1206YZ105KAT2A

The AVX 1206YZ105KAT2A is a multilayer ceramic capacitor (MLCC) in the 1206 surface-mount package size. This component represents a standard offering from AVX's extensive ceramic capacitor portfolio, designed for general-purpose applications across consumer electronics, industrial control systems, and telecommunications equipment. Multilayer ceramic capacitors are among the most widely used passive components in modern electronics due to their compact size, reliability, and cost-effectiveness. The 1206 package format strikes an important balance, offering a larger footprint than smaller alternatives like 0603 or 0402, which can provide improved mechanical robustness and easier handling during manufacturing while remaining space-efficient on printed circuit boards. This makes the 1206 package a popular choice for applications where component density is important but not extreme, such as industrial power supplies, automotive systems, and telecommunications infrastructure. The "YZ" designation in the part number indicates specific material and temperature characteristics relevant to AVX's classification system. Capacitors bearing this designation are typically intended for applications requiring stable performance across moderate temperature ranges, making them suitable for standard commercial and industrial environments. These capacitors are generally chosen for circuits requiring energy storage, filtering, decoupling, or AC signal coupling where the exact capacitance value and voltage rating meet the design requirements. Engineers select this specific part number when their design requires the particular electrical characteristics encoded in the designation, combined with AVX's quality standards and manufacturing consistency. The 1206 package is well-established in supply chains and assembly processes, reducing procurement complexity and integration risk compared to more exotic alternatives. Additionally, AVX's MLCC products are known for reliable performance in demanding environments, which is particularly valuable in industrial and automotive applications where component failure can result in significant downtime or safety concerns. The ceramic dielectric material used in these capacitors provides excellent frequency response characteristics, making them effective across a wide spectrum of applications from DC blocking to high-frequency filtering. Their low equivalent series resistance (ESR) compared to older electrolytic alternatives makes them particularly valuable in modern switching power supplies and signal processing circuits. For engineers evaluating capacitor options for a given design, this part number would be considered when the specific capacitance value, voltage rating, and temperature stability align with circuit requirements, and when the manufacturing and long-term availability advantages of selecting an established AVX part justify the choice over generic alternatives.