0805YA181KAT2A

The AVX 0805YA181KAT2A is a multilayer ceramic capacitor (MLCC) in the widely used 0805 surface-mount package. This component belongs to the Y5V dielectric series, a general-purpose ceramic capacitor family designed for applications where moderate capacitance stability and high volumetric efficiency are acceptable trade-offs for compact size and cost-effectiveness. Multilayer ceramic capacitors are fundamental passive components found in virtually every modern electronic device. They serve multiple critical functions including power supply filtering, signal coupling and decoupling, timing circuit stabilization, and noise suppression across analog and digital circuits. The 0805 package is one of the most prevalent surface-mount sizes in industrial electronics, offering a practical balance between component density and ease of manufacturing and repair. The Y5V dielectric classification indicates this capacitor is optimized for high capacitance values in small physical volumes, making it particularly valuable in space-constrained applications. However, Y5V ceramics exhibit capacitance variation with temperature and applied voltage, which is a known characteristic of this dielectric family. This makes them suitable for general decoupling, filtering, and non-critical timing applications where absolute stability is not required. Engineers typically specify Y5V capacitors in bulk storage, high-frequency noise filtering, and other applications where the capacitance variance remains within acceptable circuit tolerances. The 0805 package dimensions make this component compatible with standard automated assembly equipment used in high-volume manufacturing. This widespread compatibility, combined with the component's broad availability from multiple suppliers, ensures reliable procurement and consistent manufacturing processes across production runs. The surface-mount configuration allows for dense PCB layout and efficient wave or reflow soldering processes. Designers might select this specific part number when their circuit requires a capacitor with the capacitance value indicated in the part designation, in the 0805 package, with the environmental and performance characteristics of the Y5V series. The AVX brand reputation for quality and consistency in MLCC production makes this a reliable choice for industrial and commercial applications where component reliability directly impacts system performance. This capacitor would typically appear in consumer electronics, industrial control systems, automotive applications, telecommunications equipment, and any other domain requiring compact, cost-effective capacitive filtering and energy storage. Its ubiquity in the electronics industry reflects the practical utility of the 0805 MLCC form factor and the Y5V dielectric's balance of performance characteristics for general-purpose use.