BDW54 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -45 V
• Collector-Base Voltage, max: -45 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -4 A
• Collector Dissipation: 40 W
• DC Current Gain (h_fe): 750 to 20000
• 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 BDW54 is the BDW53.You can replace the BDW54 with the 2SA1262, 2SA1488, 2SA1488A, 2SA770, 2SA771, BD202, BD204, BD244, BD244A, BD244B, BD302, BD304, BD534, BD536, BD538, BD540A, BD540B, BD544A, BD544B, BD546A, BD546B, BD644, BD646, BD648, BD738, BD796, BD798, BD800, BD808, BD810, BD896, BD896A, BD898, BD898A, BD900, BD900A, BD950, BD952, BDT60, BDT60A, BDT82, BDT82F, BDT84, BDT84F, BDW24, BDW24A, BDW24B, BDW54A, BDW54B, BDW64, BDW64A, BDW64B, BDW74, BDW74A, BDW74B, BDX34, BDX34A, BDX34B, BDX34BG, BDX54, BDX54A, BDX54B, BDX54BG, BDX78, D44C10, D44C11, D44C12, D44C4, D44C5, D44C6, D44C7, D44C8, D44C9, D45C10, D45C11, D45C12, D45C4, D45C5, D45C6, D45C7, D45C8, D45C9, D45H11, D45H11FP, D45H8, MJE700T, MJE701T, MJE702T or MJE703T.