BDW40 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 60 V
• Collector-Base Voltage, max: 60 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 15 A
• Collector Dissipation: 85 W
• DC Current Gain (h_fe): 1000
• Transition Frequency, min: 4 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-220

Here is an image showing the pin diagram of this transistor.The complementary PNP transistor to the BDW40 is the BDW45.You can replace the BDW40 with the BDW41, BDW41G, BDW42, BDW42G, BDW43, MJF6388 or MJF6388G.