The specified capacitor is the CAP CER 22PF 1KV C0G/NP0 1812. It has a capacitance of 22 pF and an operating voltage rating of 1000V (1kV). This is a ceramic capacitor classified as C0G, also referred to as NP0 (1B), with the metric size designation of 4532 being equivalent to the more commonly used 1812.