Central Semiconductor Corp. Bipolar Transistors - BJT MPSA42

The MPSA42 is a silicon NPN transistor designed for high voltage applications, packaged in a TO-92 case. It has a collector-base voltage rating of 300 V and a collector-emitter voltage rating of 300 V, with a continuous collector current of 500 mA and a power dissipation of 625 mW at 25°C. The transistor features a minimum DC current gain (hFE) of 25 at 1 mA and 40 at 10 mA and 30 mA, a saturation voltage of 0.50 V at 20 mA collector current, and a transition frequency of 50 MHz. It operates within a junction temperature range of -65°C to +150°C and has a thermal resistance of 200°C/W. The device is compliant with RoHS standards.