First line: marking code VV transistors DSC4501 Tentative DSC4501 Silicon epitaxial planar type low-frequency amplification Marking Symbol Package Code NS-B1-B Absolute Maximum RatingsTaAbstract: .. DSC4501 Total pages page. Collector-emitter voltage Base open VCEO V. Absolute Maximum Ratings Ta = 25 °C Parameter Symbol Rating. DSC4501 Silicon NPN epitaxial planar type. For low-frequency .. Tags: DSC4501marking code VV transistorsDSC4501