The HER304 is a robust and reliable 3A 400V Fast Recovery Rectifier Diode from JSCJ (JCET). Supreme Components International is an authorised distributor of JSCJ components, ensuring you receive genuine and high-performance products. This diode is designed for applications requiring fast switching speeds and efficient rectification. Its fast recovery time minimizes power loss and improves overall circuit efficiency. Ideal for use in switching power supplies, inverters, freewheeling diodes, and other high-frequency applications. Benefit from its low forward voltage drop and high surge current capability. Trust Supreme Components International for all your electronic component needs.