2N6491 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -80 V
• Collector-Base Voltage, max: -90 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -15 A
• Collector Dissipation: 75 W
• DC Current Gain (h_fe): 20 to 150
• 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 2N6491 with the 2N6491G, BD744B, BD744C, BD910 or BD912.The 2N6491G transistor is the lead-free version of the 2N6491.