GRM31B5C2J821JW01L

The GRM31B5C2J821JW01L is a multilayer ceramic capacitor (MLCC) manufactured by Murata, one of the world's leading suppliers of passive electronic components. This capacitor belongs to Murata's GRM series, which is widely recognized in industrial and consumer electronics for reliable performance in demanding applications. Multilayer ceramic capacitors are fundamental passive components used across virtually every electronic assembly. They function to store electrical charge, filter noise, couple or decouple signals, and stabilize power distribution in circuits. The GRM series specifically is designed for applications requiring consistent performance across commercial and industrial temperature ranges, making these capacitors suitable for use in power supplies, audio equipment, telecommunications infrastructure, automotive electronics, and industrial control systems. The part number structure indicates this is a 0805-sized package, which refers to the physical dimensions in hundredths of an inch. This size represents a popular mid-range format that balances ease of handling and automated assembly with reasonable capacitance values. The compact form factor makes it ideal for space-constrained applications while remaining practical for manual rework when necessary. The designation "C2J" in the part number indicates the dielectric material and voltage rating class. Murata's C0G/NP0 and X7R dielectrics are common in this series, with X7R materials offering good stability across temperature ranges and higher capacitance density compared to C0G alternatives. This makes the GRM31 series particularly valuable for engineers who need predictable performance without excessive board space allocation. Engineers typically specify exact Murata part numbers from the GRM series when application requirements demand consistent electrical behavior, proven reliability in high-volume manufacturing, or when designs have been validated against specific Murata components. The GRM series has an established track record in industrial applications, making it a low-risk choice for designs requiring component qualification or those in safety-critical systems. The 01L suffix indicates Murata's packaging standard for tape-and-reel format, which is standard for automated surface mount assembly in modern manufacturing environments. This packaging ensures components arrive in consistent condition suitable for high-speed pick-and-place equipment. For applications ranging from basic filtering and decoupling to more specialized signal integrity requirements, the GRM31B5C2J821JW01L offers proven performance that has been validated across countless industrial and commercial deployments. Its combination of established manufacturing standards, compact packaging, and Murata's quality reputation makes it a practical choice for engineers designing reliable electronic systems.