S1WB(A)80-7101 is a Bridge Rectifier with a voltage rating of 80 Volts (VRM) and an instantaneous forward surge current rating of 30 Amps (IFSM). It is manufactured by Shindengen, a Japanese company that specializes in the production of electronic components, including power supplies, voltage regulators, and rectifiers. The S1WB(A)80-7101 is used to convert AC input voltage into a DC output voltage. It is used extensively in industrial equipment, computers, and other electronic products.