The CAP CER 56PF 250V C0G/NP0 0603 is a specific type of ceramic capacitor. It has a capacitance value of 56 pF and operates within a voltage range of 250 volts. The capacitor adheres to the C0G or NP0 specification, which denotes its stability across temperature variations. This component is available in a compact 0603 package size, also known as metric 1608.