The CAP CER 82PF 4KV C0G/NP0 1808 is a specific type of ceramic capacitor. This component features a capacitance value of 82 pF with an acceptable deviation of ±5%, and it has a working voltage rating of 4000V (4kV). Its classification falls under the C0G or NP0 category, which signifies that it exhibits a high stability in temperature and frequency characteristics. The capacitor is available in the 1808 case size, equivalent to 4520 metric dimensions.