High Voltage Transistors MAXIMUM RATINGS Rating 2N6517 Symbol 2N6515 2N6519 2N6520 Unit Collector Emitter Voltage Collector Base Voltage Emitter Base Voltage 2N6515, 2N6516, 2N6517 2N6519, 2N6520 VCEO 250 300 350 Vdc VCBO 250 300 350 Vdc VEBO Vdc 6.0 5.0 Base Current Collector Current Continuous Total Device Dissipation @ TA = 25°C Derate above 25°C IB IC PD 250 mAdc 500 mAdc 625 mW 5.0 mW/°C Total Device Dissipation @ TC = 25°C Derate above 25°C .