Central Semiconductor Corp. Bipolar Transistors - BJT MPSA44

The MPSA44 is a silicon NPN transistor designed for high voltage applications, packaged in a TO-92 case. It has a collector-base voltage rating of 500 V, a collector-emitter voltage rating of 400 V, and a continuous collector current of 300 mA. The power dissipation is 625 mW, with a thermal resistance of 200 °C/W. The operating and storage junction temperature range is -65 to +150 °C. Current gain (hFE) ranges from 40 to 200 depending on collector current, and the transition frequency is 20 MHz. The device has a collector-emitter saturation voltage of 0.40 V at 1 mA and 0.75 V at 50 mA.