The CAP CER 1800PF 630V X7R 2225 is a type of ceramic capacitor. It has a capacitance value of 1800 picofarads with an accuracy of ±20%. The operating voltage for this component is 630 volts, and it falls under the category of X7R dielectric material. This specific capacitor is designated as part number 2225 in metric sizing, which corresponds to a diameter of approximately 5.08 millimeters (metric code 5763).