GRM31A5C3A221JW01D

The GRM31A5C3A221JW01D is a multilayer ceramic capacitor (MLCC) manufactured by Murata, one of the world's leading producers of passive electronic components. This part belongs to the GRM series, which represents Murata's established line of general-purpose ceramic capacitors widely used across consumer electronics, industrial equipment, telecommunications, and automotive applications. Multilayer ceramic capacitors like this model serve as essential energy storage and signal conditioning components in virtually every modern electronic circuit. They are used for power supply filtering, noise decoupling, AC coupling, timing circuits, and EMI suppression. The compact form factor and high reliability of MLLCs make them ideal for applications where space is limited and consistent performance is critical. The part number structure indicates this is a surface-mount component in the 1206 package size, a standard industry-standard footprint that balances ease of handling during assembly with reasonable capacitance density. The GRM31 designation places it in Murata's established family of capacitors optimized for reliability in industrial and commercial environments. These capacitors are constructed using multiple layers of ceramic dielectric material with interleaved metallic electrodes, enabling stable capacitance values in a small physical space. Engineers typically specify Murata GRM series capacitors when they require dependable performance across a range of operating conditions without premium-tier cost considerations. The series is known for consistent electrical characteristics, good temperature stability, and reliable long-term aging behavior. These capacitors function well in standard operating environments and maintain predictable performance in both DC and AC applications. The 0805, 1206, and larger packages in this series are particularly popular in industrial control systems, power management circuits, and telecommunications equipment where component density must be balanced against thermal management and manufacturing accessibility. Designers often select GRM capacitors as proven solutions where historical field data demonstrates long-term reliability, and where design flexibility allows use of established component families rather than requiring specialized high-performance alternatives. This part would be specified when your application requires a standard, proven multilayer ceramic capacitor with good availability and established manufacturing history. If your circuit demands extreme capacitance values, exceptional temperature coefficients, or performance at unusual voltage and frequency combinations, you might evaluate specialized alternatives. However, for general filtering, decoupling, and AC coupling functions across typical industrial operating ranges, the GRM31A5C3A221JW01D represents a reliable, cost-effective solution with extensive field validation across numerous equipment platforms.