The VS25F120 is a 1200 Volt 25 Amp rectifier manufactured by Vishay. It is an ultrafast, dual-field-effect (dual FET) rectifier specifically designed for fast switching and high efficiency in switch-mode power supplies. It features ultra-low forward voltage drop, ultra-low reverse-recovery time, and fast thermal recovery. It is ideal for high-frequency applications such as server power supplies, telecom rectifiers, and lighting applications. The device is UL-recognized and RoHS compliant.