The SESMF05C is a surface mount, fast recovery diode manufactured by Willas Electronic Corp. It is designed to provide high-speed switching and low power loss in a wide range of applications. The SESMF05C has a maximum forward voltage of 1V and a maximum reverse voltage of 50V. It is a highly reliable diode that is designed to provide stable performance over a wide temperature range. Despite its medium popularity, the SESMF05C is a high-quality diode that is in demand for its reliable performance.