The WS3A006120E with Schottky Barrier Diodes (SBD) is a TO-252 surface mounted device manufactured specifically by Central Electronics and Technology Co., Ltd. (CETC). This product is RoHS compliant, meaning it does not contain any harmful substances or pollutants. The WS3A006120E has a reverse-bias tolerance of 20V, a forward voltage drop of 0.275V, and a current rating of 6A peak. It is also designed with a high-temperature resistance of 175°C. This device is a great choice for various power applications, such as automotive, communication, and switching.