BD543C Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 100 V
• Collector-Base Voltage, max: 100 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 8 A
• Collector Dissipation: 70 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 BD543C is the BD544C.You can replace the BD543C with the 2N6045, 2N6045G, 2N6531, 2N6532, 2N6533, 2SC2527, 2SD1196, 2SD1830, BD545C, BD649, BD651, BD901, BDT63B, BDT63C, BDT65B, BDT65C, BDW42, BDW42G, BDW43, BDW73C, BDW73D, BDW93C, BDW93CF, BDX33C, BDX33CG, BDX33D, BDX53C, BDX53CG, BDX53D, BDX53E, BDX53F, MJF6388, MJF6388G, TIP102, TIP102G, TIP132, TIP132G or TIP142T.