The MVS2220B470K-S from Meritek Electronics Corporation is a Varistor with AC Voltage Rating 30 V, DC Voltage Rating 38 V, Clamping Voltage 77 V, Capacitance 5700 pF, Temperature Operating Range -50 to 85 Degree C. Tags: Surface Mount. More details for MVS2220B470K-S can be seen below.