2N2905

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High-speed PNP silicon planar switching and amplification transistor housed in a medium-sized metal TO-39 can, designed to handle moderate current loads as the complementary match to the NPN 2N2219. Equivalents: 2N2905A, BSV15, NTE129. Real-Life Examples: Mid-1970s consumer audio output driver boards, switching power supply regulation loops, and industrial relay actuator control blocks. [1, 2, 3] Show more