Amorphous Core for Gapless Wideband Constant Inductance Filter Choke

Nanocrystalline cores are ideal for use in power electronics such as inverters, onboard chargers (OBC), DC/DC converters, and EMI filters, contributing to improved energy efficiency, reduced system size, and enhanced thermal stability in EV systems.  

High-performance nanocrystalline cores designed specifically for electromagnetic compatibility (EMC) applications across a wide range of electrical products with low core loss and over 80K initial permeability @1k Hz, 0.1V.   

High-performance nanocrystalline cores specifically designed for common mode chokes (CMC), which are used to suppress electromagnetic interference (EMI) and ensure compliance with EMC standards, comparing with ferrite core, the same function, smaller 1/3 and performance more stable.   

Dongguan JH Amorphous presents its High Current EMC Nanocrystalline Core, engineered to provide exceptional electromagnetic compatibility (EMC) performance in high-current applications. These cores are ideal for use in common-mode chokes, EMI filters, and power inductors, effectively suppressing conducted noise and ensuring compliance with stringent electromagnetic interference standards. Nanocrystalline cores provide significant advantages in terms of low core loss, high permeability, and excellent frequency characteristics, making them ideal for high-current and high-frequency applications.  

Dongguan JH Amorphous introduces its High Permeability Nanocrystalline Core for Inductor, specifically designed to enhance the performance of inductive components in various electronic applications. These cores are ideal for use in power inductors, DC-DC converters, EMI filters, and PFC chokes, offering superior magnetic properties that contribute to reduced core losses, compact designs, and improved overall efficiency.

Dongguan JH Amorphous introduces its Nanocrystalline Core for Precision Meter, engineered to meet the stringent requirements of high-accuracy metering applications. These cores are ideal for use in current transformers, energy meters, smart grid systems, and power monitoring equipment, offering superior magnetic properties that contribute to enhanced measurement precision, reduced core losses, and improved overall efficiency.

Dongguan JH Amorphous introduces its Nanocrystalline Core for Renewable Energy, engineered to meet the stringent requirements of high-efficiency power conversion in renewable energy systems. These cores are ideal for use in solar inverters, wind turbine generators, energy storage systems, and electric vehicle (EV) charging stations, offering superior magnetic properties that contribute to enhanced energy efficiency, reduced core losses, and improved overall system performance.

Dongguan JH Amorphous introduces its Nanocrystalline Core for Aerospace Applications, engineered to meet the stringent requirements of high-performance aerospace systems. These cores are ideal for use in electric propulsion systems, power electronics, communication equipment, sensors, and actuators, offering superior magnetic properties that contribute to enhanced efficiency, reduced weight, and improved overall system performance.

Dongguan JH Amorphous introduces its Nanocrystalline Core for Railway Applications, engineered to meet the stringent requirements of high-performance railway systems. These cores are ideal for use in electric traction systems, power electronics, communication equipment, sensors, and actuators, offering superior magnetic properties that contribute to enhanced efficiency, reduced weight, and improved overall system performance.

Dongguan JH Amorphous introduces its Nanocrystalline Core for Marine Applications, engineered to meet the stringent requirements of high-performance marine systems. These cores are ideal for use in marine power electronics, communication equipment, sensors, and actuators, offering superior magnetic properties that contribute to enhanced efficiency, reduced weight, and improved overall system performance.

High Performance | Low Loss | EMI-Optimized

The 1K107B nanocrystalline toroidal core (bare core dimensions: 12×8.35×12mm) is optimized for inrush current limiting and power line protection. With exceptional magnetic performance, this core delivers high initial permeability, low core losses, and thermal stability up to 140°C. Its compact structure and reliable inductive behavior make it the ideal magnetic solution for current limiting inductors in high-performance power electronics.

 Toroidal or C cores exhibit nanostructured grain sizes (12~20 μm), giving them a combination of high permeability, high saturation, and extremely low core loss—essential for precision medical power systems.    

High-performance cores for compact, efficient EMI and power filtering    

Reliable EMI Suppression with Robust Protection — Designed for Demanding Applications    

High-efficiency cores for compact voltage spike suppression and EMI noise filtering    

Made from Fe–Cu–Nb–Si–B nanocrystalline alloy, these cores offer ultra-high permeability, low coercivity, and a rectangular B-H curve. They provide stable, reliable performance with low core loss, making them ideal for precise voltage regulation and energy-efficient designs.  

Dongguan JH Amorphous offers high-performance iron-based amorphous cores specifically designed for power factor correction (PFC) inductors. These cores are made from Fe-based amorphous alloy with exceptional magnetic properties and low core loss characteristics, making them ideal for use in high-frequency switching applications. Featuring high saturation flux density (1.56 T), high resistance (130 μΩ·cm), and excellent thermal stability, these cores help improve energy efficiency, reduce system size, and provide enhanced thermal management for PFC circuits.  

Dongguan JH Amorphous offers high-performance iron-based amorphous cores for gapless wideband constant inductance filter chokes. These chokes are designed for use in smoothing filters, common mode noise filtering, and energy storage inductors in high-frequency circuits, switching power supplies, automotive audio systems, and other electronic devices. The iron-based amorphous alloy ensures high saturation magnetic flux density, low core losses, excellent frequency characteristics, and superior temperature stability, making it an ideal choice for applications that require consistent inductance performance over a wide frequency range.

Dongguan JH Amorphous offers high-performance iron-based amorphous cores, specifically designed as a superior alternative to silicon steel for a wide range of power applications. These cores are used in various forms of power transformers, inductors, and reactors across frequencies from 50Hz to 10kHz, with the ability to operate up to 50kHz in high-power switching applications. The amorphous cores provide significant advantages in terms of low core loss, high permeability, and excellent frequency characteristics, making them ideal for use in power distribution transformers, power factor correction inductors, high-power switching transformers, and other electrical components.

Bare core size: 4*2.5*2.5mm,  very compact,  easy assemble, direct put on transistor foot   Powerful. Designed for High-Performance Power Electronics Pass  EMI  Test faster  Improve thermal performance    

Maximize Efficiency with Advanced Nanocrystalline Technology   Our Nanocrystalline Cores are engineered for superior performance in Common Mode Chokes, providing an ideal solution for various demanding applications such as motor drives, EMI suppression, and power line filters. With exceptional magnetic properties and low core loss, these cores are designed to enhance the reliability and efficiency of your systems, delivering a significant advantage in power electronics and noise suppression.    

High-performance Fe-based Nanocrystalline Toroidal Core T14*9.5*5 with coating finish for choke coils and common mode chokes. Featuring high permeability (μi up to 80,000), Bs 1.25 T, low core loss, and wide working temperature range (–40 °C to 140 °C).