KH050-090A-H High Flux Plus Toroid Core 12.70×7.62×4.75 90µ

KH050-090A-H is a high-performance toroidal magnetic core from KDM, specifically designed for applications requiring high flux density and excellent DC bias characteristics. As a crucial passive component within the magnetics category, this High Flux Plus core serves as the foundational element for inductors, transformers, and chokes, enabling efficient energy storage and transfer in various electronic circuits. Its unique material composition and precise dimensions make it an ideal choice for power conversion, filtering, and energy storage applications where stability and performance under demanding conditions are paramount. KDM is a reputable manufacturer known for producing reliable magnetic components that meet stringent industry standards.

Key Specifications

The KH050-090A-H core boasts several critical specifications that define its operational characteristics and suitability for specific designs. The Series: High Flux Plus indicates the advanced material technology employed, offering superior performance compared to standard cores, particularly in high-current applications. With a Weight (g) of 0.383, this lightweight core minimizes overall product weight, which is beneficial for portable and space-constrained devices. The Core Material: High Flux Plus signifies a specialized powdered iron alloy that provides a high saturation flux density and excellent DC bias performance, crucial for maintaining inductance under high current loads. Its Mounting Type: Through Hole implies that the core is typically integrated into PCBs by winding wire directly through its center, a common and robust method for magnetic components. The Component Type: Magnetic Core (Toroid) highlights its ring-shaped geometry, which inherently offers superior magnetic shielding and minimizes external electromagnetic interference compared to other core shapes. The AL Value (nH/N²) of 40 represents the inductance factor, indicating the inductance generated per turn squared, a key parameter for calculating the required number of turns for a desired inductance. A Permeability (µ) of 90 denotes the material’s ability to support the formation of a magnetic field within itself, with higher permeability generally leading to higher inductance for a given number of turns. The Effective Area Ae (cm²) of 0.114 and Effective Length le (cm) of 3.120 are critical for magnetic circuit calculations, influencing the core’s ability to store energy and its response to magnetic fields. The nominal Dimensions OD×ID×HT (mm) of 12.70×7.62×4.75 define the outer diameter, inner diameter, and height of the core, essential for mechanical integration and winding considerations. The Effective Volume Ve (cm³) of 0.356 is another parameter used in energy storage calculations. Finally, the Dimensions After Coating (mm) of 13.46×6.99×5.51 provide the precise measurements of the core once its protective coating has been applied, which is important for final assembly and clearance considerations.

Features and Benefits

• Superior DC Bias Performance: The High Flux Plus material ensures that inductance remains stable even under high DC current conditions, preventing saturation and maintaining circuit performance.
• High Saturation Flux Density: Allows for smaller, more efficient designs by enabling the core to handle higher energy levels without saturating, reducing component size and weight.
• Reduced AC Core Losses: Optimized material properties contribute to lower energy dissipation during AC operation, enhancing overall system efficiency and reducing heat generation.
• Compact Toroidal Design: The ring shape provides excellent self-shielding, minimizing electromagnetic interference (EMI) and simplifying circuit layout by reducing the need for external shielding.
• Robust Construction: Designed for through-hole mounting, offering a secure and reliable physical connection to the PCB, suitable for demanding industrial and power applications.

Typical Applications

The KH050-090A-H toroidal core is highly versatile and finds application in a wide array of electronic systems requiring efficient power management and signal integrity. One primary application is in Switch-Mode Power Supplies (SMPS), where it is used in output chokes and PFC (Power Factor Correction) inductors. Its high DC bias capability ensures stable inductance even with significant ripple currents, contributing to efficient power conversion and regulation. Another key area is in DC-DC Converters for various electronic devices, from consumer electronics to industrial equipment. The core’s ability to handle high flux densities allows for compact inductor designs that are crucial for miniaturization and efficiency in these converters. Furthermore, it is extensively used in EMI/RFI Filters, where its toroidal shape and magnetic properties effectively suppress unwanted electromagnetic noise, ensuring compliance with regulatory standards and improving system reliability. In Renewable Energy Systems, such as solar inverters and wind power converters, the KH050-090A-H core can be found in filter inductors and chokes, managing high currents and ensuring stable power delivery. Lastly, its robust performance makes it suitable for Automotive Electronics, particularly in power train and infotainment systems, where components must withstand harsh environmental conditions and provide consistent performance over long operational lifetimes.

In summary, the KH050-090A-H KDM High Flux Plus Toroid Core is a high-performance magnetic component engineered for demanding power applications. Its advanced material, precise dimensions, and robust design ensure reliable operation and efficient energy management across diverse electronic systems. This component is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt availability for your projects.

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