The part number CAP CER 47PF 25V C0G/NP0 0603 refers to a specific type of ceramic capacitor. This component has a capacitance value of 47 pF with a tolerance of ±2 and operates at a maximum voltage of 25V. The C0G (NP0) designation indicates that it belongs to the ceramic capacitor family with a temperature coefficient of zero, also known as Class I or NPO.