The VDRUS20Z210ByE from Vishay is a Varistor with AC Voltage Rating 210 V, DC Voltage Rating 275 V, Clamping Voltage 550 V, Capacitance 1250 pF, Temperature Operating Range -40 to 125 ºC. Tags: Through Hole. More details for VDRUS20Z210ByE can be seen below.