BD545 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 40 V
• Collector-Base Voltage, max: 40 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 15 A
• Collector Dissipation: 85 W
• DC Current Gain (h_fe): 60
• 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 BD545 is the BD546.You can replace the BD545 with the 2SC4552, 2SC4552-K, 2SC4552-L, 2SC4552-M, BD545A, BD545B, BDW39, BDW40, BDW41 or BDW41G.