The FM21N222J251ECG is a 0805 surface mount, multilayer ceramic capacitor (MLCC) with a voltage rating of 250V and capacitance of 2.2nF, ±5% tolerance. It is ROHS compliant and manufactured by Prosperity. This capacitor is mostly used in high frequency circuits, impedance matching networks, timing circuits, sample and hold circuits, radio-frequency circuits, and energy storage applications. It provides excellent stability and reliability in high frequency applications.