The MJ11015 from Multicomp are through hole, high current complementary darlington transistor in TO-3 metal can package. It functions as an output device in complementary general purpose amplifier applications.
Collector emitter voltage (Vce) of 120V
Continuous collector current (Ic) of 30A
Power dissipation of 200W
Operating junction temperature range from -55°C to 200°C
Collector emitter saturation voltage of 4V at Ic=30A