The CAP CER 390PF 2KV X7R 2220 is a type of ceramic capacitor with specific characteristics. It has a capacitance value of 390 pico Farads and a tolerance range of ±10%. Additionally, it can withstand a maximum voltage rating of 2000 volts (2 kilovolts). The capacitor's design category is X7R, which indicates its temperature stability and dielectric properties. It features a metric case size 2220 and is part of the CAP CER series with designation number 5750.