The MOV-20D681K from Bourns is a Varistor with AC Voltage Rating 420 to 560 V, DC Voltage Rating 612 to 748 V, Clamping Voltage 1120 V, Capacitance 720 pF, Temperature Operating Range -40 to 105 ºC. Tags: Through Hole. More details for MOV-20D681K can be seen below.