MJ15020 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 250 V
• Collector-Base Voltage, max: 250 V
• Emitter-Base Voltage, max: 7 V
• Collector Current − Continuous, max: 4 A
• Collector Dissipation: 150 W
• DC Current Gain (h_fe): 30
• Transition Frequency, min: 20 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.The complementary PNP transistor to the MJ15020 is the MJ15021.You can replace the MJ15020 with the BUX80, BUX81, BUX82, BUX83, MJ10000, MJ10001, MJ11022, MJ11022G, MJ411 or MJ423.