The CAP CER 1800PF 630V C0G/NP0 1825 is a specific type of ceramic capacitor. It has a capacitance value of 1800 pF with a tolerance of ±10, and it operates at a maximum voltage rating of 630 volts. This component falls under the designations C0G and NP0 (also known as 1B), with a physical size classification of 1825. In metric terms, this capacitor is referred to as 4564.