1206YD155MAT2A

The 1206YD155MAT2A is a multilayer ceramic capacitor (MLCC) manufactured by AVX, designed for general-purpose filtering, decoupling, and energy storage applications across a wide range of industrial and consumer electronic equipment. This component belongs to the 1206 package family, which refers to its surface-mount form factor measuring approximately 3.2mm by 1.6mm, making it suitable for high-density PCB layouts while remaining easy to handle and place with standard automated assembly equipment. Multilayer ceramic capacitors like this model are fundamental building blocks in modern electronics, serving critical roles in power supply circuits, signal coupling and decoupling, noise filtering, and timing applications. The 1206 package size represents a middle ground between smaller 0805 packages and larger 1210 or 1812 packages, offering engineers a practical balance between board space efficiency and capacitance density. These capacitors are particularly valued in industrial control systems, automotive electronics, telecommunications infrastructure, medical devices, and general-purpose industrial equipment where reliable performance and cost-effectiveness are important. The "YD" designation in AVX's nomenclature indicates this capacitor is part of their general-purpose MLCC series, typically offering standard dielectric materials and moderate voltage ratings suitable for mainstream applications. These capacitors perform reliably across typical operating temperature ranges found in industrial environments and are designed to meet industry standards for temperature coefficient stability and aging characteristics. Engineers commonly specify AVX MLCCs in the 1206 package when they need a cost-effective, proven solution for bulk capacitance requirements without requiring specialized high-voltage or high-temperature performance characteristics. The 1206 format provides sufficient capacitance for most filtering and decoupling roles in standard power supply designs, 3.3V and 5V digital logic systems, and analog signal processing circuits. This package size also offers better volumetric efficiency than 0805 or smaller formats when higher capacitance values are required, reducing the quantity of components needed on the board while maintaining reasonable component density. The combination of AVX's manufacturing reputation for quality and consistency, the standardized 1206 package ecosystem, and the general-purpose nature of this capacitor make it a popular choice for engineers designing electronics that must meet cost targets without sacrificing reliability. Its widespread availability and cross-compatibility with standard PCB assembly processes mean design engineers can feel confident specifying this part for both prototype development and production runs without facing unusual sourcing or manufacturing constraints.