The part number specified is CAP CER 0.018UF 50V C0G/NP0 2220, indicating a 0.018 microfarad capacitance with ±5% tolerance and a working voltage of 50 volts. This component is a ceramic capacitor classified as C0G or NP0, having a metric size designation of 2220 (5750) and is designed for various applications requiring stable capacitance values over temperature ranges.