CL21A475KAQNNNF

The CL21A475KAQNNNF is a multilayer ceramic capacitor (MLCC) manufactured by Samsung. This component belongs to the CL21A series, a widely-used family of general-purpose ceramic capacitors designed for mainstream industrial and consumer electronics applications. Multilayer ceramic capacitors like this part are fundamental passive components found in virtually every modern electronic device. They serve critical functions including power supply filtering, signal coupling and decoupling, noise suppression, and energy storage in various circuit topologies. The compact form factor and reliability of MLCCs make them the default choice for high-volume manufacturing across telecommunications, automotive electronics, industrial control systems, computing equipment, and power management applications. The CL21A series represents Samsung's mainstream offering in the general-purpose capacitor category. These capacitors are typically produced in surface-mount packages suitable for automated assembly on printed circuit boards. The series is designed to balance cost-effectiveness with consistent performance across standard operating conditions, making it popular for applications where extreme performance requirements are not necessary but proven reliability and availability are important. Engineers commonly specify Samsung's CL21A capacitors when designing circuits that require dependable filtering or coupling functions without specialized performance characteristics. Compared to alternatives, this series offers several advantages: Samsung's extensive manufacturing infrastructure ensures good availability and consistent quality, the established design history means compatibility with existing board layouts and assembly processes, and the mature technology typically offers competitive pricing per unit. The series has been in production for many years, which also means substantial technical documentation and field history are available to support design decisions. The part number suffix and designations indicate specific electrical characteristics within the series parameters. The CL21A family encompasses a range of capacitance values, voltage ratings, and temperature coefficients to address different circuit requirements. Designers selecting this exact part number would typically be matching it to previously validated designs, maintaining consistency with established bill-of-materials standards, or following qualification requirements established by their organization. This component is suitable for engineers designing standard-performance circuits where reliability and component availability are priorities. It is particularly common in industrial equipment, power supplies, signal conditioning circuits, and general-purpose consumer electronics. The widespread adoption of the CL21A series means that design resources, application notes, and reference designs are readily available to support implementation.