BUY BUX41N https://www.utsource.net/itm/p/300084.html
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Package: TO-3 Manufacturer: ST/PHI/MOT Description: BUX41N is a NPN high-power transistor manufactured by ST/PHI/MOT. It is designed for use in power switching applications. Features: High current gain Low collector-emitter saturation voltage High breakdown voltage High power dissipation Low noise High switching speed Applications: Power switching Motor control Audio amplifiers High voltage switching High frequency switching (For reference only)