potential harm network. This standard does address subscriber equipment requirements only harm network criteria. Specifically, Section lists series simulated lightning waveforms that potentially cause fire shock hazards humans equipment. basic tests follows:
Surge Type Voltage Current Waveform Pulses Metallic Longitudinal Longitudinal 1500 2500 1000 10x560 10x160 2x10
Test 1950 Test Conditions
Table Table
varying currents simulate short long term induction power cross. tests, purpose equipment's overcurrent protector (fuse) safely interrupt fault current without ignition charring cheesecloth before wiring simulator opens. equipment fuse must limit current within acceptable range shown Figure fuse's melting integral (I2t) must less than that wiring simulator test points guarantee successful circuit interruption. Additionally, Tests L4/M4 prescribe criteria where equipment fuse jumpered Volts applied 135% fuse current rating (2.2 Amps max) minutes. Power dissipation (selfheating) monitored nearby circuit components.
Test Test Conditions
Table Table
UNACCEPTABLE UNACCEPTABLE REGION
Current
Metallic surges applied ring while longitudinal surges applied between ground ring ground. primary objective these tests allow telecommunications equipment interface circuitry safely divert lightning-like transients ground. circuitry maintains path ground after transient subsides, potential network interference exists line imbalance. equipment should remain fully operational after these surge voltages applied. This means that equipment fuse does open overvoltage device returns it's high impedance state.
ACCEPTABLE ACCEPTABLE REGION
Volts
Time
1950 Wiring Simulator Characteristics
Figure
Time (µs)
telecommunication lines entering building pass through primary protector shunting voltages excess Volts. Unfortunately, these coarse protectors allow potentially damaging voltages remain lines. purpose secondary equipment overvoltage device clamp overvoltages during power cross conditions protect downstream load. When solid state overvoltage devices fail, usually shorted mode, producing limited impedance path current flow. Depending impedance value, this potentially cause fire hazard building wiring equipment. equipment fuse used eliminate these hazardous conditions. designer should exercise caution during fuse selection, since current rating pass 1950 satisfactorily, withstand simulated lightning surge waveforms described next sections. high fuse rating potentially allow damaging currents destroy downstream components. present, 1950 Edition must referenced test Information Technology equipment. 2005, equipment must Listed 60950 Edition.
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Waveform Metallic Surge Waveform
Figure
Bellcore 1089
Many manufacturers required only pass 1950 Part also comply with Bellcore GR-1089CORE: "Electromagnetic Compatibility Electrical Safety Generic Criteria Network Telecommunications Equipment." Already leading provider communications software consulting services based extensive research, Telcordia Technologies (formerly Bellcore) creates business solutions that make information technology work telecommunications carriers, businesses governments worldwide. quite common equipment supplied Bell operating company clients subjected GR-1089CORE. This standard essentially combines lightning immunity, power cross, power induction criteria into document. Because it's higher energy surge waveforms higher pulse repetition, designer must select more
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surge tolerant circuitry than required alone. Unlike 1950 Edition, Bellcore does impose limit fuse rating. These simulated lightning power fault tests applied telecommunications (tip ring) ports equipment assumes externally protected 3-mil carbon blocks. First-level lightning surge criteria, shown Table states that equipment shall undamaged continue operate properly after waveform removed. Second-level lightning surge criteria, shown Table allows equipment sustain damage, shall present fire, fragmentation, electrical safety hazard.
Surge Voltage Current Waveform 1000 1000 2500 1000 10x1000 10x360 10x1000 2x10 10x360 Pulses
Test Voltage (VRMS) 120, 100-600 Current Std. Duration min. sec. sec. min. min.
Bellcore Level Power Fault
Table Table
Table tests Nos. simulate secondary primary power cross conditions, respectively. remaining tests prescribe criteria short long term power induction. designer, their discretion, elect substitute prior 1950 test results this section. Only Test conducted Volts, must performed, since addressed 1950.
Bellcore Level Lightning
Surge Voltage Current Waveform 5000 2x10
Table Table
Pulses
Bellcore Level Lightning
Table Table
Note that Table Surge performed lieu Surge Nos. expedite testing. equipment must withstand total pulses polarity) Surge Nos. thru remain operational. Various longitudinal test connections ring ports surge generator ground specified standard.
Table requirements intended cover non-customer premises equipment (non-CPE). Criteria terminal equipment (telephone sets, PBX, etc.) located customer premises subjected power cross conditions. First, applied between exposed conductive surfaces ground then applied both metallic longitudinal modes across ring ports ground. These test voltages initially applied raised slowly such that current limited 100mA voltage does rise greater than percent over minute interval. Voltage increased until following conditions occurs: maximum voltage reached, current reaches Amps wiring simulator (1.6A glass fuse) opens equipment fails open-circuited. wiring simulator opens equipment fails, equipment failed power cross test.
ITU-T Recommendation K.20
International Telecommunications Union (ITU) intergovernmental organization, consisting member states within which public private sectors cooperate development telecommunications. adopts international regulations treaties governing terrestrial space uses frequency spectrum, within which countries adopt their national legislation. also develops standards facilitate interconnection telecommunication systems worldwide regardless type technology used. Recommendation K.20 named, "Resistability Telecommunications Switching Equipment Overvoltages Overcurrents" issued October 1996. This standard relates exchanges similar switching centers concerned mainly with stress conditions applied points connections subscriber lines. Tests include surges lightning near telephone central offices, short term induction voltages from adjacent power lines railways, direct contact between telephone lines, power lines electrostatic discharges. summary tests Table follows:
Test Voltage 1000 4000 Current Duration Std. 10x700 10x700 sec. sec. min. Pulses
Volts
Time (µs)
Waveform Bellcore Surge Waveform
Figure
First-level Power Fault criteria, shown Table states that equipment shall undamaged continue operate properly after waveform removed. Secondlevel Power Fault criteria, shown Table allows equipment sustain damage, shall present fire, fragmentation, electrical safety hazard.
Test Voltage (VRMS) Current Duration Pulses 200, 400, 1000 0.33 0.17 Std. min. min. sec. sec. sec.
Bellcore Level Power Fault
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Tests describe metallic longitudinal lightning surges conducted 1000 Volts 4000 Volts peak. Test only applies equipment exposed harsh environments where specific type overvoltage device agreed upon. time interval between consecutive surges minute polarity reversed between each surge. Tests power induction simulated with five surges applied Volts thru resistor seconds second, respectively. aforementioned tests, equipment shall withstand surges without damage shall continue operate within specified limits afterwards. power cross voltage Volts Test applied minutes each through varying resistor values. These values simulate power cross incidents varying distances from telephone exchange. power cross tests damage equipment irreparably, fuse shall safely interrupt fault fire occur.
