Co., LtdThe ES1HF with SMAF is a diode manufactured by Changjing Electronics Technology Co., Ltd. It is a fast recovery rectifiers, meaning that it has a rapid reset time after forward voltage is applied. The part is RoHS compliant, meeting the European Union’s Restrictions on Hazardous Substances. This diode can be used for various rectification functions in power supplies, U.L. appliances, and more. It is capable of operating at a temperature of -40 to +110°C and has a maximum forward surge current of 2.5A. Its voltage ratings and dimensions are as follows: Vf = 800V, If = 5A, SMF = 2.4x0.8x7.8mm.