2N4902 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -60 V
• Collector-Base Voltage, max: -60 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -5 A
• Collector Dissipation: 87.5 W
• DC Current Gain (h_fe): 20 to 80
• 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 2N4902 is the 2N5068.You can replace the 2N4902 with the 2N4903, 2N4908, 2N4909, 2N5867, 2N5868, 2N5871, 2N5872, 2N5875, 2N5876, 2N5879, 2N5880, 2N5883, 2N5883G, 2N5884, 2N5884G, 2N6030, 2N6227, 2N6230, 2N6246, 2N6247, 2N6248, 2N6317, 2N6318, 2N6436, 2N6437, 2N6438, MJ14001, MJ14001G, MJ14003, MJ14003G, MJ2940 or MJ2941.