GRM21BR71E394KA01L

The GRM21BR71E394KA01L is a multilayer ceramic chip capacitor manufactured by Murata, one of the world's leading producers of passive electronic components. This part belongs to Murata's GRM series, which represents a broad family of general-purpose ceramic capacitors designed for mainstream industrial and consumer electronics applications. Multilayer ceramic capacitors (MLCCs) are fundamental passive components used in virtually every modern electronic device. They store electrical energy and are essential for filtering, decoupling, energy storage, and signal coupling functions across power supplies, audio circuits, RF systems, and digital logic boards. The GRM series specifically targets cost-sensitive applications where reliable performance and miniaturization are required without premium specifications. The "21" in the part number indicates this capacitor uses a 0805 case size (2.0mm × 1.25mm), making it suitable for compact circuit board layouts. This surface-mount package is ideal for high-volume manufacturing and automated assembly processes common in industrial electronics, telecommunications equipment, automotive control modules, and consumer appliances. The 0805 format offers a practical balance between small footprint and ease of handling during production. Key characteristics of Murata's GRM21BR series include reliable performance across standard industrial temperature ranges and moderate voltage ratings. These capacitors are designed with X7R dielectric material, which provides relatively stable capacitance performance across temperature variations—a feature valued in applications where thermal stability matters. The construction uses lead-free terminations, meeting modern environmental compliance requirements like RoHS standards. Engineers might specify this exact part number when designing cost-effective circuits that require dependable capacitive performance without exotic material or temperature properties. The GRM21BR series is particularly popular in consumer electronics, industrial control systems, power management circuits, and general-purpose filtering applications where standard performance margins suffice. The widespread availability and proven track record of Murata's GRM series make it a standard choice for design engineers managing component obsolescence risk and requiring reliable second-sourcing options. Designers often select this part when circuit requirements don't demand high-reliability aerospace grades or specialized high-temperature or high-voltage variants. The combination of proven reliability, compact packaging, industry-standard specifications, and established supply chain presence makes the GRM21BR series an economical solution for mainstream industrial and commercial electronics manufacturing.