MG6331-R Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 260 V
• Collector-Base Voltage, max: 260 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-R is the MG9411-R.You can replace the MG6331-R with the 2SD1313.