2N5759 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 120 V
• Collector-Base Voltage, max: 120 V
• Emitter-Base Voltage, max: 7 V
• Collector Current − Continuous, max: 6 A
• Collector Dissipation: 150 W
• DC Current Gain (h_fe): 20 to 80
• Transition Frequency, min: 1 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 2N5759 with the 2N5038, 2N5038G, 2N5039, 2N5630, 2N5633, 2N5672, BUY69C or BUY70C.