GRM21B7U2E472JW32L

# GRM21B7U2E472JW32L Multilayer Ceramic Capacitor The GRM21B7U2E472JW32L is a multilayer ceramic capacitor (MLCC) manufactured by Murata, one of the world's leading producers of passive components for electronics. This capacitor belongs to the GRM series, a widely-used family of surface-mount ceramic capacitors designed for high-reliability applications across consumer, industrial, and automotive sectors. Multilayer ceramic capacitors like this model serve as essential filtering, coupling, and decoupling components in electronic circuits. They store electrical charge and help stabilize voltage levels, suppress noise, and smooth power distribution across PCBs. The compact surface-mount design makes them ideal for modern, space-constrained applications where board density and miniaturization are critical. The part number encoding reveals key specifications about this component. The GRM21 designation indicates a 0805 metric package size (2.0mm × 1.25mm), a standard footprint widely supported by manufacturing equipment worldwide. The "B7U2E" portion specifies the capacitance value and voltage rating, indicating this capacitor is rated for 25 volts and has a nominal capacitance value. The "472" typically represents the capacitance code common in component marking systems. The presence of "J" in the part number suggests a standard tolerance grade suitable for general industrial applications where tight tolerances are not critical. The "W32L" suffix denotes the specific termination and material composition. Murata's ceramic formulations in this series are designed to balance cost-effectiveness with stable performance across temperature ranges commonly encountered in industrial and consumer applications. The X7R or similar dielectric material commonly found in this product line provides relatively stable capacitance performance over typical operating temperature ranges, making it suitable for applications where voltage compensation is less critical. Engineers typically specify the GRM21B7U2E472JW32L when they need a reliable, proven capacitor in a compact package for general-purpose decoupling and filtering roles. The 0805 footprint provides excellent compatibility with standard PCB assembly processes and rework procedures. Its consistent performance and widespread availability make it a preferred choice for high-volume manufacturing, prototype development, and board redesigns where drop-in compatibility with existing designs is important. This capacitor is commonly found in power supply circuits, microcontroller boards, sensor modules, industrial control systems, and consumer electronics where stable, economical capacitance is required without specialized high-temperature or high-frequency requirements.