1N4460US 1N4496US 1N6485US 1N6491US

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1N4460US 1N4496US 1N6485US 1N6491US

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1N4460US thru 1N4496US 1N6485US thru 1N6491US
VOIDLESS-HERMETICALLY-SEALED SURFACE MOUNT WATT GLASS ZENER DIODES
APPEARANCE
DESCRIPTION
This surface mount Zener Voltage Regulator series military qualified MILPRF-19500/406 ideal high-reliability applications where failure cannot tolerated. These industry-recognized Watt Zener Voltage Regulators hermetically sealed with voidless-glass construction using internal metallurgical bond. includes Zener selections from volts standard tolerances well tighter tolerances identified different suffix letters part number. They also available axial-leaded packages (see separate data sheet 1N4460 thru 1N4496 1N6485 thru 1N6491). Microsemi also offers numerous other Zener products meet higher lower power ratings both thru-hole surface mount packages.
IMPORTANT: most current data, consult MICROSEMI's website: http://www.microsemi.com
Microsemi
Package "D-5A")
FEATURES
Popular JEDEC registered series Voidless hermetically sealed glass package Triple-layer passivation Internal "Category Metallurgical bonds 1N4462US thru 1N4496US "Category III" 1N6485US thru 1N6491US well 1N4460US 1N4461US JAN, JANTX, JANTXV, JANS available MILPRF-19500/406 Axial-leaded equivalents also available (see separate data sheet 1N4460 thru 1N4496 1N6485 thru 1N6491)
APPLICATIONS BENEFITS
Regulates voltage over broad operating current temperature range Extensive selection from Standard voltage tolerances plus/minus with suffix Tight tolerances available plus minus with suffix respectively Extremely robust construction Nonsensitive MIL-STD-750 Method 1020 Inherently radiation hard described Microsemi MicroNote
MAXIMUM RATINGS
Operating Temperature: +175 Storage Temperature: -65oC +200oC. Power Dissipation: Watts 145oC Thermal Resistance: junction Thermal Impedance 4.5oC/W (1N4462US thru 1N4496US) 7.5oC/W (1N6485US thru 1N6491US well 1N4460US 1N4461US) Forward Voltage: 1.00
MECHANICAL PACKAGING
CASE: Hermetically sealed voidless hard glass with Tungsten slugs TERMINATIONS: caps Copper with Tin/Lead (Sn/Pb) finish. Note: Previous inventory solid Silver caps with Tin/Lead (Sn/Pb) finish. MARKING: Polarity band only POLARITY: Cathode indicated band Tape Reel option: Standard EIA-481-B Weight:
ELECTRICAL CHARACTERISTICS 25oC 1N4460US thru 1N4496US 1N6485US thru 1N6491US
TYPE NOMINAL TEST ZENER CURRENT VOLTAGE VOLTS 76.0 69.0 64.0 58.0 53.0 49.0 45.0 MAXIMUM DYNAMIC IMPEDANCE OHMS MAXIMUM KNEE IMPEDANCE OHMS MAXIMUM REVERSE CURRENT VOLTS MAXIMUM CONTINUOUS CURRENT SURGE CURRENT
wave IZSM
1N6485US 1N6486US 1N6487US 1N6488US 1N6489US 1N6490US 1N6491US
AMPS
Copyright 2010 3-29-2010 SD43A.pdf
Microsemi
Page
Scottsdale Division 8700 Thomas 1390, Scottsdale, 85252 USA, (480) 941-6300, Fax: (480) 947-1503
1N4460US thru 1N4496US 1N6485US thru 1N6491US
VOIDLESS-HERMETICALLY-SEALED SURFACE MOUNT WATT GLASS ZENER DIODES
Microsemi
TYPE
1N4460US 1N4461US 1N4462US 1N4463US 1N4464US 1N4465US 1N4466US 1N4467US 1N4468US 1N4469US 1N4470US 1N4471US 1N4472US 1N4473US 1N4474US 1N4475US 1N4476US 1N4477US 1N4478US 1N4479US 1N4480US 1N4481US 1N4482US 1N4483US 1N4484US 1N4485US 1N4486US 1N4487US 1N4488US 1N4489US 1N4490US 1N4491US 1N4492US 1N4493US 1N4494US 1N4495US 1N4496US
NOMINAL TEST ZENER CURRENT VOLTAGE VOLTS 40.0 37.0 34.0 31.0 28.0 25.0 10.0 23.0 11.0 21.0 12.0 19.0 13.0 17.0 15.0 15.5 16.0 14.0 18.0 12.5 20.0 11.5 22.0 10.5 24.0 27.0 30.0 33.0 36.0 39.0 43.0 47.0 51.0 56.0 62.0 68.0 75.0 82.0 91.0 100.0 110.0 120.0 130.0 150.0 160.0 180.0 200.0
MAXIMUM DYNAMIC IMPEDANCE OHMS 1000 1300 1500
MAXIMUM KNEE IMPEDANCE OHMS 1000 1100 1300 1500 1700 2000 2500 3000 3100 4000 4500 5000 6000 6500 7000 8000
MAXIMUM REVERSE CURRENT VOLTS 3.72 10.0 4.08 4.50 4.92 5.46 8.00 8.80 9.60 10.40 12.00 12.80 14.40 16.00 17.60 19.20 21.60 24.00 26.40 28.80 31.2 34.4 37.6 40.8 44.8 49.6 54.4 60.4 65.6 72.8 80.0 88.0 96.0 104.0 120.0 128.0 144.0 160.0
MAXIMUM CONTINUOUS CURRENT
SURGE CURRENT
wave
IZSM AMPS .095 .089 .079 .072
Symbol
IZT, IZSM
SYMBOLS DEFINITIONS Definition
Zener Voltage: zener voltage device will exhibit specified current (IZ) breakdown region. Regulator Current: regulator current (IZ), specified test point (IZT), near breakdown knee (IZK). Dynamic Impedance: small signal impedance diode when biased operate breakdown region specified current modulation (typically IZK) superimposed respectively. Maximum Forward Voltage: maximum forward voltage device will exhibit specified current. Maximum Reverse Current: maximum reverse (leakage) current that will flow specified voltage temperature. Maximum Regulator (Zener) Current: maximum rated current specified power rating. Maximum Zener Surge Current: nonrepetitive peak value zener surge current specified wave form.
1N4460US thru 1N4496US 1N6485US thru 1N6491US
Copyright 2010 3-29-2010 SD43A.pdf
Microsemi
Page
Scottsdale Division 8700 Thomas 1390, Scottsdale, 85252 USA, (480) 941-6300, Fax: (480) 947-1503
1N4460US thru 1N4496US 1N6485US thru 1N6491US
VOIDLESS-HERMETICALLY-SEALED SURFACE MOUNT WATT GLASS ZENER DIODES
GRAPHS
Microsemi
FIGURE TYPICAL TEMPERATURE COEFFICIENT CHARACTERISTICS
FIGURE POWER TEMPERATURE DERATING CURVE
PACKAGE DIMENSIONS LAYOUT
1N4460US thru 1N4496US 1N6485US thru 1N6491US
This Package Outline also previously been identified "D-5A"
Note: mounting requires adhesive separate from solder, additional 0.060 inch diameter contact placed center between pads optional spot cement layout shown. Copyright 2010 3-29-2010 SD43A.pdf
Microsemi
Page
Scottsdale Division 8700 Thomas 1390, Scottsdale, 85252 USA, (480) 941-6300, Fax: (480) 947-1503

1N4460US 1N4496US 1N6485US 1N6491US

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