The Yageo 301KD10J is an integral part of an electronic circuit and is used for a variety of applications such as surge suppression, transient overvoltage protection, and in filters for high frequency noise suppression. It is a through-hole, RoHS (Restriction of Hazardous Substances) compliant varistor that has a rated voltage of 300 VAC and a maximum energy rating of 950 J. It is a three-terminal, RoHS-compliant dielectric device that features excellent surge and transient overvoltage protection. It also features low activation energy, fast response time, and low noise. This part is ideal for industrial, telecom, computer, consumer and automotive applications.