The MPSA42 from Fairchild is a surface mount, NPN high voltage amplifier in SOT-23 package. This device is designed for applications as a video output and other high voltage applications.
Collector to emitter voltage (Vce) of 300V
Collector to emitter saturation voltage of 500mV at 20mA collector current
Power dissipation of 625mW
DC collector current of 500mA
DC current gain of 25 at Ic=1mA
Operating junction temperature range from -55°C to 150°C