MJ2841 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 80 V
• Collector-Base Voltage, max: 80 V
• Emitter-Base Voltage, max: 4 V
• Collector Current − Continuous, max: 10 A
• Collector Dissipation: 150 W
• DC Current Gain (h_fe): 20 to 100
• 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 MJ2841 is the MJ2941.You can replace the MJ2841 with the 2N5038, 2N5038G, 2N5039, 2N5671, 2N5672, 2N5878, 2N5882, 2N5886, 2N5886G, 2N6472, KD503, MJ14002 or MJ14002G.