2N5870 Bipolar Transistor

• Type: NPN
• 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): 20 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 2N5870 is the 2N5868.You can replace the 2N5870 with the 2N5038, 2N5038G, 2N5039, 2N5671, 2N5672, 2N5874, 2N5878, 2N5882, 2N5886, 2N5886G, 2N6316, 2N6472, 2SC1619, KD503, MJ14002, MJ14002G or MJ2841.