Fused Ring Line Interface
Figure
Telecom Circuit Protector
these sample interface circuits, series resistor(s) employed limit peak currents seen during various lightning immunity tests. required safely interrupt current flow equipment during sustained power cross condition. overvoltage device, placed parallel, should limit divert transient overvoltages seen during power cross power induction condition. Upon sensing transient, overvoltage device will switch state" voltage. Current conduction will continue through overvoltage device until fuse interrupts circuit fault removed. order WICKMANN TCP-1A pass Part metallic surges operationally, following series resistor example calculations from Figure made.
(10x560µs Part Lightning Surges (10x560µs)
Total Loop Impedance: RTotal RSource RTip RRing (where RTip Ring): RTotal RSource 2RTip While many types WICKMANN time-lag time-delay fuses considered telecom line protection, recommend surface mountable Telecom Circuit Protector (TCP). been tested under telecommunications standards described herein. Product features include: Profile Chip Small Footprint Non-flammable Housing Auto-Insertable Surge Tolerant Voltage Drop Zero Leakage Current Generator Source Impedance: RSource RSource VSource ISource 800V 100A
Fuse Peak Surge Current: IPeak (10x560µs) Value from Data sheet IPeak (10x560µs) Amps Series Resistor Value(s): RTotal RTotal VSource IPeak (10x560µs) 800V (RTotal Source)
Protector Selection
Circuit analysis must examined determine proper resistor ratings successfully pass lightning waveforms. typical ring interface circuits shown below:
RTip RRing RTip RRing
Fused Line Interface
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Figure
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circuits corresponding Figure where only line fused, resistor value should doubled greater. Since internal impedances vary different applications, designer urged perform these transient overvoltage tests equipment prior submission agency approval. Please note that TCP-1.5A with Part surge current rating Amps will require additional series resistance. Recall that resistor's purpose limit peak currents prescribed lightning simulation tests. Please note that surge current capability overvoltage device must also checked series resistors eliminated from circuit. Overvoltage device manufacturers typically provide surge waveform test data their components required FCC, ITU, Bellcore. Contact WICKMANN other circuit design examples when compliance with Bellcore standards required. power supply battery charger applications telecommunications equipment, please refer following fuse types: 5x20mm, TR5®, TE5®, SMQ, Chip Fuses, Blade-type fuses.
Standards Agencies
Underwriters Laboratories, Inc. Pfingsten Road Northbrook, 60062 TEL: (708) 272-8800 FAX: (708) 272-8129 WEB: www.ul.com Federal Communication Commission 1919 Street Washington, 20554 TEL: (202) 418-0200 FAX: (202) 418-2825 WEB: www.fcc.gov Telcordia Technologies (Bellcore) Corporate Place Piscataway, 08854 TEL: (732) 699-5800 FAX: (732) 336-2559 WEB: www.telcordia.com International Telecommunications Union Place Nations CH-1211 Geneva Switzerland TEL: +41/ 5111 WEB: www.itu.ch
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ESETTABLE PPLICATION RESETTABLE FUSE APPLICATION NOTE
General Information
polymeric (positive temperature coefficient) overcurrent protector element placed series with device assembly protected. element protects circuit changing from low-resistance highresistance state response overcurrent. This function called "tripping" overcurrent protection device. element generally displays resistance much lower than electrical circuit protecting normally little influence normal performance circuit. response overcurrent condition, there sharp increase resistance (tripping) element, reducing current flow circuit value that safely sustained. Hold Current hold current (also known permissible continuous operating current; c20°C) highest steady-state current that resettable fuse will hold indefinite period time under specified ambient conditions without transitioning from high resistance state. hold current typically greater than normal operating current. Since these resettable fuses thermally activated, change ambient temperature will influence their performance. rise ambient temperature will decrease hold current well trip current. reduction ambient temperature will increase trip current well hold current.
Maximum Interrupt Current maximum interrupt current (better known "breaking" capacity; highest permissible fault current trip these resettable fuses safely under specified conditions. voltage drop across resettable fuse tripped state lower than rated voltage, then maximum interrupting current increased (see "Rated Voltage"). Voltage Rated Voltage rated voltage (VRated) maximum voltage drop across resettable fuse under typical fault conditions. many circuits, this close operating voltage protected circuit. Power Dissipation power dissipation power dissipated resettable fuse tripped state. power dissipation product current passing through element voltage drop tripped state. Initial Resistance initial resistance (RImin Imax) resistance resettable fuse under specified conditions (i.e. before connection into circuit. Time Trip Time trip time time-to-trip time required trip resettable fuse after onset fault current. trip time depends upon value fault current ambient conditions. Higher fault currents and/or higher ambient temperatures result shorter trip times. fault currents, example times hold current, most resettable fuses will trip slowly since there significant loss heat environment. This fact that substantial share power generated fuse retained, therefore does increase device temperature expected value (non-adiabatic trip event). Under these conditions, heat transfer environment will play significant role determining timeto-trip resettable fuse. Greater heat transfer will result longer trip times. high fault currents, example times hold current, trip time resettable fuse much lower because most power generated within fuse retained within components thus increases temperature (adiabatic trip event). Under these conditions, heat transfer environment less significant determining trip time. Since tripping dynamic event, difficult precisely anticipate change trip time, since change heat transfer coefficient often accompanied change thermal mass around resettable fuse. Under certain fault conditions resettable fuse will automatically reset return normal operation. Automatic resetting very useful applications where voltage varied during operation. Leakage Current When resettable fuse latched high resistance state, amount current allowed pass through just fraction fault current. This parameter referred leakage current.
Rated Hold Trip Current
Element will trip
hold current depending individual device resistance
(Trip) Element will trip protect circuit
(Hold) Element will remain resistance state
Ambient Temperature
Trip Derating Hold Trip Currents
Figure
heat transfer environment resettable fuse also influence operating characteristics. Generally, increasing heat transfer into surrounding environment following parameters will subsequently augmented: power dissipation that generated within resettable fuse time-to-trip resettable fuse (the impact will greater longer trip times where effect heat transfer more significant) hold current resettable fuse Trip Current trip current lowest current cause resettable fuse trip under specified conditions. Performance curves data sheets provided plotting trip fault current time-to-trip.
