The CAP CER 82PF 4KV C0G/NP0 1812 is a specific type of ceramic capacitor. It has a capacitance value of 82 pF and a tolerance of ±5%. This capacitor also features high voltage ratings, with a maximum working voltage of 4000V (4kV). The designation "C0G" or "NP0" indicates its dielectric characteristics, which are suitable for applications where stability is crucial. Additionally, the capacitor's dimensions are consistent with the 1812 package size (which is equivalent to 4532 in metric measurements), and it falls under the category of 1B temperature coefficient specifications.