2N4234

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Medium-power PNP silicon planar bipolar transistor housed in a metal TO-39 can, engineered for high-linearity driver and output stages in low-to-medium power audio amplification sy stems. Equivalents: 2N4235, MJE350, BD140, NTE185. Real-Life Examples: Mid-1970s consumer stereo receiver output driver boards, linear series voltage regulators, and industrial DC solenoid actuator controls. Show more