This is a CAP CER 2.2 PF 50V C0G/NP0 0201 type capacitor with the following specifications: capacitance of 2.2 pico Farads, tolerance of ±0.25 pico Farads, and voltage rating of 50 volts. It is a ceramic capacitor in the C0G or NP0 dielectric type, packaged in the 0201 (0603 metric) case size.