View smbt2222 datasheet:

NPN Silicon Switching Transistors SMBT 2222 SMBT 2222 A High DC current gain: 0.1 mA to 500 mA Low collector-emitter saturation voltage Complementary types: SMBT 2907, SMBT 2907 A (PNP) Type Marking Ordering Code Pin Configuration Package1) (tape and reel) 1 2 3 SMBT 2222 s1B Q68000-A6481 B E C SOT-23 SMBT 2222 A s1P Q68000-A6473 Maximum Ratings Parameter Symbol Values Unit SMBT 2222 SMBT 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 = 77 ?C Ptot 330 mW Junction temperature Tj 150 ?C Storage temperature range Tstg – 65 … + 150 Thermal Resistance Junction - ambient2) Rth JA ? 290 K/W Junction - soldering point Rth JS ? 220 1) For detailed informat