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
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Efficient Surge Protection
Effectively absorbs voltage spikes caused by switching operations, device startup, and shutdown, safeguarding sensitive electronic components.
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Outstanding EMI Noise Reduction
Filters high-frequency noise and electromagnetic disturbances, improving system electromagnetic compatibility (EMC).
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Consistent Performance
Provides stable suppression across a broad range of operating voltages and frequencies.
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Ultra-Compact Size
The miniature 4*2.5*4mm design fits perfectly into high-density PCB layouts and space-constrained electronic assemblies.
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High-Quality Core Material
Made from low-loss, high-permeability Fe-based nanocrystalline to ensure reliable high-frequency suppression characteristics.
Typical Applications
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Power Electronics
Inverters, power supplies, variable frequency drives (VFDs), and other systems requiring transient voltage and EMI protection.
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Communication Equipment
Enhances signal clarity and transmission stability by reducing electromagnetic interference.
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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.
Why Choose Dongguan JH Amorphous Surge Suppression Cores
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Precision manufacturing with consistent quality
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Space-saving design optimized for modern electronic systems
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Rapid prototyping and flexible production scalability
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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!
