2N6058 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: 12 A
• Collector Dissipation: 150 W
• DC Current Gain (h_fe): 750 to 18000
• 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 2N6058 is the 2N6051.You can replace the 2N6058 with the 2N6059, 2N6283, 2N6283G, 2N6284, 2N6284G, 2SC1584, 2SC1585, BD315, BD317 or KD503.