BD651 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 120 V
• Collector-Base Voltage, max: 140 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 8 A
• Collector Dissipation: 62.5 W
• DC Current Gain (h_fe): 750
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: TO-220

Here is an image showing the pin diagram of this transistor.The complementary PNP transistor to the BD651 is the BD652.You can replace the BD651 with the BDT63C, BDT65C, BDW43, BDW73D or BDX33D.