The specification is for a ceramic capacitor with part number CAP CER 270PF 1.2KV C0G/NP0 2225. This component has a capacitance of 270 pF and a tolerance of ±2%. It is rated for a maximum voltage of 1200V, equivalent to 1.2kV. The capacitor's case style is designated as 2225 in metric measurements, which corresponds to the number 5763 in some manufacturers' catalogs.