Скачать даташит для 2sa1797:

Power Transistor (-50V, -3A) 2SA1797 Features Dimensions (Unit : mm) 1) Low saturation voltage. MPT3VCE (sat) = -0.35V (Max.) at IC / IB = -1A / 50mA. 2) Excellent DC current gain characteristics. 4.51.51.63) Complements the 2SC4672. (1) (2) (3) Packaging specifications 0.40.50.4 0.4Type 2SA17971.5 1.53.0(1)BasePackage MPT3(2)CollectorhFE PQ(3)EmitterMarking AGCode T100Basic ordering unit (pieces) 1000Denotes hFE Absolute maximum ratings (Ta=25C) Parameter Symbol Limits UnitCollector-base voltage VCBO -50 VCollector-emitter voltage VCEO -50 VEmitter-base voltage VEBO -6 V1 -3 A (DC)Collector current IC-6 A (Pulse)0.52Collector power2SA1797 PC Wdissipation2Junction temperature Tj 150 CStorage temperature Tstg -55 to +150 C1 Single pulse, Pw=10ms2 When mounted on a 40 40