2N4906 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -80 V
• Collector-Base Voltage, max: -80 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -5 A
• Collector Dissipation: 87.5 W
• DC Current Gain (h_fe): 25 to 100
• Transition Frequency, min: 4 MHz
• Operating and Storage Junction Temperature Range: -65 to +200 °C
• Package: TO-3

Here is an image showing the pin diagram of this transistor.The complementary NPN transistor to the 2N4906 is the 2N4915.You can replace the 2N4906 with the 2N5868, 2N5872, 2N5876, 2N5880, 2N5884, 2N5884G, 2N6029, 2N6226, 2N6229, 2N6247, 2N6248, 2N6318, BD316, BD318, MJ14003, MJ14003G, MJ15002, MJ15002G, MJ15004, MJ15004G, MJ2941, MJ4502, MJ4502G or NTE180.