BDX53D Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 120 V
• Collector-Base Voltage, max: 120 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 8 A
• Collector Dissipation: 60 W
• DC Current Gain (h_fe): 500
• 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 BDX53D is the BDX54D.You can replace the BDX53D with the 2N6533, BD651, BDT63C, BDT65C, BDW43, BDW73D, BDX33D, BDX53E or BDX53F.