000801
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ESETTABLE PPLICATION RESETTABLE FUSE APPLICATION NOTE
UL's Conditions Acceptability
UL's Conditions Acceptability overcurrent protection devices include following statements: These fuses provide overcurrent protection have been evaluated safety applications where component needed limit current flow avoid harm equipment (i.e., risk fire, electric shock, even injury persons). These fuses have undergone 6000 cycle endurance tests (appropriate manual reset devices, since de-energizing required reset fuse). However, they designed applications where they routinely caused trip.
Selection Guide
Select resettable fuse considering maximum ambient temperature normal operating current protected circuit. Compare resettable fuse rated voltage maximum interrupt (fault) current with electrical circuit data ensure that these parameters exceed it's ratings. Check resettable fuse's trip time sure will protect electrical circuit acordance with time overcurrent requirements. Verify that ambient temperature circuit within resettable fuse's operating temperature range. Verify that resettable fuse dimensions space requirements application. Independently evaluate test suitability performance resettable fuse application.
000801
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FUSE KITS
Features
Ideal Prototypes Wide Range Ratings Quick Acting (F), Medium Time International Approvals Cartridge Types Leaded Types Holders included Cross Reference available Refillable
Fuse types contents
5x20mm 5x20mm 41571/IEC 60127-2 60127-2 250V Rated Current
100mA 125mA 160mA 200mA 250mA 315mA 400mA 500mA 630mA 800mA 1.00A 1.25A 1.60A 2.00A 2.50A 3.15A 4.00A 6.30A
5x20mm 60127-2 250V Rated Current
100mA 125mA 160mA 200mA 250mA 315mA 400mA 500mA 630mA 800mA 1.00A 1.25A 1.60A 2.00A 2.50A 3.15A 4.00A 6.30A
Content Details
109: 111: 112: 113: 116: 117: 118: 119: 120: Series Description fuses rating fuses rating fuses rating fuses rating/10 holders fuses rating/10 holders fuses rating/10 holders fuses rating/40 clips fuses rating/40 clips fuses rating/40 clips
Rated Current
100mA 125mA 160mA 200mA 250mA 315mA 400mA 500mA 630mA 800mA 1.00A 1.25A 1.60A 2.00A 2.50A 3.15A 4.00A 6.30A
TR5® 60127-3 250V Rated Current
Sockets 250mA 1.00A 1.25A 1.60A 2.00A 160mA 200mA 315mA 500mA 630mA 800mA 1.00A 1.60A 2.00A 2.50A 3.15A 4.00A
TR5® 248-14 250V Rated Current
Sockets 250mA 500mA 1.00A 1.25A 2.00A 2.50A 4.00A 6.30A 200mA 500mA 800mA 1.00A 1.60A 2.00A 3.00A 4.00A 5.00A
TE5® 248-14 125V Rated Current
Sockets 250mA 500mA 1.00A 1.25A 2.00A 2.50A 4.00A 6.30A 200mA 500mA 800mA 1.00A 1.60A 2.00A 3.15A 4.00A 5.00A
Order Information
WICKMANN Sales Dept. Fax: 662-219 (Europe) Fax: (404) 699-9176 (U.S.) Fax: +852 2615 9216 (Asia)
5x20mm 248-14 250V Rated Current
Clips 250mA 500mA 1.00A 1.25A 1.60A 2.00A 2.50A 3.00A
000801
5x20mm 60127-2 250V Rated Current
Clips 250mA 500mA 800mA 1.00A 1.25A 2.00A 2.50A 4.00A 6.30A 800mA 1.00A 1.60A 2.00A 3.15A 5.00A 6.30A 10.00A
5x20mm 60127-2 250V Rated Current
Clips 250mA 500mA 1.00A 2.00A 2.50A 3.15A 4.00A 6.30A
Company: Address:
3.50A 200mA 500mA 800mA 1.00A 1.60A 2.00A 3.00A 3.50A
10.00A 16.00A 1.00A 1.60A 2.00A 3.15A 5.00A 6.30A 10.00A
Shipping Address
Tel: Fax: E-mail:
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Asia Tel: +852 14-1108 E-mail: sales@wickmann.com.hk
INIATURE INIATURE FUSES
5x15mm Fuse 5x20mm Fuses 6.3x32mm Fuses Volt Fuses Volt Fuse
1930's. today, WICKMANN developed first 5x20mm cartridge fuses 1930's. Even today, 5x20mm design still worldwide standard preferred choice protector many consumer electronics applications. This category offers widest available range internationally Applications approved miniature fuses. Features
Power supplies Consumer electronics
Industrial control devices Household appliances Medical equipment Measuring instrumentation
Internationally standardized High current interruption capability Available with broad range time-current characteristics Visible failure indication Visible (glass only)
Benefits
Easily replaceable Worldwide approval status Economical protection Widely available
000801
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INIATURE MINIATURE FUSES
5x15mm
350V, 248-14, 350V,
Lighting Ballast Protection Time-Current Characteristic
Quick Acting
Specifications
Packaging
040: Axial leads Bulk (100 pcs.) 043: Axial leads Tape/Reel (1250 pcs.)
Standard
248-14 C22.2 248.14
Materials
Tube: Glass Caps: Nickel-plated brass Plug-on Caps: Silver-plated brass
Approvals
cULus Recognized: File 67006
Temperature Operating Temperature
(consider de-rating)
Features
Dimensions (mm)
0,65
Test Climatic Test
Damp heat, steady state days (IEC 60068-2-3)
Special design ballast controllers High breaking capacity Reduced space requirements Auto-insertable from tape
Stock Conditions
relative humidity yearly average, without dew, maximum value days-95%
WebLinks
Data Sheet
max.
Vibration Resistance
cycles min. each (IEC 60068-2-6) 60Hz 0.75mm amplitude 2000Hz acceleration
Approval Certificates
www.wickmann.com/approvals
Time-Current Curve
www.wickmann.com/itcurves
Solderability
sec. (IEC 60068-2-20)
FaxBack Document
Soldering Heat Resistance
sec. (IEC 60068-2-20)
Marking
Current Rating, 350VAC,
Unit Weight
1.5g (approx.)
Limits Pre-arcing Time
Rated Current
3.00A
IRated
1.35 IRated
IRated
Permissible continuous operating current ambient temperature Rated Voltage Breaking Voltage Drop Power Dissipation Melting Integral Current Code Rating Capacity IRated IRated IRated max. (mV) max. max. (A2s)
3.00A 1300 350V 100A 350VAC 1.71
Alternate breaking capacities: 100A 250VAC 50-60Hz 0.7-0.8 10kA 125VAC 50-60Hz 0.7-0.8
Approvals
cURus
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OrderNumber
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INIATURE MINIATURE FUSES
5x15mm
Time (sec.)
