CL21A476MQ9LRNC

The CL21A476MQ9LRNC is a multilayer ceramic capacitor (MLCC) manufactured by Samsung, designed for general-purpose electronic applications across industrial, consumer, and commercial equipment. This component belongs to the CL21 series, which represents Samsung's established line of compact ceramic capacitors widely used in modern electronics manufacturing. Multilayer ceramic capacitors like this model serve as fundamental energy storage and filtering components in virtually all electronic circuits. They are employed to smooth voltage ripples, filter high-frequency noise, decouple power supplies, and stabilize signal integrity in analog and digital applications. The CL21 series is particularly common in applications requiring reliable performance with compact footprint constraints, making these capacitors ideal for densely populated circuit boards where space is at a premium. The part number designation indicates this capacitor utilizes a standard package size common to the CL21 family, which offers the balance between physical compactness and practical handling characteristics preferred in automated assembly environments. Samsung's CL21 series capacitors are manufactured using advanced dielectric materials that provide stable capacitance performance across typical operating temperature ranges found in industrial and consumer electronics. These components are designed to meet industry standards for reliability and environmental resistance, making them suitable for applications that must endure varying thermal conditions and extended operational lifecycles. Engineers typically specify Samsung's CL21 series capacitors when designing circuits that require proven reliability, consistent performance, and broad availability. The series has been in production for years, meaning established design histories exist across multiple industries and applications. This longevity and widespread adoption make the CL21 line a low-risk choice for new designs, as compatibility with existing supply chains and manufacturing processes is well-established. Additionally, Samsung's reputation for quality control and consistent manufacturing tolerances makes these capacitors suitable for applications where performance predictability is important. The CL21 series is frequently encountered in power supply circuits, signal filtering stages, decoupling networks around high-frequency components, and audio applications. Industries utilizing these capacitors include telecommunications equipment, industrial control systems, consumer appliances, automotive electronics, and computing hardware. Their broad adoption reflects both their technical adequacy for mainstream applications and their cost-effectiveness relative to specialized alternatives. For engineers evaluating this specific part number, Samsung's CL21 series represents a mature, widely-documented capacitor family with proven field performance across diverse industries. This makes it a pragmatic choice for applications where standard performance requirements are well-understood and reliability history is valued.