The CAP CER 820PF 1KV X7R 2220 is a type of ceramic capacitor with specific characteristics. It has an capacitance value of 820 pF, tolerance of ±5%, and a voltage rating of 1000V (1kV). This component is classified as X7R, which indicates its temperature coefficient and stability properties. The 2220 designation refers to its metric package size, and the 5750 part number may be used for identification purposes in certain applications.