000801
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INIATURE MINIATURE FUSES
5x20mm
250V, 248-14, 250V,
Time-Current Characteristic
Quick Acting
Specifications
Packaging
000: 002: 040: 043: Bulk (1000 pcs.) Bulk pcs.) Axial Leads Bulk (1000 pcs.) Axial Leads Tape/Reel (1250 pcs.) Glass Nickel-plated brass Silver-plated caps Tin-plated copper wires
Standard
248-14 C22.2 248.14
Approvals
Listed: File 67006 Listed: File 67006
Materials
Tube: Caps: Axial Leads:
Features
Dimensions (mm)
Visual fault indication Direct solderable plug-in versions Internationally approved Worldwide availability
Temperature Operating Temperature
(consider de-rating)
Climatic Category
days 60068-1.3)
WebLinks
0,65 +0.04 -0.01 +0,5 103,5 max.
Stock Conditions
relative humidity yearly average, without dew, maximum value days-95%
Data Sheet
Approval Certificates
www.wickmann.com/approvals
Vibration Resistance
cycles min. each 60068-6) 60Hz 0.75mm amplitude 2000Hz acceleration
Time-Current Curve
www.wickmann.com/itcurves
Packaging
www.wickmann.com/pack
Solderability
sec. (Wave) sec. (Hand)
FaxBack Document
Soldering Heat Resistance
sec. (IEC 60068-2-20)
Marking
Current Rating, 250VAC, 191, Approvals
Limits Pre-arcing Time
Rated Current
250mA 7.00A
Unit Weight IRated
1.0g (approx.) 1.9g (with leads)
1.35 IRated IRated
120s
Permissible continuous operating current ambient temperature Rated Voltage Breaking Voltage Drop Power Dissipation Melting Integral Current Code Rating Capacity IRated IRated IRated max. (mV) max. max. (A2s)
250mA 300mA 350mA 400mA 500mA 600mA 700mA 800mA 1.00A 1.25A 1.60A 2.00A 2.50A 3.00A 3.50A 4.00A 5.00A 6.00A 7.00A 0250 0300 0350 0400 0500 0600 0700 0800 1100 1125 1160 1200 1250 1300 1350 1400 1500 1600 1700 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 125V 125V 125V 125V 0.024 0.047 0.081 0.11 0.24 0.38 0.54
Approvals
250VAC 10kA 125VAC 50-60Hz 0.7-0.8
100A 250VAC 10kA 125VAC 50-60Hz 0.7-0.8 10kA 125VAC 50-60Hz 0.7-0.8
Order Information
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INIATURE MINIATURE FUSES
5x20mm
Time (sec.)
000801
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INIATURE MINIATURE FUSES
5x20mm
250V, 248-14, 250V,
Time-Current Characteristic
Medium Time
Specifications
Packaging
000: Bulk (1000 pcs.) 040: Axial Leads Bulk (1000 pcs.) 043: Axial Leads Tape/Reel (1250 pcs.)
Standard
248-14 C22.2 248.14
Materials
Tube: Caps: Axial Leads: Glass Nickel-plated brass Silver-plated caps Tin-plated copper wires
Approvals
Listed: File 67006 Listed: File 67006
Features
Dimensions (mm)
Visual fault indication Direct solderable plug-in versions Internationally approved Worldwide availability
Temperature Operating Temperature
(consider de-rating)
Climatic Category
days 60068-1.3)
Stock Conditions
relative humidity yearly average, without dew, maximum value days-95%
WebLinks
0,65 +0.04 -0.01 +0,5 103,5 max.
Data Sheet
Approval Certificates
www.wickmann.com/approvals
Vibration Resistance
cycles min. each 60068-6) 60Hz 0.75mm amplitude 2000Hz acceleration
Time-Current Curve
www.wickmann.com/itcurves
Solderability
sec. (Wave) sec. (Hand)
Packaging
www.wickmann.com/pack
FaxBack Document
Soldering Heat Resistance
sec. (IEC 60068-2-20)
Marking
Current Rating, 250VAC, 197, Approvals
Unit Weight
Limits Pre-arcing Time
Rated Current
250mA 7.00A
1.0g (approx.) 1.9g (with leads) 120s
1.35 IRated IRated
Permissible continuous operating current ambient temperature Rated Voltage Breaking Voltage Drop Power Dissipation Melting Integral Current Code Rating Capacity IRated IRated IRated max. (mV) max. typ. (A2s)
250mA 300mA 350mA 400mA 500mA 600mA 700mA 800mA 1.00A 1.25A 1.60A 2.00A 2.50A 3.00A 3.50A 4.00A 5.00A 6.00A 7.00A 0250 0300 0350 0400 0500 0600 0700 0800 1100 1125 1160 1200 1250 1300 1350 1400 1500 1600 1700 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 125V 125V 125V 125V 0.019 0.038 0.065 0.092 0.19 0.31 0.43 0.48
Approvals
250VAC 10kA 125VAC 50-60Hz 0.7-0.8
100A 250VAC 10kA 125VAC 50-60Hz 0.7-0.8 10kA 125VAC 50-60Hz 0.7-0.8
Order Information
000801
Qty.
OrderNumber
Series
Code
Packaging
WebSite: www.wickmann.com FaxBack: (404) 699-6176
Europe Tel: (2302) 662-107 Americas Tel: (404) 699-7820 Asia Tel: +852 14-1108 E-mail: sales@wickmann.com E-mail: service@wickmannusa.com E-mail: sales@wickmann.com.hk
INIATURE MINIATURE FUSES
5x20mm
Time (sec.)
000801
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ristic
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Fault Rated
Contact WICKMANN individual curves
Europe Tel: (2302) 662-107 Americas Tel: (404) 699-7820 Asia Tel: +852 14-1108 E-mail: sales@wickmann.com E-mail: service@wickmannusa.com E-mail: sales@wickmann.com.hk
INIATURE MINIATURE FUSES
5x20mm
250V, 248-14, 250V,
Time-Current Characteristic
Time Delay
Specifications
Packaging
000: 002: 040: 043: Bulk (1000 pcs.) Bulk pcs.) Axial Leads Bulk (1000 pcs.) Axial Leads Tape/Reel (1250 pcs.) Glass Nickel-plated brass Silver-plated caps Tin-plated copper wires
Standard
248-14 C22.2 248.14
Approvals
Listed: File 67006 Certified: File 51378-37
Materials
Tube: Caps: Axial Leads:
Features
Dimensions (mm)
Visual fault indication Direct solderable plug-in versions Internationally approved Worldwide availability
Temperature Operating Temperature
(consider de-rating)
Climatic Category
days 60068-1.3)
WebLinks
0,65 +0.04 -0.01 +0,5 103,5 max.
