The specified component is a CAP CER 220PF 2KV NP0 1808 ceramic capacitor. It features a capacitance of 220 pF with a tolerance of ±10% and withstands a voltage of up to 2000V (2kV). This particular type of capacitor falls under the classification of C0G, or NP0, which indicates its temperature stability characteristics. The metric designation is 4520.