BUY70B Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 325 V
• Collector-Base Voltage, max: 800 V
• Emitter-Base Voltage, max: 8 V
• Collector Current − Continuous, max: 10 A
• Collector Dissipation: 75 W
• DC Current Gain (h_fe): 15
• Transition Frequency, min: 6 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 BUY70B with the BUX48B, BUX80, BUX81, BUY69A, BUY69B, BUY70A, MJ10000, MJ10001, MJ413 or MJ423.