Stock Conditions
relative humidity yearly average, without dew, maximum value days-95%
Data Sheet
Approval Certificates
www.wickmann.com/approvals
Vibration Resistance
cycles min. each 60068-6) 60Hz 0.75mm amplitude 2000Hz acceleration
Time-Current Curve
www.wickmann.com/itcurves
Packaging
www.wickmann.com/pack
Solderability
sec. (Wave) sec. (Hand)
FaxBack Document
Soldering Heat Resistance
sec. (IEC 60068-2-20)
Marking
Current Rating, 250VAC, 198, Approvals
Limits Pre-arcing Time
Rated Current
80mA 3.00A 3.50A
Unit Weight
120s 120s 1.1g (approx.) 2.0g (with leads)
1.35 IRated IRated
Permissible continuous operating current ambient temperature Rated Voltage Breaking Voltage Drop Power DissipationMelting Integral Current Code Rating Capacity IRated IRated IRated max. (mV) max. min. (A2s)
80mA 100mA 125mA 150mA 200mA 250mA 300mA 400mA 500mA 600mA 700mA 800mA 1.00A 1.25A 1.60A 2.00A 2.50A 3.00A 3.50A 0080 0100 0125 0150 0200 0250 0300 0400 0500 0600 0700 0800 1100 1125 1160 1200 1250 1300 1350 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 2800 2400 2100 1800 1300 1100 1050 0.019 0.038 0.066 0.10 0.18 0.29
Approvals
250VAC 10kA 125VAC 50-60Hz 0.7-0.8
100A 250VAC 10kA 125VAC 50-60Hz 0.7-0.8
Order Information
000801
Qty.
OrderNumber
Series
Code
Packaging
WebSite: www.wickmann.com FaxBack: (404) 699-6176
Europe Tel: (2302) 662-107 Americas Tel: (404) 699-7820 Asia Tel: +852 14-1108 E-mail: sales@wickmann.com E-mail: service@wickmannusa.com E-mail: sales@wickmann.com.hk
INIATURE MINIATURE FUSES
5x20mm
Time (sec.)
000801
WebSite: www.wickmann.com FaxBack: (404) 699-6176
ristic
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(3.5
Fault Rated
Contact WICKMANN individual curves
Europe Tel: (2302) 662-107 Americas Tel: (404) 699-7820 Asia Tel: +852 14-1108 E-mail: sales@wickmann.com E-mail: service@wickmannusa.com E-mail: sales@wickmann.com.hk
INIATURE MINIATURE FUSES
5x20mm
250V, 60127-2/II, 250V,
Time-Current Characteristic
Quick Acting
Specifications
Packaging
000: 002: 040: 043: Bulk (1000 pcs.) Bulk pcs.) Axial Leads Bulk (1000 pcs.) Axial Leads Tape/Reel (1250 pcs.) Glass Nickel-plated brass Silver-plated caps Tin-plated copper wires
Standard
60127-2/II 41661
Approvals
VDE: License 115271/87867 SEMKO: Certificate 9847165 cULus Recognized: File 67006
Materials
Tube: Caps: Axial Leads:
Features
Dimensions (mm)
Visual fault indication Direct solderable plug-in versions Internationally approved Worldwide availability
Temperature Operating Temperature
(consider de-rating)
Climatic Category
days 60068-1.3)
Stock Conditions
relative humidity yearly average, without dew, maximum value days-95%
0,65 +0.04 -0.01 +0,5 103,5 max.
WebLinks
Data Sheet
Approval Certificates
www.wickmann.com/approvals
Vibration Resistance
cycles min. each 60068-6) 60Hz 0.75mm amplitude 2000Hz acceleration
Time-Current Curve
www.wickmann.com/itcurves
Solderability
sec. (Wave) sec. (Hand)
Packaging
www.wickmann.com/pack
FaxBack Document
Soldering Heat Resistance
sec. (IEC 60068-2-20)
Marking
Current Rating, 250V, Approvals
Limits Pre-arcing Time
Rated Current
32mA 100mA 125mA 6.30A
Unit Weight IRated
IRated
2.75 IRated
IRated
IRated
<20ms <20ms
1.0g (approx.) 1.9g (with leads)
10ms 500ms 100ms 50ms 10ms 300ms
32mA 40mA 50mA 63mA 80mA 100mA 125mA 160mA 200mA 250mA 315mA 400mA 500mA 630mA 800mA 1.00A 1.25A 1.60A 2.00A 2.50A 3.15A 4.00A 5.00A 6.30A
60127-2 values
0032 0040 0050 0063 0080 0100 0125 0160 0200 0250 0315 0400 0500 0630 0800 1100 1125 1160 1200 1250 1315 1400 1500 1630
250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V
10000 8000 7000 5000 3300 2600 2000 2000 250VAC 50-60Hz 40A/250VAC/cos =1.0 50A/250VAC/cos =1.0 63A/250VAC/cos =1.0
0.0020 0.0032 0.0050 0.0079 0.0032 0.007 0.014 0.024 0.018 0.032 0.062 0.13 0.23 0.44
Order Information
000801
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OrderNumber
Series
Code
Packaging
WebSite: www.wickmann.com FaxBack: (404) 699-6176
Europe Tel: (2302) 662-107 Americas Tel: (404) 699-7820 Asia Tel: +852 14-1108 E-mail: sales@wickmann.com E-mail: service@wickmannusa.com E-mail: sales@wickmann.com.hk
cURus
SEMKO
100% Permissible continuous operating current 100% ambient temperature Rated Voltage Breaking Voltage Drop Power Dissipation Melting Integral Current Code Rating Capacity IRated IRated IRated max. (mV) max. max. (A2s)
Approvals
INIATURE MINIATURE FUSES
5x20mm
Time (sec.)
