The MVR20D221K-S from Meritek Electronics Corporation is a Varistor with AC Voltage Rating 140 V, DC Voltage Rating 180 V, Clamping Voltage 360 V, Capacitance 1800 pF, Temperature Operating Range -40 to 105 Degree C. Tags: Through Hole. More details for MVR20D221K-S can be seen below.