The MLVC40V018C4500 from Eaton is a Varistor with AC Voltage Rating 14 V, DC Voltage Rating 18 V, Clamping Voltage 44 V, Capacitance 4500 pF, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for MLVC40V018C4500 can be seen below.