The CAP CER 390PF 1.5KV C0G/NP0 2225 is a type of ceramic capacitor with specific characteristics. It has a capacitance value of 390 pF and an operating voltage rating of 1500V, or 1.5kV. This component belongs to the C0G and NP0 (1B) classifications, which signify its stability over temperature. The metric designation for this capacitor is 2225, corresponding to a particular package size.