The part number is CAP CER 22PF 500V C0G/NP0 1206. This component is a 500-volt ceramic capacitor with a capacitance of 22 picofarads and an accuracy of ±10%. It has a metric size designation of 3216, which corresponds to the 1206 size in imperial measurements. The capacitor's dielectric material is C0G or NP0, indicating it has low loss characteristics and operates over a wide temperature range.