GRM31A5C3A470JW01D

The GRM31A5C3A470JW01D is a multilayer ceramic capacitor (MLCC) manufactured by Murata, one of the world's largest producers of passive electronic components. This surface-mount capacitor belongs to the GRM series, a widely recognized family of general-purpose ceramic capacitors used extensively in consumer electronics, industrial equipment, telecommunications, and automotive applications. Multilayer ceramic capacitors like this part are fundamental building blocks in modern electronic circuits. They serve critical functions including power supply filtering, signal coupling and decoupling, noise suppression, and frequency tuning. The compact surface-mount package design allows these capacitors to be efficiently integrated into high-density PCB layouts, making them ideal for applications where space is constrained. The part number structure reveals key characteristics about this specific capacitor. The "31" in the GRM designation indicates a 1206 package size (3.2mm x 1.6mm), a standard dimension in surface-mount technology that offers a good balance between handling ease and compact footprint. This size is versatile enough for both automated and manual assembly processes. The "A" code typically refers to the capacitor's temperature characteristics and operational stability class. The "C3" portion of the code relates to the voltage rating and dielectric composition, while the "470" value indicates the nominal capacitance. Murata's GRM series capacitors are engineered to meet strict industrial specifications for reliability and consistency. These components maintain stable performance across varying temperature and voltage conditions, with low equivalent series resistance (ESR) that makes them suitable for high-frequency applications. The robust construction minimizes microphonic effects and ensures long-term reliability in demanding environments. Engineers typically specify Murata GRM capacitors when they require dependable performance from a trusted supplier with proven quality control standards. The GRM series has established itself across decades of production, making it a safe choice for applications where component reliability is non-negotiable. Original equipment manufacturers and contract manufacturers routinely design with these capacitors because Murata maintains consistent part availability and performance characteristics across production batches. This particular part number would be selected for applications requiring a specific combination of capacitance value, voltage rating, and thermal stability. Common uses include power distribution networks in industrial controllers, signal integrity circuits in communication equipment, and filtering stages in precision instruments. Its surface-mount configuration makes it ideal for modern manufacturing processes where wave soldering or reflow soldering is employed.