1808SC681KAT3A

The AVX 1808SC681KAT3A is a multilayer ceramic capacitor (MLCC) designed for general-purpose filtering, decoupling, and signal coupling applications in industrial electronics. This component belongs to the 1808 package family, which refers to its surface-mount form factor measuring 1.8mm by 0.8mm—a compact size that makes it suitable for space-constrained circuit boards while remaining easy to handle during automated assembly. Multilayer ceramic capacitors like this model are fundamental building blocks in modern electronics, found in power supply circuits, audio equipment, communication systems, and control circuitry. The 1808 package represents a popular midrange footprint that balances component density with practical manufacturing considerations, making it a go-to choice when designers need reliable capacitance without requiring the largest or smallest available packages. AVX manufactures this capacitor using advanced ceramic dielectric technology, which allows for stable performance across typical industrial operating conditions. These components are frequently selected for applications requiring stable capacitance over temperature ranges commonly encountered in factory automation, instrumentation, and embedded control systems. The multilayer construction provides consistent electrical characteristics while maintaining low equivalent series resistance (ESR), important for effective power supply decoupling near digital integrated circuits. Engineers specify the 1808SC681KAT3A in designs where the combination of package size, capacitance value, and AVX's manufacturing quality meet their circuit requirements. The specific part number indicates a particular capacitance value and dielectric formulation within AVX's 1808 product line. Because AVX is an established manufacturer with long-term product consistency and traceability, specifying their components helps ensure consistent supply chain performance and predictable long-term behavior in fielded equipment—critical factors in industrial applications where downtime is costly. This capacitor would typically be deployed in groups across a circuit board, working alongside resistors and other passive components in filtering networks, bypass circuits, and timing applications. Its small footprint allows placement close to power pins on microcontrollers, processors, or analog circuits, minimizing parasitic inductance and maximizing filtering effectiveness. The 1808 package offers a practical alternative to larger cases when board space is valuable, and to smaller cases when handling and thermal performance become considerations. For engineering teams developing industrial control systems, test equipment, or embedded electronics, having access to quality MLCCs in this size range provides flexibility in meeting both electrical performance and manufacturing requirements.