BUY 2SC2589 https://www.utsource.net/itm/p/997784.html
NPN PLANAR SILICON TRANSISTORAUDIO POWER AMPLIFIER DC TO DC CONVERTER
Description: 2SC2589 is a silicon NPN epitaxial planar type transistor manufactured by Fujitsu. Features: High breakdown voltage High transition frequency High collector-emitter voltage Low collector-emitter saturation voltage High collector current Low noise Applications: Audio frequency amplifier High frequency amplifier Switching regulator DC-DC converter Motor drive circuit (For reference only)