View he8050 datasheet:

UTC HE8050 NPN EPITAXIAL SILICON TRANSISTOR LOW VOLTAGE HIGH CURRENT SMALL SIGNAL NPN TRANSISTOR DESCRIPTION The UTC HE8050 is a low voltage high current small signal NPN transistor, designed for Class B push-pull 2W audio amplifier for portable radio and general purpose applications. 1 FEATURES *Collector current up to 1.5A *Collector-Emitter voltage up to 25 V *complimentary to UTC HE8550 TO-92 1:EMITTER 2:COLLECTOR 3: BASE ABSOLUTE MAXIMUM RATINGS ( Ta=25°C ,unless otherwise specified ) PARAMETER SYMBOL VALUE UNIT Collector-Base Voltage VCBO 40 V Collector-Emitter Voltage VCEO 25 V Emitter-Base Voltage VEBO 6 V Collector Dissipation(Ta=25°C) Pc 1 W Collector Current Ic 1.5 A Junction Temperature Tj 150 °C Storage Temperature TSTG -65 ~ +150 °C ELECTRICAL CHARACT