The CAP CER 47PF 630V C0G/NP0 1825 is a specific type of ceramic capacitor. It has a capacitance value of 47 pF and can withstand a maximum voltage of 630 volts. The designations C0G and NP0 refer to the ceramic material's characteristics, providing stability over temperature. This component is also known as 1B in some specifications, with metric designation 4564.