View ksc2073 datasheet:

KSC2073 NPN EPITAXIAL SILICON TRANSISTOR TV VERTICAL DEFLECTION OUTPUT TO-220 • Complement to KSA940 • Collector-Base Voltage VCBO = 150V ABSOLUTE MAXIMUM RATINGS Characteristic Symbol Rating Unit Collector-Base Voltage VCBO 150 V Collector-Emitter Voltage VCEO 150 V Emitter-Base Voltage VEBO 5 V Collector Current IC 1.5 A Collector Dissipation ( TC=25 ) PC 25 W Junction Temperature TJ 150 1.Base 2.Collector 3.Emitter Storage Temperature TSTG -55 ~ 150 ELECTRICAL CHARACTERISTICS (Tc =25 ) Characteristic Symbol Test Conditions Min Typ Max Unit Collector-Base Breakdown Voltage BVCBO IC = 500uA, IE = 0 150 V Collector-Emitter Breakdown Voltage BVCEO IC = 10mA, IB = 0 150 V Emitter-Base Breakdown Voltage BVEBO IE = - 500uA, IC = 0 5 V Collector Cutoff Current I