MJE5181 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 140 V
• Collector-Base Voltage, max: 140 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 6 A
• Collector Dissipation: 65 W
• DC Current Gain (h_fe): 15 to 100
• Transition Frequency, min: 1 MHz
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: TO-220

Here is an image showing the pin diagram of this transistor.The complementary PNP transistor to the MJE5181 is the MJE5171.You can replace the MJE5181 with the MJE5182, TIP41E, TIP41F, TIP42E or TIP42F.