The MJ15012 device ias a are power transistor designed for high power audio, disk head positioners and other linear applications.
Collector-Emitter Voltage: 250 V
Collector-Base Voltage: 250 V
Emitter-Base Voltage: 5 V
Collector Current: 10 A
Collector Dissipation - 200 W
DC Current Gain (hfe) - 20 to 120
Collector Capacitance: 750pF
The MJ15011 is a complementary NPN transistor for the MJ15012.
Note: Specifications could vary based on manufacturer's products and processes.