The CNR-10D471KTTS3.5 is a varistor with a 0.5 Amp rating and a voltage rating of 470 Volts AC (VAC), which is designed for through hole mounting and is RoHS compliant. It is manufactured by CNR, a supplier of electronic and electromechanical components and systems based in Singapore. The varistor is designed to provide protection against electrical overvoltage surges, and it has a impedance rating of 3.5 Ohms. It comes in a leaded construction, and it is encapsulated with epoxy.