The CAP CER 820PF 250V X7R 1812 is a specific type of ceramic capacitor. It has an approximate capacitance value of 820 picoFarads and operates within a voltage range of 250 volts. This component falls under the category of X7R ceramics, which are known for their high reliability and stability across various temperature ranges. The metric size equivalent of this component is 4532, indicating its dimensions in millimeters.