2N4907

High-power PNP silicon power switching and linear amplifier transistor housed in a rugged metal TO-3 can, optimized to provide linear current amplification and serve as the complementary pairing to the NPN 2N3055. Equivalents: MJ2955, 2N5875, NTE130. Real-Life Examples: Heavy-duty linear benchtop laboratory power supplies, vintage high-fidelity stereo power output modules, and industrial high-current DC motor regulators.