The part number is CAP CER 0.12UF 250V X7R 1825, which refers to a ceramic capacitor with the following specifications: capacitance of 0.12 microfarads, tolerance of ±20%, and a maximum working voltage of 250 volts. This type of capacitor falls under the X7R classification, indicating its temperature coefficient characteristics. The part number also includes the metric size designation "1825" and is identified as item number 4564 in some catalogs or databases.