BUY C4060 https://www.utsource.net/itm/p/1290657.html
Power Transformer, 530VA
Description: The C4060 is a three-terminal, TO-3P, Avel Lindberg, NPN, power transistor. Features: Low collector-emitter saturation voltage High current gain High power dissipation Low noise High switching speed Applications: Switching power supplies Motor control Audio amplifiers High voltage switching applications (For reference only)