12102C103KAT4A

The AVX 12102C103KAT4A is a multilayer ceramic capacitor (MLCC) designed for general-purpose filtering, decoupling, and signal coupling applications across industrial and commercial electronics. This component represents a reliable solution for engineers integrating passive filtering into power distribution networks, signal integrity circuits, and timing applications where compact form factor and cost-effectiveness are priorities. Multilayer ceramic capacitors like this part are essential building blocks in modern electronics, functioning as energy storage and noise suppression elements. They excel at high-frequency filtering due to their low inherent inductance and are commonly specified in bypass and decoupling roles adjacent to integrated circuits, where they help stabilize supply voltages and reduce electromagnetic interference. The MLCC family also serves applications requiring AC signal coupling, where the capacitor blocks DC while passing AC components with minimal phase distortion. This particular part carries the 1210 package designation, indicating a surface-mount form factor measuring 1.2 mm × 1.0 mm — a widely adopted size that balances real estate savings with handling practicality in automated assembly environments. The "C" designator in AVX's nomenclature typically indicates ceramic dielectric construction, while the "103K" segment suggests a capacitance value in the higher picofarad to nanofarad range with K-grade tolerance, standard for general industrial applications where tight tolerances are not critical to circuit function. Engineers commonly select this specific part number when designing cost-sensitive applications that still demand reasonable reliability and performance. The 1210 package offers advantages over smaller formats (0805, 0603) in terms of voltage handling capability and current-carrying capacity, while remaining significantly more space-efficient than larger packages. This makes it a natural choice for mid-range density layouts in consumer power supplies, industrial control systems, LED drivers, audio equipment, and telecommunications infrastructure. The AVX manufacturing heritage ensures consistent quality and long-term availability, important considerations for industrial buyers managing supply chain risk and production continuity. Designers often prefer established manufacturer parts in cost-critical high-volume applications where qualification costs are justified and alternative sourcing provides competitive advantage. Typical specifications for MLCCs in this package class include voltage ratings from 10V to 100V, with dielectric materials selected for stable capacitance across operating temperature ranges. Standard ceramic formulations balance performance and temperature stability suitable for industrial environments without requiring premium specifications. This component integrates seamlessly into standard PCB assembly flows and pairs naturally with common industrial passive and active components in filtering networks, making it a practical specification for engineers seeking proven performance without overspecification.