The CAP CER 22PF 2.5KV C0G/NP0 2220 is a specific type of ceramic capacitor with a capacitance value of 22 pF and a voltage rating of 2500V (2.5kV). It has a temperature coefficient of 0 parts per million (ppm) over the -55°C to +125°C temperature range, making it suitable for applications where stability is crucial. The capacitor's dimensions are specified as 2220, which corresponds to a metric size of 5750.