This is a high-precision ceramic capacitor with the following specifications: CAP CER 1.7PF 50V C0G/NP0 - It has a capacitance of 1.7 pF ±0.05pF, a voltage rating of 50V, and is classified as C0G/NP0 (1B). The package size is specified as 0505 (1313 Metric).