2N6497 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 250 V
• Collector-Base Voltage, max: 350 V
• Emitter-Base Voltage, max: 6 V
• Collector Current − Continuous, max: 5 A
• Collector Dissipation: 80 W
• DC Current Gain (h_fe): 10 to 75
• Transition Frequency, min: 5 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.You can replace the 2N6497 with the 2N6498, 2N6499, 2SC3795, 2SC3795A, 2SC4242, 2SC5241, MJE13070, MJE13071, MJE16002 or MJE16004.