The ACMV-0201-090-C400 from Abracon is a Varistor with AC Voltage Rating 6.4 V, DC Voltage Rating 9 V, Clamping Voltage 20 V, Capacitance 40 pF, Temperature Operating Range -55 to 125 ºC. Tags: Surface Mount. More details for ACMV-0201-090-C400 can be seen below.