The CAP CER 220PF 3KV C0G/NP0 1812 is a specific type of ceramic capacitor. It has a capacitance value of 220 pF and a tolerance of ±10%. This component can withstand a maximum voltage of 3000V (3kV). The part number includes the designation "C0G" or "NP0", indicating it is a type of C0G/NP0 ceramic capacitor, commonly referred to as a Class I dielectric. The metric designation "1812" corresponds to an Imperial measurement size of 4532.