The ERZE11A911S1 from Panasonic Corporation is a Varistor with AC Voltage Rating 550 V, DC Voltage Rating 745 V, Clamping Voltage 1500 V, Capacitance 240 pF, Temperature Operating Range -40 to 125 Degree C. Tags: Through Hole. More details for ERZE11A911S1 can be seen below.