The ceramic capacitor is specified as CAP CER 390PF 4KV C0G/NP0. It has a capacitance value of 390 pF with a tolerance of ±10% and can withstand a maximum voltage rating of 4000V or 4kV. The capacitor is classified under the C0G/NP0 category, commonly known as Type 1B. Its dimensions are denoted by the metric code 1825, which corresponds to a specific package size.