The specified capacitor is a CAP CER 2.1PF 200V C0G/NP0 0505 type, with a capacitance of 2.1 pF and an accuracy rating of ±0.25pF. It operates at a maximum voltage of 200 volts and features ceramic construction with a C0G/NP0 dielectric. The component is packaged in the metric size 1313, which is equivalent to the 0505 designation.