The CAP CER 1200PF 4KV X7R 1812 is a specific type of ceramic capacitor. It has a capacitance value of 1200 pF, with a tolerance of ±10%. This component can withstand a maximum voltage of 4000V (4kV). The designation "X7R" refers to its dielectric material properties. The capacitor's dimensions are based on the metric system and are labeled as 4532 in this format.