MG6331 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 230 V
• Collector-Base Voltage, max: 230 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 18 A
• Collector Dissipation: 300 W
• DC Current Gain (h_fe): 70 to 140
• Transition Frequency, min: 60 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-3P

Here is an image showing the pin diagram of this transistor.The complementary PNP transistor to the MG6331 is the MG9411.You can replace the MG6331 with the 2SD1313, MAG6333, MAG6333B or MG6331-R.