The CAP CER 1200PF 500V C0G/NP0 1812 is a specific type of ceramic capacitor. It has a capacitance value of 1200 pF with a tolerance of ±5%. This component operates at a maximum voltage rating of 500 volts and utilizes the C0G/NP0 dielectric material. The device's case size is designated as 4532 in metric dimensions, which corresponds to the 1812 package size in an inch-based system.