BUY S3B T/R https://www.utsource.net/itm/p/9778955.html

The S3B T/R is a surface mount Schottky Barrier Rectifier manufactured by Panjit. It is a 3-pin device with a maximum reverse voltage of 30V and a maximum forward current of 1A. It is used in a variety of applications, including power supplies, voltage regulation, and motor control. It is also used in automotive and industrial applications. (For reference only)