The CAP CER 1500PF 1.2KV X7R 1808 is a type of ceramic capacitor with specific characteristics. It has a capacitance value of 1500 pF and a tolerance of ±20%. This component operates within a voltage range of 1200V (1.2kV) and belongs to the X7R class, which is a common material used in ceramic capacitors due to its stability across various temperatures. The metric designation 4520 refers to the physical dimensions of this capacitor, typically associated with specific packaging styles and sizes for easy identification and application in electronic circuits.