Contextual Info: SIEMENS 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 (tape and reel) PinC Contigui ation