The part number is CAP CER 7.9PF 50V C0G/NP0 0201 and it refers to a specific type of ceramic capacitor with the following specifications: capacitance value is 7.9 pF, tolerance is ±0.5pF, voltage rating is 50V, and it has a C0G/NP0 temperature coefficient and a 0201 (0603 metric) size.