The ERZE11A201S1 from Panasonic Corporation is a Varistor with AC Voltage Rating 130 V, DC Voltage Rating 170 V, Clamping Voltage 340 V, Capacitance 690 pF, Temperature Operating Range -40 to 125 Degree C. Tags: Through Hole. More details for ERZE11A201S1 can be seen below.