The CAP CER 1800PF 50V C0G/NP0 1812 is a type of ceramic capacitor with specific characteristics. It has a capacitance value of 1800 pF and operates within a voltage range of 50 volts. This component falls under the C0G, also known as NP0, classification which implies a stable capacitance and low losses across various temperatures. The metric designation of 1812 corresponds to an imperial size of 4532.