KH050-040A-HP KH-HP Toroid Core 12.70×7.62×4.75 40µ

KH050-040A-HP is a high-performance toroid core manufactured by KDM, a reputable name in passive components. This magnetic core is specifically designed for applications requiring efficient energy storage and conversion, particularly in inductors, transformers, and chokes. Its toroidal shape offers superior magnetic coupling and reduced electromagnetic interference (EMI) compared to other core geometries, making it an ideal choice for compact and high-density electronic designs. The KH-HP series material ensures consistent performance across a range of operating conditions, providing engineers with a reliable foundation for their power management and signal processing circuits.

Key Specifications

This KDM KH-HP Toroid Core boasts several critical specifications that define its performance and suitability for various applications. The ‘Series’ designation, KH-HP, indicates its specific material composition and performance characteristics, optimized for particular frequency ranges and power levels. With a ‘Weight’ of 0.383 grams, this core is lightweight, contributing to the overall reduction in device mass, which is crucial for portable and space-constrained applications. The ‘Core Material’ being KH-HP signifies a specialized ferrite or powdered iron blend engineered for specific magnetic properties, such as low losses and stable permeability. Its ‘Mounting Type’ is ‘Through Hole’, implying it is typically integrated into PCBs by winding wire directly around the core, which then gets soldered into place. As a ‘Magnetic Core (Toroid)’, its fundamental function is to concentrate magnetic flux, enhancing inductance and efficiency in wound components. The ‘AL Value (nH/N²)’ of 18 is a crucial parameter representing the inductance per turn squared, allowing engineers to precisely calculate the required number of turns for a desired inductance. A ‘Permeability (µ)’ of 40 indicates how easily the material can be magnetized, directly influencing the inductance and magnetic field strength. The ‘Effective Area Ae (cm²)’ of 0.114 and ‘Effective Length le (cm)’ of 3.120 are geometric parameters used in magnetic circuit calculations to determine inductance and flux density. The ‘Dimensions OD×ID×HT (mm)’ of 12.70×7.62×4.75 specify the outer diameter, inner diameter, and height, respectively, providing critical information for mechanical design and winding considerations. The ‘Effective Volume Ve (cm³)’ of 0.356 is another geometric parameter used in power loss calculations. Finally, ‘Dimensions After Coating (mm)’ of 13.46×6.99×5.51 provide the physical size of the core once its protective coating has been applied, which is essential for final assembly and clearance planning.

Features and Benefits

• Optimized KH-HP Material: The core’s KH-HP material offers excellent magnetic properties, including stable permeability and low core losses, leading to higher efficiency in power conversion applications.
• Compact Toroidal Design: The toroidal shape inherently minimizes external magnetic fields, reducing EMI and cross-talk, which is vital for sensitive electronic circuits and high-density layouts.
• Precise Inductance Control: With an AL value of 18 nH/N², engineers can achieve accurate inductance values with fewer turns, simplifying design and reducing winding costs.
• Robust Mechanical Integration: Designed for through-hole mounting, this core provides a secure and reliable physical integration into printed circuit boards, ensuring long-term stability.
• Wide Application Versatility: Suitable for a broad range of frequencies and power levels, making it a versatile component for various electronic designs from consumer to industrial.

Typical Applications

This KDM KH-HP Toroid Core, with its precise magnetic properties and compact form factor, finds extensive use across numerous electronic applications:

• Switch-Mode Power Supplies (SMPS): Utilized in inductors and transformers within SMPS designs to achieve high efficiency and compact power conversion, crucial for modern electronics. The KH050-040A-HP helps in filtering and energy storage, ensuring stable power output.
• EMI/RFI Filters: Employed in common-mode and differential-mode chokes to suppress unwanted electromagnetic interference and radio-frequency interference, crucial for compliance with regulatory standards and reliable operation of sensitive equipment.
• DC-DC Converters: Essential components in buck, boost, and isolated DC-DC converter topologies, where they provide energy storage and voltage transformation, enabling efficient power management in battery-powered devices and automotive systems.
• Audio Amplifiers: Used in output inductors and power supply filtering sections of audio amplifiers to improve sound quality by reducing ripple and noise, ensuring clean power delivery to the amplifier stages.
• Telecommunications Equipment: Integrated into various circuits within telecommunication devices, such as line filters, matching transformers, and resonant circuits, to ensure signal integrity and efficient data transmission.

Summary

The KDM KH050-040A-HP Toroid Core is a high-quality, reliable magnetic component offering excellent performance for a wide array of electronic applications. Its carefully engineered KH-HP material and precise dimensions make it an ideal choice for designers seeking efficiency and stability. This product is readily stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt availability for your projects.

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