The MJW21193G is a NPN power transistor manufactured by ON Semiconductor. It is designed for use in high power audio, disk head positioners, and other general purpose applications.Features: Collector-Emitter Voltage (Vce): 200V Collector-Base Voltage (Vcb): 200V Emitter-Base Voltage (Veb): 5V Collector Current (Ic): 15A Power Dissipation (Pd): 150W Operating and Storage Junction Temperature Range: -55°C to {+}150°CApplications: High Power Audio Disk Head Positioners General Purpose Applications(For reference only)
https://www.utsource.net/itm/p/856973.html