2N4913 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 40 V
• Collector-Base Voltage, max: 40 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 PNP transistor to the 2N4913 is the 2N4904.You can replace the 2N4913 with the 2N4914, 2N4915, 2N5869, 2N5870, 2N5873, 2N5874, 2N5877, 2N5878, 2N5881, 2N5882, 2N5885, 2N5885G, 2N5886, 2N5886G, 2N6315, 2N6316, 2N6470, 2N6471, 2N6472, 2SC1618, 2SC1619, BD315, BDW51, KD501, KD502, KD503, MJ14000, MJ14000G, MJ14002, MJ14002G, MJ2840 or MJ2841.