A 500V ceramic capacitor with a capacitance of 18pF and a tolerance of ±10% is available in the CAP CER 18PF 500V C0G/NP0 series. This component has a metric case size code of 1111, corresponding to an 2828 package, which accommodates its 18pF capacitance within a 500V working voltage range. The C0G and NP0 classifications indicate that it falls under the ceramic (C0G) and temperature-compensating (NP0) categories.