KM068-060A MPP Toroid Core 17.30×9.65×6.35 60µ

KM068-060A is a high-performance Molypermalloy Powder (MPP) toroid core manufactured by KDM, a reputable name in passive components. This specific magnetic core is designed to provide excellent energy storage capabilities and low core losses, making it an ideal choice for a wide range of power electronics applications. Toroid cores, characterized by their doughnut-like shape, offer superior magnetic shielding and efficient flux containment compared to other core geometries. The MPP material, a finely powdered alloy of nickel, iron, and molybdenum, is known for its distributed air gap properties, which contribute to its high saturation flux density and stable inductance over varying DC bias currents. KDM’s commitment to quality ensures that this core meets stringent performance requirements for demanding electronic circuits.

Key Specifications

The KM068-060A toroid core boasts several critical attributes that define its performance. The ‘Series’ designation as ‘MPP’ confirms its Molypermalloy Powder composition, indicating its suitability for applications requiring high energy storage and low losses. With a ‘Weight (g)’ of 0.638, it is a relatively lightweight component, which can be advantageous in weight-sensitive designs. The ‘Core Material’ being ‘MPP’ is fundamental, as it dictates the magnetic properties, including permeability and saturation characteristics. Its ‘Mounting Type’ is ‘Through Hole’, implying it is designed for traditional PCB mounting or direct winding applications. As a ‘Magnetic Core (Toroid)’, it functions as the central element around which windings are applied to form inductors or transformers. The ‘AL Value (nH/N²)’ of 43 represents the inductance factor, indicating the inductance achieved per turn squared, which is crucial for calculating the required turns for a specific inductance. A ‘Permeability (µ)’ of 60 signifies its magnetic responsiveness, influencing how easily magnetic flux is established within the material. The ‘Effective Area Ae (cm²)’ of 0.232 and ‘Effective Length le (cm)’ of 4.140 are geometric parameters used in magnetic circuit calculations to determine inductance and flux density. Its ‘Dimensions OD×ID×HT (mm)’ are 17.30×9.65×6.35, specifying the Outer Diameter, Inner Diameter, and Height, which are vital for mechanical fit and winding space. The ‘Effective Volume Ve (cm³)’ of 0.960 is another geometric parameter relevant for energy storage calculations. Finally, ‘Dimensions After Coating (mm)’ of 18.03×9.02×7.11 provide the final dimensions including any protective or insulating coating, essential for precise integration into assemblies.

Features and Benefits

• Stable Inductance: The MPP material provides excellent inductance stability over a wide range of operating temperatures and DC bias currents, ensuring reliable circuit performance.
• Low Core Losses: Designed for high efficiency, this core minimizes energy dissipation, making it ideal for power conversion applications where heat generation is a concern.
• High Saturation Flux Density: The core can handle significant magnetic flux before saturating, allowing for higher power handling capabilities and smaller component sizes.
• Distributed Air Gap: The inherent distributed air gap of MPP cores prevents localized saturation and offers a smoother rolloff of permeability, enhancing performance in high-frequency applications.
• Compact Toroidal Design: The toroid shape offers superior magnetic shielding and minimizes electromagnetic interference (EMI), contributing to cleaner power delivery and reduced noise.

Typical Applications

This KDM MPP toroid core, KM068-060A, finds extensive use across various demanding electronic applications due to its robust magnetic properties. One primary application is in DC-DC converters, particularly in output inductors and energy storage chokes, where its low core losses and stable inductance under DC bias are critical for efficient power conversion and ripple current reduction. Secondly, it is frequently employed in PFC (Power Factor Correction) chokes within power supplies, helping to improve the power factor and reduce harmonic distortion by providing the necessary inductance for energy storage and shaping the input current waveform. A third significant use case is in EMI/RFI filters, where the core’s ability to attenuate unwanted high-frequency noise makes it invaluable for ensuring electromagnetic compatibility in sensitive electronic systems. Furthermore, it is suitable for switching regulator inductors in various industrial and consumer electronics, where its high saturation flux density allows for smaller inductor sizes while maintaining high efficiency. Lastly, due to its excellent performance characteristics, it is also utilized in telecommunications equipment for filter inductors and transformers, ensuring signal integrity and reliable operation in communication networks.

Summary

The KM068-060A MPP Toroid Core from KDM is a high-quality magnetic component offering stable inductance, low losses, and high saturation characteristics. Its precise dimensions and advanced material properties make it suitable for a wide array of power and filtering applications. This essential component is readily stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt availability for your project needs.

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