The MOV-20D121K from Bourns is a Varistor with AC Voltage Rating 75 to 100 V, DC Voltage Rating 108 to 132 V, Clamping Voltage 200 V, Capacitance 4200 pF, Temperature Operating Range -40 to 105 ºC. Tags: Through Hole. More details for MOV-20D121K can be seen below.