The specified capacitor is a CAP CER 220PF 500V C0G/NP0 type, designed for high-voltage applications. It has a capacitance value of 220 pF with a tolerance of ±10%, and it operates within a voltage range of up to 500 volts. This ceramic capacitor conforms to the C0G/NP0 specification (1B) and is available in a 1206 package size, which corresponds to the metric size 3216.