RS1B with Rectifiers 100V 1a Fast Rect SMa manufactured by ON Semiconductor is a single-phase rectifier, rated at 100 volts and 1 ampere. It is fast-acting, with a high peak current capability and low Vf, making it ideal for high frequency DC switching applications. It features soft-fast reverse recovery characteristics and is free from secondary breakdown problems. The SMa package is a small DO-214AB package designed to save space in applications such as power supplies, DC-DC converters, telecommunications, battery charging, industrial and automotive electronics.