BUY DTS424 https://www.utsource.net/itm/p/1880624.html
TRANSISTOR
The DTS424 is a silicon NPN power transistor manufactured by STMicroelectronics. It is designed for use in audio, power switching, and general purpose applications. Features: High current gain Low saturation voltage High switching speed Low collector-emitter saturation voltage High collector-emitter breakdown voltage Low noise Applications: Audio amplifiers Power switching General purpose switching and amplification (For reference only)