The CAP CER 9PF 50V C0G/NP0 0402 is a ceramic capacitor with specific characteristics. It has a capacitance value of 9 pF and a tolerance of ±0.25pF, with a voltage rating of 50V. The designation "C0G" or "NP0" indicates that it belongs to the C0G/NP0 dielectric type, which is known for its stability over temperature. This component is commonly used in compact applications and has a metric code (1005).