BDW53D 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: 4 A
• Collector Dissipation: 40 W
• DC Current Gain (h_fe): 750 to 20000
• 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 BDW53D is the BDW54D.You can replace the BDW53D with the 2SD772, 2SD772A, 2SD792, 2SD792A, BD539D, BD651, BD955, BDT61C, BDT87, BDT87F, BDW63D, BDW73D, BDX33D, BDX53D, BDX53E, BDX53F, MJE15028, MJE15028G, MJE15030, MJE15030G, MJF15030, MJF15030G, TIP41D, TIP41E, TIP41F, TIP42D, TIP42E or TIP42F.