000801
WebSite: www.wickmann.com FaxBack: (404) 699-6176
ristic
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Fault Rated
Contact WICKMANN individual curves
Europe Tel: (2302) 662-107 Americas Tel: (404) 699-7820 Asia Tel: +852 14-1108 E-mail: sales@wickmann.com E-mail: service@wickmannusa.com E-mail: sales@wickmann.com.hk
INIATURE MINIATURE FUSES
5x20mm
250V, 60127-2/III, 250V,
Time-Current Characteristic
Time
Specifications
Packaging
000: 002: 040: 043: Bulk (1000 pcs.) Bulk pcs.) Axial Leads Bulk (1000 pcs.) Axial Leads Tape/Reel (1250 pcs.) Glass Nickel-plated brass Silver-plated caps Tin-plated copper wires (not available above
Standard
60127-2/III 41662
Approvals
VDE: License 97122/100856 SEMKO: Certificate 9739088/9732005 cULus Recognized: File 67006 BSI: License 7850/KM 37421 IMQ: Certificate E3267/EN297 CCEE: Cert. CH0026528-98/CH0035865-99 MITI: File 32-1928
Materials
Tube: Caps: Axial Leads:
Operating Temperature Temperature
(consider de-rating)
Dimensions (mm)
Features
Visual fault indication Direct solderable plug-in versions Internationally approved Worldwide availability
Climatic Category
days 60068-1.3)
Stock Conditions
relative humidity yearly average, without dew, maximum value days-95%
0,65 +0.04 -0.01 +0,5 103,5 max.
WebLinks
Data Sheet
Vibration Resistance
cycles min. each 60068-6) 60Hz 0.75mm amplitude 2000Hz acceleration
Approval Certificates
www.wickmann.com/approvals
Time-Current Curve
www.wickmann.com/itcurves
Solderability
sec. (Wave) sec. (Hand) sec. (IEC 60068-2-20)
Packaging
www.wickmann.com/pack
Soldering Heat Resistance Marking
Current Rating, 250V, Approvals
Limits Pre-arcing Time
Rated Current
32mA 100mA 125mA 6.30A 8.00A 12.50A
Unit Weight IRated
IRated
30min
2.75 IRated
200ms .10s 600ms .10s
IRated
IRated
1.1g (approx.) 2.1g (with leads)
40ms 10ms 300ms 150ms 20ms 300ms -20ms 300ms
100% Permissible continuous operating current 100% ambient temperature Rated Voltage Breaking Voltage Drop Power Dissipation Melting Integral Current Code Rating Capacity IRated IRated IRated max. (mV) max. min. (A2s)
32mA 40mA 50mA 63mA 80mA 100mA 125mA 160mA 200mA 250mA 315mA 400mA 500mA 630mA 800mA 1.00A 1.25A 1.60A 2.00A 2.50A 3.15A 4.00A 5.00A 6.30A 8.00A 10.00A 12.50A 0032 0040 0050 0063 0080 0100 0125 0160 0200 0250 0315 0400 0500 0630 0800 1100 1125 1160 1200 1250 1315 1400 1500 1630 1800 2100 2125 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 2500 1600 1500 1300 1100 1000 0.010 0.011 0.020 0.026 0.052 0.073 0.13 0.22 0.30 0.32
Approvals
SEMKO cURus CCEE MITI
250VAC 50-60Hz
40A/250VAC/cos 50A/250VAC/cos 63A/250VAC/cos 63A/250VAC/cos 63A/250VAC/cos 63A/250VAC/cos
Depending application mounting, fuse heating max. ambient temperature closed fuseholder should considered. Please specify MITI CCEE required when ordering.
Order Information
000901
Qty.
OrderNumber
Series
Code
Packaging
WebSite: www.wickmann.com FaxBack: (404) 699-6176
Europe Tel: (2302) 662-107 Americas Tel: (404) 699-7820 Asia Tel: +852 14-1108 E-mail: sales@wickmann.com E-mail: service@wickmannusa.com E-mail: sales@wickmann.com.hk
INIATURE INIATURE FUSES
5x20mm
Time (sec.)
000901
WebSite: www.wickmann.com FaxBack: (404) 699-6176
haracte ristic
in-M
/III
Fault Rated
Contact WICKMANN individual curves
Europe Tel: (2302) 662-107 Americas Tel: (404) 699-7820 Asia Tel: +852 14-1108 E-mail: sales@wickmann.com E-mail: service@wickmannusa.com E-mail: sales@wickmann.com.hk
INIATURE INIATURE FUSES
5x20mm
250V, 60127-2/I, 250V,
Time-Current Characteristic
Quick Acting
Specifications
Packaging
000: 002: 040: 043: Bulk (1000 pcs.) Bulk pcs.) Axial Leads Bulk (1000 pcs.) Axial Leads Tape/Reel (1250 pcs.) Ceramic Nickel-plated brass Silver-plated caps Tin-plated copper wires
Standard
60127-2/I 41660
Approvals
VDE: License 115270/97123 SEMKO: Certificate 9841086 cULus Recognized: File 67006
Materials
Tube: Caps: Axial Leads:
Features
Dimensions (mm)
High breaking capacity Direct solderable plug-in versions Internationally approved Worldwide availability
Temperature Operating Temperature
(consider de-rating)
Climatic Category
days 60068-1.3)
Stock Conditions
relative humidity yearly average, without dew, maximum value days-95%
0,65 +0.04 -0.01 +0,5 103,5 max.
WebLinks
Data Sheet
Approval Certificates
www.wickmann.com/approvals
Vibration Resistance
cycles min. each 60068-6) 60Hz 0.75mm amplitude 2000Hz acceleration
Time-Current Curve
www.wickmann.com/itcurves
Solderability
sec. (Wave) sec. (Hand)
Packaging
www.wickmann.com/pack
Soldering Heat Resistance
sec. (IEC 60068-2-20)
Marking
Limits Pre-arcing Time
Rated Current
200mA 3.15A 4.00A 6.30A 8.00A 10.00A
Current Rating, 250V, Approvals
IRated
30min
IRated
2.75 IRated
IRated
IRated
<20ms <20ms <20ms
Unit Weight
1.2g (approx.) 2.2g (with leads)
10ms 300ms 10ms 300ms 10ms 300ms
SEMKO
200mA 250mA 315mA 400mA 500mA 630mA 800mA 1.00A 1.25A 1.60A 2.00A 2.50A 3.15A 4.00A 5.00A 6.30A 8.00A 10.00A
0200 0250 0315 0400 0500 0630 0800 1100 1125 1160 1200 1250 1315 1400 1500 1630 1800 2100
250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V
1500A 250VAC 50-60Hz 0.7-0.8
3500 1000
0.007 0.013 0.015 0.027 0.041 0.075 0.12 0.29
Axial leads available below above mentioned fuse standards.
