RS2AB with Diodes - Rectifiers - Fast Recovery SMB RoHS is a two-terminal, ultrafast recovery rectifier from Jingdao. It is ideally suited for switch mode power supplies, converters, and freewheeling diodes for power switching, medium frequency, and high-frequency applications. This device is a surface-mount device (SMB) and meets all of the Restriction of Hazardous Substances (RoHS) standards for Europe and Japan. It can handle up to 1.0A of peak forward current and has a reverse working voltage of up to 1000V. It features a fast recovery time of 55ns and an operating temperature range of -65°C to +150°C.