The specified capacitor is a 630V ceramic capacitor with the part number CAP CER 4.3PF 630V C0G/NP0 1206. It has a capacitance value of 4.3 pF and an accuracy tolerance of ±0.25 pF, conforming to the C0G/NP0 classification. The 1206 size refers to its metric dimensions, equivalent to 3216 in imperial measurements.