The NSVRB521S30T1G is a 30V 5A Schottky Diode and Rectifier manufactured by ON Semiconductor. It is designed for use as a free wheeling diode in a variety of applications such as flyback converters, AC-DC converters, and automotive applications. It features low forward voltage drop for maximum efficiency and a high reliable avalanche current rating for increased ruggedness. The device features a shielded metal package for electromagnetic interference protection and an upper junction temperature rated at 150°C for improved reliability over wider temperature ranges.