A 0.5 pF ceramic capacitor with a tolerance of ±0.25pF and a working voltage of 63V is specified by CAP CER 0.5PF 63V C0G/NP0 0505. This component has dimensions corresponding to the metric designation 1313, and it belongs to the 1B class of C0G or NP0 capacitors with a 0505 case size.