2N3055A Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 60 V
• Collector-Base Voltage, max: 100 V
• Emitter-Base Voltage, max: 7 V
• Collector Current − Continuous, max: 15 A
• Collector Dissipation: 115 W
• DC Current Gain (h_fe): 20 to 70
• Transition Frequency, min: 1 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 2N3055A is the MJ2955A.You can replace the 2N3055A with the 2N3055, 2N3055AG, 2N3055G, 2N3055H, 2N5039, 2N5630, 2N5671, 2N5672, 2N5881, 2N5882, 2N5885, 2N5885G, 2N5886, 2N5886G, 2N6471, 2N6472, BD130, BD182, BD183, KD502, KD503, MJ14000, MJ14000G, MJ14002, MJ14002G, MJ15015, MJ15015G or NTE130.The 2N3055AG transistor is the lead-free version of the 2N3055A.