BD546 Bipolar Transistor

• Type: PNP
• 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 NPN transistor to the BD546 is the BD545.You can replace the BD546 with the 2SA1744, 2SA1744-K, 2SA1744-L, 2SA1744-M, BD546A, BD546B, BDW44, BDW45, BDW46 or BDW46G.