MJ3001 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 80 V
• Collector-Base Voltage, max: 80 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 10 A
• Collector Dissipation: 150 W
• DC Current Gain (h_fe): 1000
• 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 MJ3001 is the MJ2501.You can replace the MJ3001 with the 2N6385, BDX65A, BDX65B, BDX65C, BDX67A, BDX67B, BDX67C, BDX69A, BDX69B, BDX69C, MJ11014, MJ11014G, MJ11016, MJ11016G, MJ11030, MJ11030G, MJ11032, MJ11032G, MJ4034, MJ4035, TIP601, TIP602, TIP641 or TIP642.