The CAP CER 3900PF 25V C0G/NP0 1825 is a specific type of ceramic capacitor. It has a capacitance value of 3900 pF and operates within a ±2 tolerance at a voltage rating of 25 volts. The C0G designation signifies that it is a Type C0G (NP0) capacitor, indicating its temperature-stable and consistent characteristics. This component is designed with metric dimensions in the 1825 package size and holds the part number 4564 for reference purposes.