The part number for the specified capacitor is 1812J0100123KXR, which is a CAP CER 0.012UF 10V X7R 1812. This component belongs to the 4532 metric series and has a capacitance of 0.012 microfarads with a tolerance of ±10% at a voltage rating of 10 volts. It is constructed using ceramic material designated as X7R, which provides specific characteristics suitable for various applications.