The MOV-20D781K from Bourns is a Varistor with AC Voltage Rating 485 to 640 V, DC Voltage Rating 702 to 858 V, Clamping Voltage 1290 V, Capacitance 612 pF, Temperature Operating Range -40 to 105 ºC. Tags: Through Hole. More details for MOV-20D781K can be seen below.