The 7D470K is a varistor manufactured by Hongzhi. It is a 38V thru hole varistor, designed for surface mount technology and meets the RoHS standards for environmental safety. With a maximum rated AC voltage of 70V, the 7D470K is well suited for over-voltage protection in most applications. The varistor is able to dissipate over-voltage energy to prevent circuit damage and failure, and is ideal for providing ESD protection for consumer electronic equipment, power supplies, and other applications.