The 07D471K is a varistor manufactured by Jingdao. It is a surface mount device (SMD) with compliance to the Restriction of Hazardous Substances (RoHS) lead-free directive. It has a voltage range of 470 volts, and a maximum steady state current rating of 10 amperes. It has a capacitance of 1pF and a response time of one nanosecond. The varistor is suitable for use in power electronics, telecommunications, automotive, and consumer electronics applications. It is designed to protect against over-voltages, surges, and transient voltage overshoots.