The VDRH20R030ByE from Vishay is a Varistor with AC Voltage Rating 30 V, DC Voltage Rating 38 V, Clamping Voltage 93 V, Capacitance 12000 pF, Temperature Operating Range -40 to 125 Degree C. Tags: Through Hole. More details for VDRH20R030ByE can be seen below.