View tip31c utc datasheet:

UTC TIP31C NPN EXPITAXIAL PLANAR TRANSISTOR NPN EXPITAXIAL PLANAR TRANSISTOR DESCRIPTION The UTC TIP31C is a NPN expitaxial planar transistor, designed for using in general purpose amplifier and switching applications. 1 FEATURE *Complement to tip32C TO-220 1:BASE 2:COLLECTOR 3:EMITTER ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL VALUE UNIT Collector Base Voltage VCBO 100 V Collector to Emitter Voltage VCEO 100 V Emitter To Base Voltage VEBO 5 V Collector Current(DC) IC 3 A Collector Current(Pulse) IC 5 A Base Current IB 1 A Collector Dissipation(Tc=25°C) Pc 40 W Collector Dissipation(Ta=25°C) Pc 2 W Junction Temperature Tj 150 °C Storage Temperature Tstg -65 ~ +150 °C ELECTRICAL CHARACTERISTICS(Tc=25°C) PARAMATER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Collector E