The specified component is a ceramic capacitor, identified by the code C0H 0402 and part number CAP CER 0.4PF 50V C0H 0402. It has a capacitance value of 0.4 pF with an accuracy tolerance of ±0.05pF. The capacitor operates within a voltage range of 50V and is classified as a metric size component, specifically measuring 1005 (0402) in the metric system.