BUY RS1A https://www.utsource.net/itm/p/11279611.html
RS1A Fast Recovery Diodes 50V 1A 1.3V 150nS SMA/DO-214AC marking RS1A fast recovery rectifier
Description: SMA/DO-214AC, CERAMATE Features: * Low profile surface mount package * High surge capability * Low thermal resistance * High temperature soldering Applications: * Automotive electronics * Power supplies * Industrial electronics * Telecommunications (For reference only)