The CAP CER 22PF 250V X7R 1808 is a type of ceramic capacitor with specific ratings. It has a capacitance value of 22 picofarads (pF), an operating voltage of 250 volts, and is classified as an X7R dielectric material. This capacitor comes in the 1808 metric package size, which corresponds to 4.5 x 3.2 mm dimensions.