BD544C Bipolar Transistor

• Type: PNP
• 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 NPN transistor to the BD544C is the BD543C.You can replace the BD544C with the 2N6042, 2N6042G, 2SA1077, 2SB1228, 2SB886, BD546C, BD650, BD652, BD902, BDT62B, BDT62C, BDT64B, BDT64C, BDW47, BDW47G, BDW48, BDW74C, BDW74D, BDW94C, BDW94CF, BDX34C, BDX34CG, BDX34D, BDX54C, BDX54CG, BDX54D, BDX54E, BDX54F, MJF6668, MJF6668G, TIP107, TIP107G, TIP137, TIP137G or TIP147T.