This is a 2.2-pF ±0.5pF ceramic capacitor with the designation of CER 2.2PF 250V C0G/NP0 1111. It has a capacitance value of 2.2 pF, operates at 250 volts, and features a C0G/NP0 dielectric material. The component is available in a metric case size with the part number 2828.