BDT42A Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -60 V
• Collector-Base Voltage, max: -100 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -6 A
• Collector Dissipation: 65 W
• DC Current Gain (h_fe): 15 to 75
• Transition Frequency, min: 3 MHz
• 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 BDT42A is the BDT41A.You can replace the BDT42A with the BD708, BD710, BD712, BD908, BD910, BD912, BDT42AF, BDT42B, BDT42BF, BDT42C, BDT42CF, MJE5170, TIP42A, TIP42AG, TIP42B, TIP42BG, TIP42C, TIP42CF or TIP42CG.