The specified component is a ceramic capacitor with the part number CAP CER 820PF 50V C0G/NP0 0603. It has an equivalent value of 820 pF and operates within a ±5% tolerance at a voltage rating of 50V. The capacitor conforms to the C0G, or NP0 (1B) temperature coefficient, and is packaged in the 0603 (1608 Metric) size.