2N6437 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -100 V
• Collector-Base Voltage, max: -120 V
• Emitter-Base Voltage, max: -6 V
• Collector Current − Continuous, max: -25 A
• Collector Dissipation: 200 W
• DC Current Gain (h_fe): 20 to 80
• Transition Frequency, min: 40 MHz
• Operating and Storage Junction Temperature Range: -65 to +200 °C
• Package: TO-3

Here is an image showing the pin diagram of this transistor.You can replace the 2N6437 with the 2N6438.