Order Information
010718
Qty.
OrderNumber
Series
Code
Packaging
WebSite: www.wickmann.com
Europe Tel: (2302) 662-107 E-mail: sales@wickmann.com
Americas Tel: (404) 699-7820 E-mail: service@wickmannusa.com
Asia Tel: +852 14-1108 E-mail: sales@wickmann.com.hk
cURus
100% Permissible continuous operating current 100% ambient temperature Rated Voltage Breaking Voltage Drop Power Dissipation Melting Integral Current Code Rating Capacity IRated IRated IRated max. (mV) max. max. (A2s)
Approvals
INIATURE MINIATURE FUSES
5x20mm
Time (sec.)
010718
WebSite: www.wickmann.com
haracte ristic
in-M
-2/I -2/I
Fault IRated
Contact WICKMANN individual curves
Europe Tel: (2302) 662-107 E-mail: sales@wickmann.com
Americas Tel: (404) 699-7820 E-mail: service@wickmannusa.com
Asia Tel: +852 14-1108 E-mail: sales@wickmann.com.hk
INIATURE MINIATURE FUSES
5x20mm
60127-2/V, 250V, 60127-2/V, 250V,
Time-Current Characteristic
Time
Specifications
Packaging
000: 002: 040: 043: Bulk (1000 pcs.) Bulk pcs.) Axial Leads Bulk (1000 pcs.) Axial Leads Tape/Reel (1250 pcs.) Ceramic Nickel-plated brass Silver-plated caps Tin-plated copper wires (not available above
Standard
60127-2/V
Approvals
VDE: License 97297/107838/102453 SEMKO: Certificate 9847163 cULus Recognized: File 67006 BSI: License 7850/37421 IMQ: Certificate EA262/EN298 SEV: Certificate 9477082800 MITI: File 32-1890 CCEE: Certificate CH0026526-98/CH0035863-99
Materials
Tube: Caps: Axial Leads:
Temperature Operating Temperature
(consider de-rating)
Dimensions (mm)
Features
High breaking capacity Direct solderable plug-in versions Internationally approved Worldwide availability
Climatic Category
days 60068-1.3)
Stock Conditions
relative humidity yearly average, without dew, maximum value days-95%
0,65 +0.04 -0.01 +0,5 103,5 max.
WebLinks
Data Sheet
ibration Resistance
cycles min. each 60068-6) 60Hz 0.75mm amplitude 2000Hz acceleration
Approval Certificates
www.wickmann.com/approvals
Solderability
sec. (Wave) sec. (Hand)
Time-Current Curve
www.wickmann.com/itcurves
Packaging
www.wickmann.com/pack
Soldering Heat Resistance
sec. (IEC 60068-2-20)
Marking
Current Rating, 250V, Approvals
Time Limits Pre-arcing Time
Rated Current IRated IRated
Weight Unit Weight 2.75 IRated
IRated
IRated
1.2g (approx.) 2.2g (with leads)
800mA/8 1.00A 3.15A 4.00mA 6.30A
60ms 10ms 100ms 95ms 10ms 100ms 150ms 20ms 100ms
SEMKO
cURus
METI
125mA 160mA 200mA 250mA 315mA 400mA 500mA 630mA 800mA 1.00A 1.25A 1.60A 2.00A 2.50A 3.15A 4.00A 5.00A 6.30A 8.00A 10.00A
0125 0160 0200 0250 0315 0400 0500 0630 0800 1100 1125 1160 1200 1250 1315 1400 1500 1630 1800 2100
250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V
1500A 250VAC 50-60Hz 0.7-0.8
1000A/250VAC/cos 1000A/250VAC/cos
2000 1550 1300 1000
0.025 0.035 0.084 0.11 0.19 0.34 0.56 0.77
mentioned 60127 (125mA 800mA, 8A-10A)
Depending application mounting, fuse heating max. ambient temperature closed fuseholder should considered. Please specify MITI CCEE required when ordering.
Order Information
020118
Qty. Qty.
OrderOrderNumber
Series
Code
Packaging
Specifications subject change without notice Asia Tel: +852 14-1108 E-mail: sales@wickmann.com.hk
WebSite: www.wickmann.com
Europe Tel: (2302) 662-107 E-mail: sales@wickmann.com
Americas Tel: (404) 699-7820 E-mail: service@wickmannusa.com
CCEE
100% Permissible continuous operating current 100% ambient temperature Rated Voltage Breaking Voltage Drop Power Dissipation Melting Integral IRated IRated Current Code Rating Capacity IRated max. (mV) max. min. (A2s)
Approvals
INIATURE MINIATURE FUSES
5x20mm/ 5x20mm
Time (sec.)
WebSite: www.wickmann.com
020118
haracte ristic
in-M
Fault IRated
Contact WICKMANN individual curves
Europe Tel: (2302) 662-107 E-mail: sales@wickmann.com
Americas Tel: (404) 699-7820 E-mail: service@wickmannusa.com
Asia Tel: +852 14-1108 E-mail: sales@wickmann.com.hk
INIATURE INIATURE FUSES
5x20mm
250V, 60127-2/VI, 250V,
Time-Current Characteristic
Time
Specifications
Packaging
000: Bulk (1000 pcs.) 040: Axial Leads Bulk (1000 pcs.) 043: Axial Leads Tape/Reel (1250 pcs.)
Standard
60127-2/VI
Approvals
VDE: License 101050/101051 SEMKO: Certificate 9943417 BSI: License 7850/KM 37421 cULus Recognized: File 67006
Materials
Tube: Caps: Axial Leads: Glass Nickel-plated brass Silver-plated caps Tin-plated copper wires
Features
Dimensions (mm)
Enhanced breaking capacity Visual fault indication Direct solderable plug-in versions Internationally approved Worldwide availability
Temperature Operating Temperature
(consider de-rating)
Climatic Category
days 60068-1.3)
Stock Conditions
relative humidity yearly average, without dew, maximum value days-95%
0,65 +0.04 -0.01 +0,5 103,5 max.
