The CAP CER 22PF 1KV C0G/NP0 1808 is a type of ceramic capacitor. It has a capacitance value of 22 pF ±10 and can withstand voltages up to 1000V (1kV). This component is classified as a C0G or NP0 type, indicating its temperature stability. The metric size designation "4520" corresponds to the 1808 package type.