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Toroidal Cased Nanocrystalline Cores

Toroidal Cased Nanocrystalline Cores

Reliable EMI Suppression with Robust Protection — Designed for Demanding Applications

 

 

  • Order(MOQ) :

    1000 PCs or Sets
  • Payment :

    T/T / L/C
  • Product Origin :

    China
  • Color :

    Black, White or customized
  • Shipping Port :

    Shenzhen, China or Guangzhou, China
  • Lead Time :

    30 working days
  • Finish :

    Casing

Dongguan JH's Toroidal Cased Nanocrystalline Cores combine high magnetic performance with mechanical robustness, making them the preferred choice for demanding industrial, automotive, and power electronics environments. With nanocrystalline material offering ultra-high permeability and low losses, and a precision-molded case for insulation and handling, these cores are optimized for compact, high-reliability filtering applications.

 

What Are Toroidal Cased Nanocrystalline Cores?

 

These are high-performance nanocrystalline toroidal cores housed in an insulating plastic case. The casing provides mechanical protection and insulation, making them safer and easier to handle — ideal for engineers working with compact or harsh environments.

 

 


 

 Why  Prefer This Core

 

  • Easy to Mount
    Pre-cased options with pins or leads are plug-and-play for PCBs or assemblies — no additional sleeving or wrapping needed.

  • Superior EMI Filtering
    Nanocrystalline material offers ultra-high permeability, effectively attenuating common-mode noise across a wide frequency range.

  • Enhanced Electrical Insulation
    The case ensures high dielectric strength, enabling safe operation even in high-voltage or dense component layouts.

  • Built for Harsh Conditions
    With an operating temperature range from –40°C to +140°C, these cores are suited for industrial and automotive-grade systems.

  • Low Core Loss, High Efficiency
    Maintains excellent performance under high-frequency switching — ideal for power electronics.

 


 

Common Applications

 

  • EV onboard chargers (OBC) and DC/DC converters

  • Telecom and server power supplies

  • Solar inverters and energy storage systems

  • Industrial drives and servo motors

  • EMC common mode/differential mode filters

 

 


 

Key Specifications

 

Parameter Typical Range
Outer Diameter Ø13mm to Ø130mm
Core Material Fe-based Nanocrystalline Alloy
Case Structure Fully enclosed Toroidal housing / Customize housing
Operating Temperature –40°C to +140°C
Effective Permeability (μe) 20,000 – 100,000
Dielectric Strength ≥ 2.5kV (depends on model)

 

Custom pinouts, housing colors, and branding options available.


 

 Support from Dongguan JH

 

  • Fast prototyping and mechanical customization

  • 3D drawings, datasheets, and compliance reports (RoHS/REACH)

  • Small-batch flexibility for diverse projects

  • Direct engineering support to streamline your design cycle


 

Looking for samples or design advice?
Our application engineers are ready to help.

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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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