View bdx53 datasheet:

BDX53/A/B/C Hammer Drivers, Audio Amplifiers Applications Power Liner and Switching Applications • Power Darlington TR • Complement to BDX54, BDX54A, BDX54B and BDX54C respectively TO-220 1 1.Base 2.Collector 3.Emitter NPN Epitaxial Silicon Transistor Absolute Maximum Ratings TC=25°C unless otherwise noted Symbol Parameter Value Units VCBO Collector-Base Voltage : BDX53 45 V : BDX53A 60 V : BDX53B 80 V : BDX53C 100 V VCEO Collector-Emitter Voltage : BDX53 45 V : BDX53A 60 V : BDX53B 80 V : BDX53C 100 V VEBO Emitter-Base Voltage 5 V IC Collector Current (DC) 8 A ICP *Collector Current (Pulse) 12 A IB Base Current 0.2 A PC Collector Dissipation (TC=25°C) 60 W TJ Junction Temperature 150 °C TSTG Storage Temperature - 65 ~ 150 °C Electrical Characteristics TC