12105C394JAJ2A

# Product Description: 12105C394JAJ2A The 12105C394JAJ2A is a multilayer ceramic capacitor manufactured by AVX, a recognized producer of passive electronic components for demanding industrial and commercial applications. This component belongs to the 1210 package family, a widely used surface-mount form factor that balances compact physical dimensions with practical handling characteristics for automated assembly processes. Multilayer ceramic capacitors (MLCCs) like this part serve as energy storage and filtering elements in electronic circuits. They are essential for applications requiring stable capacitance across variable operating conditions, voltage smoothing, signal coupling and decoupling, and high-frequency noise suppression. The 1210 package size makes this component particularly suitable for space-constrained designs while maintaining sufficient capacitance values for many industrial applications. The part number designation "394" embedded in the code indicates this capacitor is part of a specific series with defined performance characteristics within AVX's product portfolio. Components from this family are commonly specified in power supply circuits, industrial control systems, telecommunications equipment, automotive electronics, and consumer appliances where reliable filtering and energy storage are required. The multilayer construction of these capacitors provides excellent volumetric efficiency, allowing engineers to achieve required capacitance values in compact board footprints—a critical consideration in modern PCB design where space is at a premium. Engineers typically select a specific MLCC part number based on several interconnected factors: required capacitance value, voltage rating needed for the circuit application, frequency response characteristics, temperature stability requirements, and physical package constraints. The 1210 form factor represents an optimal middle ground for many industrial applications, offering significantly more capacitance than smaller packages while remaining compatible with standard pick-and-place assembly equipment. AVX's components in this category are designed to meet rigorous reliability standards demanded by industrial and professional users, with consistent performance over extended operating life. When evaluating whether this exact part suits a particular circuit design, engineers should consider the specific dielectric material type, which influences temperature stability, voltage derating behavior, and frequency response. The J designation in the part number typically indicates tolerances and characteristics relevant to the intended application class. This part represents a proven solution for mainstream industrial and commercial applications where standard performance and reliability are required without specialized or extreme-condition requirements. For applications involving critical filtering, voltage regulation, or high-reliability systems, this component provides the combination of proven performance, established supply chain presence, and compatibility with modern manufacturing processes that industrial and engineering teams depend upon.