This is a 470KD14J varistor through hole RoHS manufactured by Yageo. It is a non-linear, two-terminal semiconductor device composed of a porous layer of zinc oxide, which acts as a voltage dependent resistor. The varistor has a fixed breakdown voltage that can be adjusted over a wide range and can withstand large current surge and transient voltages. This varistor is RoHS compliant and has a tolerance of ±20% to ensure long-term reliability. The device is suitable for ESD protection, line filtering, DC/AC linking, and EMI suppressor applications.