BUY 2SA2012 https://www.utsource.net/itm/p/4070924.html
DC/DC Converter Applications
2SA2012 is a PNP transistor manufactured by Toshiba. It is a SOT-89 package with an Ultra Thin Gate oxide (UTG) structure. Features: High breakdown voltage Low saturation voltage High gain Low noise High reliability Applications: Audio amplifiers Switching circuits Motor control circuits Power management circuits (For reference only)