Скачать даташит для 2sa1797-p:

SMD Type TransistorsPower Transistor2SA1797SOT-89 Unit: mm+0.14.50-0.1 1.50+0.1-0.11.80+0.1-0.1FeaturesLow saturation voltage. VCE(sat)=-0.35V(Max.) at IC / IB=-1A/-50mA.0.48+0.1 0.53+0.1 0.44+0.1-0.1 -0.1 -0.1Excellent DC current gain characteristics.Complements the 2SA1797 and 2SC4672.1. Base3.00+0.1-0.12. Collector3. EmiitterAbsolute Maximum Ratings Ta = 25Parameter Symbol Rating UnitCollector-emitter Voltage VCEO -50 VCollector-base Voltage VCBO -50 VEmitter-base Voltage VEBO -6 VCollector current IC -3 ACollector power dissipation PC 0.5 WJumction temperature Tj 150Storage temperature Tstg -55 to +150Electrical Characteristics Ta = 25Parameter Symbol Testconditons Min Typ Max UnitCollector-emitter breakdown voltage BVCEO IC = -1mA -50 VCollector-base breakdown voltae BVCBO IC =-50 A -50 VEmitter-base breakdown volt