The CAP CER 3900PF 63V C0G/NP0 1812 is a specific type of ceramic capacitor. It has a capacitance value of 3900 picofarads and operates within a ±5% tolerance range. This component features a voltage rating of 63 volts and utilizes the C0G/NP0 dielectric material, which offers excellent stability over time. The part number for this capacitor is 1812, also referred to as 4532 in metric notation.