Complementary silicon power transistors. The 2N3773 power transistors are designed for high-power audio, disk head positioners, and other linear applications. These devices can also be used in power switching circuits as relays or solenoid drivers. DC-DC converters or inverters

Features:

• Pb-free packages
• high-safety operating area (100% tested) 150W at 100V
• Completely characterized for linear operation
• High DC current gain and low saturation voltage
• hfe = 15 (Min.) at 8A, 4V
• Vce (sat) = 1.4V (Max.) at Ic = 8A, Ib = 0.8A
• For low distortion, complementary designs

Maximum Ratings:

• Collector-Emitter Voltage: 140 VDC
• Collector-Emitter Voltage: 160 VDC
• Collector-Base Voltage: 160 VDC
• Collector Current: Continuous 4Ah / Peak 15Ah
• Total Device Dissipation at Ta = 25°C Derate above 25°C: 150W / 0.855W/°C
• Operating and Storage Junction Temperature Range: -65 to +200°C

Datasheet: https://pdf.direnc.net/upload/2n3773-datasheet.pdf