2N3055 NPN 60V 15A power transistor TO-3 SKS brand 115W Power supply–ref:521

2N3055 NPN Power Transistor – High-Performance Silicon Power Transistor for Amplifiers, Power Supplies, and More. The 2N3055 NPN Power Transistor is a robust and versatile silicon-based bipolar junction transistor (BJT) designed for a wide range of high-power applications.

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