The CAP CER 390PF 250V C0G/NP0 1210 is a specific type of ceramic capacitor. It has a capacitance value of 390 pF and operates within a voltage range of 250V. This component falls under the classification of C0G or NP0 types, indicating its precise temperature coefficient characteristics. The part number also references a metric designation, suggesting its dimensions may conform to 3225 measurements.