MJ15018 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 200 V
• Collector-Base Voltage, max: 200 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 MJ15018 is the MJ15019.You can replace the MJ15018 with the 2SC1586, 2SD555, 2SD555-Q, 2SD555-R, 2SD555-S, 2SD746A, 2SD746A-Q, 2SD746A-R, 2SD746A-S, 2SD753, 2SD753-A, 2SD753-B, 2SD753-C, BUX80, BUX82, MJ10000, MJ10001, MJ11020, MJ11022, MJ11022G, MJ15020, MJ410, MJ411 or MJ423.