NCP21XW222J03RA is a part number used to identify a specific type of electronic component produced by a manufacturer. In this case, the part number is associated with a capacitor produced by Murata Electronics, a well-known manufacturer of electronic components.

The NCP21XW222J03RA capacitor is a surface mount multi-layer ceramic capacitor with a capacitance value of 2.2nF. It has a tolerance of ±5%, a rated voltage of 300V, and operates within a temperature range of -55°C to +125°C. This capacitor is commonly used in various electronic circuits such as filters, oscillators, and power supplies due to its high reliability and performance characteristics.

The "NCP" in the part number stands for "Noise Control Plate" and indicates that the capacitor has been designed to minimize noise and interference in electronic circuits. The "21X" represents the size code of the capacitor, while the "222" indicates the capacitance value in picofarads. The "J03" denotes the tolerance and voltage ratings of the capacitor, with "J" standing for ±5% tolerance and "03" indicating a voltage rating of 300V.

Overall, the NCP21XW222J03RA capacitor is a reliable and versatile component that is widely used in various electronic applications. Its compact size, high capacitance, and excellent performance make it a popular choice among engineers and designers in the electronics industry. Whether used in power supplies, audio equipment, or communication devices, the NCP21XW222J03RA capacitor plays a crucial role in ensuring the proper functioning of electronic systems.