BUT12 series datasheets. Manufacturer: Fairchild Semiconductor.

BUT12 NPN Silicon Transistor Datasheet*) BUT12ATU NPN Silicon Transistor in 3-pin TO-220 package. Datasheet*) BUT12TU NPN Silicon Transistor in 3-pin TO-220 package. Datasheet*) BUT12A NPN Silicon Transistor Datasheet*) There are other manufacturers for this components. For more information please check BUT12 (Philips Semiconductors) BUT12 (Wing Shing Electronic Co.)

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