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4*2.5*4mm Nanocrystalline Magnetic Bead for Surge Suppression

4*2.5*4mm Nanocrystalline Magnetic Bead for Surge Suppression

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

 

 

  • Item No :

    JHNT040204
  • Order(MOQ) :

    1000 PCS
  • Payment :

    T/T or L/C
  • Product Origin :

    China
  • Color :

    Blue, Green, Black or customized
  • Shipping Port :

    Shenzhen, China or Guangzhou, China
  • Lead Time :

    30 Working Days
  • Finish :

    Coating

Dongguan JH Amorphous’ 4*2.5*4mm Surge Suppression Cores are designed for excellent suppression of voltage transients and high-frequency electromagnetic interference (EMI) in compact electronic devices. Utilizing advanced material technology and precision toroidal geometry, these cores enhance system stability and extend the service life of electronic equipment. They are ideal for applications in power electronics, communication devices, and industrial automation.

 


       Specifications        

 

Saturation flux density induction 1.20T
Permeability @ 10KHz >80000
Permeability @ 100KHz >20000
Curie temperature 570 °C
Stacking factor 0.8
Resistivity 115 μΩ.cm
Working Temperature -40 ~ 140°C
Density 7.2 g / cm3
Ribbon Thickness 14 ~ 18 μm
Core shapes Troidal core
Finish Coating

 

 

        Key Features        

 

  • Efficient Surge Protection
    Effectively absorbs voltage spikes caused by switching operations, device startup, and shutdown, safeguarding sensitive electronic components.

  • Outstanding EMI Noise Reduction
    Filters high-frequency noise and electromagnetic disturbances, improving system electromagnetic compatibility (EMC).

  • Consistent Performance
    Provides stable suppression across a broad range of operating voltages and frequencies.

  • Ultra-Compact Size
    The miniature 4*2.5*4mm design fits perfectly into high-density PCB layouts and space-constrained electronic assemblies.

  • High-Quality Core Material
    Made from low-loss, high-permeability Fe-based nanocrystalline to ensure reliable high-frequency suppression characteristics.

 

        Typical Applications        

 

  • Power Electronics
    Inverters, power supplies, variable frequency drives (VFDs), and other systems requiring transient voltage and EMI protection.

  • Communication Equipment
    Enhances signal clarity and transmission stability by reducing electromagnetic interference.

  • Industrial Automation Systems
    Shields control devices and sensitive circuits from voltage surges and electrical noise.

 

 

        Custom Options        

 

Parameter Specification
 Outer Dimensions  4 ~130 mm
Core Material Fe-based Nanocrystalline  / Fe-based Amorphous 
Installation Type Through-hole 
Inductance & Impedance Customizable upon request
 
 

Customized sizes, inductance values, and coating types are available. Contact us for technical consultation and design support.

 

toroidal coating nanocrystalline coretoroidal cased nanocrystalline core

 

 

        Why Choose Dongguan JH Amorphous Surge Suppression Cores        

 

  • Precision manufacturing with consistent quality

  • Space-saving design optimized for modern electronic systems

  • Rapid prototyping and flexible production scalability

  • Full compliance with RoHS/REACH environmental regulations

 


 

        Certificates        

 

 

Dongguan JH Amorphous, a leading professional one-stop amorphous cores manufacturer.

We offer magnet solutions from design to worry-free after-sales. Let talk about your distinct project now!

 

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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