WebLinks
Data Sheet
Vibration Resistance
cycles min. each 60068-6) 60Hz 0.75mm amplitude 2000Hz acceleration
Approval Certificates
www.wickmann.com/approvals
Time-Current Curve
www.wickmann.com/itcurves
Solderability
sec. (Wave) sec. (Hand) sec. (IEC 60068-2-20)
Packaging
www.wickmann.com/pack
Soldering Heat Resistance Marking
Current Rating, 250V, Approvals
FaxBack Document
Unit Weight
Limits Pre-arcing Time
Rated Current
32mA 100mA 125mA 6.30A
1.1g (approx.) 2.1g (with leads)
IRated
IRated
2.75 IRated
200ms .10s 600ms .10s
IRated
IRated
40ms 10ms 300ms 150ms 20ms 300ms
100% Permissible continuous operating current 100% ambient temperature Rated Voltage Breaking Voltage Drop Power Dissipation Melting Integral Current Code Rating Capacity IRated IRated IRated max. (mV) max. min. (A2s)
32mA 40mA 50mA 63mA 80mA 100mA 125mA 160mA 200mA 250mA 315mA 400mA 500mA 630mA 800mA 1.00A 1.25A 1.60A 2.00A 2.50A 3.15A 4.00A 5.00A 6.30A 0032 0040 0050 0063 0080 0100 0125 0160 0200 0250 0315 0400 0500 0630 0800 1100 1125 1160 1200 1250 1315 1400 1500 1630 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 2500 1600 1500 1300 1100 1000 0.010 0.011 0.019 0.035 0.055 0.075 0.13 0.24 0.30 0.33
Approvals
SEMKO cURus
150A 250VAC 50-60Hz
Order Information
000901
Qty.
OrderNumber
Series
Code
Packaging
WebSite: www.wickmann.com FaxBack: (404) 699-6176
Europe Tel: (2302) 662-107 Americas Tel: (404) 699-7820 Asia Tel: +852 14-1108 E-mail: sales@wickmann.com E-mail: service@wickmannusa.com E-mail: sales@wickmann.com.hk
INIATURE MINIATURE FUSES
5x20mm
Time (sec.)
000901
WebSite: www.wickmann.com FaxBack: (404) 699-6176
haracte ristic
in-M
Fault IRated
Contact WICKMANN individual curves
Europe Tel: (2302) 662-107 Americas Tel: (404) 699-7820 Asia Tel: +852 14-1108 E-mail: sales@wickmann.com E-mail: service@wickmannusa.com E-mail: sales@wickmann.com.hk
INIATURE MINIATURE FUSES
5x20mm
T.2, 250V, 41571, T.2, 250V,
Time-Current Characteristic
Medium Time
Specifications
Packaging
000: 002: 040: 043: Bulk (1000 pcs.) Bulk pcs.) Axial Leads Bulk (1000 pcs.) Axial Leads Tape/Reel (1250 pcs.) Glass Nickel-plated brass Silver-plated caps Tin-plated copper wires
Standard
41571,
Approvals
None
Materials
Tube: Caps: Axial Leads:
Features
Visual fault indication Direct solderable plug-in versions Worldwide availability
Temperature Operating Temperature
(consider de-rating)
WebLinks
Dimensions (mm)
Data Sheet
Climatic Category
days 60068-1.3)
Stock Conditions
relative humidity yearly average, without dew, maximum value days-95%
Time-Current Curve
0,65 +0.04 -0.01 +0,5 103,5 max.
www.wickmann.com/itcurves
Packaging
www.wickmann.com/pack
Vibration Resistance
cycles min. each 60068-6) 60Hz 0.75mm amplitude 2000Hz acceleration
FaxBack Document
Solderability
sec. (Wave) sec. (Hand) sec. (IEC 68-2-20)
Soldering Heat Resistance Marking
Current Rating, 250V,
Unit Weight
Limits Pre-arcing Time
Rated Current
32mA 1.25A
IRated
IRated
IRated
40ms
IRated
90ms
1.1g (approx.) 2.1g (with leads)
100% Permissible continuous operating current 100% ambient temperature Rated Voltage Breaking Voltage Drop Power Dissipation Melting Integral Current Code Rating Capacity IRated IRated IRated max. (mV) max. min. (A2s)
32mA 50mA 63mA 80mA 100mA 125mA 160mA 200mA 250mA 315mA 400mA 500mA 630mA 800mA 1.00A 1.25A 0032 0050 0063 0080 0100 0125 0160 0200 0250 0315 0400 0500 0630 0800 1100 1125 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 0.005 0.009 0.011 0.017 0.022 0.033 0.085 0.12 0.13 0.16 0.28 0.35
Approvals
250VAC 50-60Hz
None
higher current ratings, 181.
Order Information
000801
Qty.
OrderNumber
Series
Code
Packaging
WebSite: www.wickmann.com FaxBack: (404) 699-6176
Europe Tel: (2302) 662-107 Americas Tel: (404) 699-7820 Asia Tel: +852 14-1108 E-mail: sales@wickmann.com E-mail: service@wickmannusa.com E-mail: sales@wickmann.com.hk
INIATURE INIATURE FUSES
5x20mm
Time (sec.)
000801
WebSite: www.wickmann.com FaxBack: (404) 699-6176
haracte ristic
in-M
Fault IRated
Contact WICKMANN individual curves
Europe Tel: (2302) 662-107 Americas Tel: (404) 699-7820 Asia Tel: +852 14-1108 E-mail: sales@wickmann.com E-mail: service@wickmannusa.com E-mail: sales@wickmann.com.hk
INIATURE MINIATURE FUSES
5x20mm
250V, 60127-2/III, 250V,
Time-Current Characteristic
Time
Specifications
Packaging
000: Bulk (1000 pcs.)
Standard
60127-2/III
Materials
Tube: Caps: Glass Nickel-plated brass
Approvals
CCEE: Certificate CH0035862-99
Temperature Operating Temperature
(consider de-rating)
Features
Visual fault indication Great Wall approved Worldwide availability Pluggable into clips shocksafe holders
Climatic Category
days 60068-1.3)
Stock Conditions
relative humidity yearly average, without dew, maximum value days-95%
Dimensions (mm)
WebLinks
Data Sheet
Vibration Resistance
cycles min. each 60068-6) 60Hz 0.75mm amplitude 2000Hz acceleration
Approval Certificates
www.wickmann.com/approvals
Solderability
sec. (Wave) sec. (Hand) sec. (IEC 60068-2-20)
Soldering Heat Resistance Marking
Current Rating, 250V, Approvals
Unit Weight
1.1g (approx.)
Limits Pre-arcing Time
Rated Current
32mA 100mA 125mA 6.30A
IRated
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