View pzt2222 datasheet:

NPN Silicon Switching Transistors PZT 2222 PZT 2222 A High DC current gain: 0.1 mA to 500 mA Low collector-emitter saturation voltage Complementary types: PZT 2907 (PNP) PZT 2907 A (PNP) Type Marking Ordering Code Pin Configuration Package1) (tape and reel) 1 2 3 4 PZT 2222 ZT 2222 Q62702-Z2026 B C E C SOT-223 PZT 2222 A ZT 2222 A Q62702-Z2027 Maximum Ratings Parameter Symbol Values Unit PZT 2222 PZT 2222 A Collector-emitter voltage VCE0 30 40 V Collector-base voltage VCB0 60 75 Emitter-base voltage VEB0 56 Collector current IC 600 mA Total power dissipation, TS = 110 ?C Ptot 1.5 W Junction temperature Tj 150 ?C Storage temperature range Tstg – 65 … + 150 Thermal Resistance Junction - ambient2) Rth JA ? 87 K/W Junction - soldering point Rth JS ? 27 1) For detaile