The MMBT2222A from Fairchild is a surface mount, NPN general purpose amplifier in SOT-23 package. This device is suitable for medium power amplification and switching applications.
Collector to emitter voltage (Vce) of 40V
Collector to emitter saturation voltage of 1V at 500mA collector current
Power dissipation of 350mW
DC collector current of 1A
DC current gain of 35 at Ic=10mA
Operating junction temperature range from -55°C to 150°C