KAM250-090A Nanodust Toroid Core 62.00×32.60×25.00 90µ

KAM250-090A is a high-performance Nanodust Toroid Core manufactured by KDM, a reputable name in passive components. This magnetic core is specifically designed for use in various power electronics applications, offering superior magnetic properties due to its advanced Nanodust material. Toroid cores are fundamental components in inductors, transformers, and chokes, providing a closed magnetic path that minimizes flux leakage and enhances efficiency. The KAM250-090A, with its precise dimensions and optimized permeability, is engineered to deliver reliable performance in demanding environments, making it an ideal choice for engineers and designers seeking robust magnetic solutions.

Key Specifications

The KAM250-090A core boasts several critical specifications that define its performance and suitability for various applications:

• Series: Nanodust – This indicates the core belongs to KDM’s advanced Nanodust series, known for its high saturation flux density and low core losses, especially at higher frequencies and temperatures. This material offers significant advantages over traditional ferrite or iron powder cores in power applications.
• Weight (g): 7.730 – The relatively light weight of 7.730 grams is important for applications where overall system weight is a concern, while still indicating a substantial core for effective magnetic performance.
• Core Material: Nanodust – Reinforces the use of Nanodust material, which is a specialized composite material offering a unique combination of high permeability, low core loss, and excellent DC bias characteristics. This makes it highly effective in energy storage and filtering applications.
• Mounting Type: Through Hole – While the core itself is typically mounted on a PCB using leads wound around it, the ‘Through Hole’ designation here refers to the common method of integrating components into a circuit board where the core’s windings would pass through holes.
• Component Type: Magnetic Core (Toroid) – Clearly identifies the product as a toroid-shaped magnetic core, which is characterized by its donut-like shape. This geometry provides a superior closed magnetic path, minimizing electromagnetic interference (EMI) and maximizing inductance per turn.
• AL Value (nH/N²): 288 – The AL value, or inductance factor, represents the inductance in nanohenries per square of turns. An AL value of 288 nH/N² means that for a given number of turns (N), the inductance (L) will be L = AL * N². This is a crucial parameter for calculating the required turns for a specific inductance.
• Permeability (µ): 90 – Permeability is a measure of how easily a magnetic material can support the formation of a magnetic field within itself. A permeability of 90 indicates a good balance between high inductance and resistance to saturation, suitable for various power filtering and energy storage applications.
• Effective Area Ae (cm²): 3.675 – The effective cross-sectional area of the core, critical for calculating the magnetic flux density and ensuring the core does not saturate under operating conditions. A larger Ae allows for higher power handling.
• Effective Length le (cm): 14.370 – The effective magnetic path length, used in conjunction with Ae to determine the core’s magnetic characteristics.
• Dimensions OD×ID×HT (mm): 62.00×32.60×25.00 – These are the precise outer diameter (OD), inner diameter (ID), and height (HT) of the core in millimeters. These dimensions are vital for mechanical design, ensuring the core fits within the intended physical space and allows for adequate winding.
• Effective Volume Ve (cm³): 52.810 – The effective volume of the core material, which is directly related to the core’s energy storage capability and power handling capacity.
• Dimensions After Coating (mm): 63.10×31.37×26.27 – These dimensions account for any protective coating applied to the core, which is important for final assembly and ensuring proper clearance and insulation.

Features and Benefits

• Advanced Nanodust Material: Offers superior magnetic properties including high saturation flux density and low core losses, enabling higher efficiency and reduced heat generation in power conversion applications.
• Optimized Permeability (90µ): Provides an excellent balance for various power applications, allowing for efficient energy storage and filtering without premature saturation.
• Robust Toroidal Geometry: The closed magnetic path of the toroid minimizes flux leakage and electromagnetic interference (EMI), leading to cleaner power delivery and improved system reliability.
• Precise Dimensional Control: Manufactured to exact specifications (62.00×32.60×25.00 mm), ensuring consistent performance and ease of integration into existing designs.
• High AL Value (288 nH/N²): Facilitates the design of compact inductors and transformers with fewer turns, saving space and reducing winding losses.

Typical Applications

• Power Factor Correction (PFC) Chokes: The KAM250-090A is highly suitable for use in PFC circuits, where its low core loss and good DC bias characteristics help improve power quality and efficiency in AC-DC power supplies for servers, industrial equipment, and lighting.
• DC-DC Converters: Ideal for inductor applications in buck, boost, and buck-boost converters found in telecommunications, automotive electronics, and renewable energy systems, providing stable energy storage and ripple current filtering.
• Output Inductors for SMPS: Used as output inductors in Switch Mode Power Supplies (SMPS) to smooth the output current and voltage, ensuring clean and stable power delivery to sensitive electronic loads in consumer electronics, computing, and industrial control.
• EMI/RFI Filters: The excellent magnetic properties of the Nanodust material make this core effective in common mode and differential mode chokes for EMI/RFI filtering, reducing electromagnetic noise in power lines and improving system compliance with EMC standards.
• Energy Storage Inductors: Employed in various energy storage applications where high current handling and efficient energy transfer are critical, such as in uninterruptible power supplies (UPS) and battery charging systems.

The KAM250-090A Nanodust Toroid Core from KDM is a reliable and high-performance component for demanding power electronics designs. Cirkit Electro Components, Mumbai, proudly stocks and ships this essential magnetic core across India, ensuring prompt delivery for your project needs.

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