The specified capacitor is a CAP CER 56PF 6KV C0G/NP0 type with the dimensions of 2220 and a capacitance value of 56 pF. It features ±2% tolerance and withstands a voltage of up to 6000V (6kV). The ceramic material used in this capacitor is designated as C0G, also known as NP0 or Type 1B, with the metric designation of 5750 corresponding to 2220.