A ceramic capacitor with the following specifications: CAP CER 18PF 50V C0G/NP0 0402. It has a capacitance value of 18 pF and operates at a voltage rating of 50V. The temperature coefficient is designated as C0G or NP0, indicating it has a low change in capacitance with respect to temperature. The component is in the 0402 (1005 Metric) package size.