The BD911 from STMicroelectronics is a through hole NPN complementary power transistors in TO-220 package. This device manufactured in epitaxial planar technology.
Collector to emitter voltage (Vce) is 100V
Collector current (Ic) is 15A
Power dissipation (Pd) is 90W
Collector to emitter saturation voltage of 3V at 10A collector current
DC current gain (hFE) of 5 at 10A collector current