KAM130-019A-HP KAM-HP Toroid Core 33.00×19.90×10.70 19µ

KAM130-019A-HP is a high-performance toroid core manufactured by KDM, a reputable name in passive components. This magnetic core is specifically designed to provide superior inductive properties, making it an essential component in various power electronics and EMI/RFI filtering applications. As part of the KAM-HP series, it utilizes advanced core materials to ensure optimal performance, efficiency, and reliability in demanding circuit designs. Its toroidal shape inherently offers excellent self-shielding characteristics, minimizing external magnetic interference and enhancing overall circuit stability. This particular core, with its precise dimensions and specified AL value, is engineered to meet stringent requirements for inductors, transformers, and chokes, contributing significantly to the miniaturization and improved performance of modern electronic devices.

Key Specifications

The attributes of the KAM130-019A-HP toroid core are critical for understanding its application and performance: * **Series: KAM-HP** – This designates the core as belonging to KDM’s High-Performance series, indicating it’s engineered for demanding applications requiring excellent magnetic properties and efficiency. * **Weight (g): 2.930** – The relatively low weight of 2.930 grams makes this core suitable for applications where minimizing overall device weight is important, without compromising magnetic performance. * **Core Material: KAM-HP** – The core material itself is a proprietary KAM-HP formulation, optimized for specific frequency ranges and power handling capabilities, ensuring low losses and high efficiency. * **Mounting Type: Through Hole** – This indicates that the core is designed to be mounted using through-hole techniques, typically involving winding wires directly through the core and securing it to a PCB or chassis. * **Component Type: Magnetic Core (Toroid)** – This clearly identifies the component as a toroidal magnetic core, a fundamental building block for inductors, transformers, and chokes due to its closed magnetic path. * **AL Value (nH/N²): 19** – The AL value, or inductance factor, of 19 nH/N² specifies the inductance (in nanohenries) generated per turn squared. This is crucial for designers to calculate the precise number of turns needed to achieve a desired inductance. * **Permeability (µ): 19** – A permeability of 19 indicates the material’s ability to support the formation of a magnetic field within itself. This value is fundamental in determining the core’s inductive properties and its suitability for specific frequency ranges. * **Effective Area Ae (cm²): 0.672** – The effective cross-sectional area of the core, 0.672 cm², is used in magnetic calculations to determine flux density and energy storage capabilities, directly impacting the core’s power handling capacity. * **Effective Length le (cm): 8.150** – The effective magnetic path length, 8.150 cm, is another critical parameter for magnetic circuit calculations, influencing inductance and saturation characteristics. * **Dimensions OD×ID×HT (mm): 33.00×19.90×10.70** – These are the precise outer diameter (OD), inner diameter (ID), and height (HT) of the core in millimeters, essential for mechanical design and winding considerations. * **Effective Volume Ve (cm³): 5.480** – The effective volume of 5.480 cm³ is important for thermal management and energy storage calculations, providing insight into the core’s overall size and capacity. * **Dimensions After Coating (mm): 33.83×19.30×11.61** – These dimensions account for the protective coating applied to the core, which is vital for final product design, ensuring proper fit and insulation in assembled devices.

Features and Benefits

* **Optimized Magnetic Performance:** The KAM-HP core material provides low core losses and high efficiency, especially beneficial in power conversion applications where energy conservation is paramount. * **Compact Toroidal Design:** The toroidal shape offers a closed magnetic path, minimizing leakage flux and external electromagnetic interference, leading to more stable and reliable circuit operation. * **Precise Inductance Control:** With a specified AL value of 19 nH/N², designers can accurately achieve desired inductance levels by carefully selecting the number of turns, simplifying circuit tuning. * **Robust Construction:** The durable core material and protective coating ensure long-term reliability and mechanical stability, even in challenging operating environments. * **Versatile Application Range:** Suitable for a broad spectrum of applications, from power supplies and DC-DC converters to EMI/RFI filters, offering design flexibility.

Typical Applications

* **Switch-Mode Power Supplies (SMPS):** The KAM130-019A-HP core is ideal for use in inductors and transformers within SMPS designs, where its low loss characteristics contribute to higher efficiency and reduced heat generation, crucial for compact and powerful adapters and converters. * **DC-DC Converters:** In various DC-DC converter topologies (e.g., buck, boost, flyback), this toroid core can form the heart of energy storage inductors or isolation transformers, enabling efficient voltage regulation and power delivery in automotive, industrial, and consumer electronics. * **EMI/RFI Filters:** Due to its excellent magnetic properties and self-shielding toroidal form, it is highly effective in common-mode and differential-mode chokes for EMI/RFI filtering. This helps suppress unwanted electromagnetic noise, ensuring compliance with regulatory standards and improving signal integrity in sensitive electronic systems. * **Power Factor Correction (PFC) Circuits:** In PFC circuits, the core can be utilized in boost inductors to improve the power factor of AC-DC converters, reducing harmonic distortion and increasing the efficiency of power utilization in appliances and industrial equipment. * **Audio Amplifiers and Crossover Networks:** While less common than power applications, these cores can be employed in high-quality audio amplifiers for output inductors or in passive crossover networks for loudspeakers, where precise inductance and low distortion are valued for superior sound reproduction.

Summary

The KAM130-019A-HP toroid core from KDM is a high-performance magnetic component offering excellent characteristics for a wide array of electronic applications. Its robust design, precise magnetic properties, and versatile nature make it an indispensable choice for engineers seeking reliable and efficient solutions. This product, along with a comprehensive range of other electronic components, is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt availability for your design and manufacturing needs.

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