The MRA4006T3G is a rectifier diode manufactured by ON Semiconductor. It is a surface mount device (SMD) with a plastic case that is designed to be used in high-temperature and high-frequency applications. It has a wide forward voltage range from 800V and a rated forward current of 1A. It also features low reverse leakage current, and low power dissipation. It is RoHS compliant and has a junction temperature rating of up to 175 °C.