The part number is CAP CER 0.027UF 1KV X7R 2225, which refers to a ceramic capacitor with specific characteristics. This includes a capacitance value of 0.027 microfarads, a tolerance of ±5%, and a maximum working voltage of 1000 volts (denoted as 1kV). The designation X7R indicates the type of dielectric material used in this component. Additionally, it is packaged in a 2225 metric case size, which corresponds to the EIA/RMA 0402 case size.