A ceramic capacitor with the designation CAP CER 1.9PF 50V C0G/NP0 0201 has a capacitance of 1.9 pF ±0.1pF and operates at a voltage rating of 50 volts. It is classified as a C0G or NP0 type, which indicates that it exhibits a stable dielectric constant over a wide temperature range. The component's case size is specified in metric units (0603), corresponding to the imperial designation 0201.