The CG21AS26F474MR from Kyocera AVX is a Varistor with AC Voltage Rating 18 V, DC Voltage Rating 26 V, Clamping Voltage 54 V, Capacitance 470000 pF, Temperature Operating Range -55 to 125 ºC. Tags: Through Hole. More details for CG21AS26F474MR can be seen below.