The MSB40M UMSB Bridge Rectifier is a device manufactured by GOODWORK which provides a rectifying bridge with a rated forward current of 4A, a maximum surge current of 5uA at 1000V, a holding current of 1.1V at 4A, a maximum reverse voltage of 1kV, and an operating temperature range of -55? to +150? (Tj). This device is RoHS compliant.