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Mu-metal wire is a high-permeability, nickel-iron alloy (
-
nickel) primarily used for magnetic shielding, but it is also applied in producing specialty, high-inductance components due to its high capacity to channel magnetic fields. Its exceptionally high initial permeability (
) makes it ideal for maximizing inductance, although it requires precise annealing to maintain magnetic properties.
Key Aspects of Mu-Metal in Inductors:
- Application: Used for high-permeability cores or to create customized, small-diameter magnetic shielding wires (e.g., 0.005" to 0.025" diameters).
- High Permeability (): It is specifically designed for low-intensity, low-frequency magnetic fields.
- High Inductance: It creates very high inductance because it is easily magnetized.
- Limitations: It does not hold magnetic saturation well under high DC current conditions compared to ferrite or iron powder cores, and it is expensive.
- Manufacturing: It is often perfection-annealed to achieve maximum attenuation and magnetic effectiveness.
For most power inductor applications, high-current, low-leakage metal composite cores are typically favored for their stability, whereas mu-metal excels in sensitive shielding applications.
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High Quality Soft Magnetic Mu Metal Wire Suppliers ...
Jiangsu Hongyun Precision Industry Co., Ltd.
https://www.hongertech.com › high-quality-soft-magne...
Jiangsu Hongyun Precision Industry Co., Ltd.
https://www.hongertech.com › high-quality-soft-magne...
Mu Metal Wire is used in the production of inductors and electrical transformers. It has one of the highest magnetic permeability ratings of any metal or alloy.Read more
MuMETAL® Deep Draw Annealed Coil
Magnetic Shield Corporation
https://www.magnetic-shield.com › mumetal-deep-draw...
Magnetic Shield Corporation
https://www.magnetic-shield.com › mumetal-deep-draw...
MuMETAL® Deep Draw Annealed Coil has proven stamping and forming properties. It is primarily used for high attenuation with low-intensity fields.
MuMetal Wire for Magnetic Shielding Applications
Less EMF
https://lessemf.com › Shop
Less EMF
https://lessemf.com › Shop
MuMetal Wire offers unparalleled magnetic shielding performance, designed for industrial and DIY applications needing precise EMI protection.Read more
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Mu metal as inductor core : r/ElectricalEngineering
Reddit · r/ElectricalEngineering
5 comments · 6 years ago
Reddit · r/ElectricalEngineering
5 comments · 6 years ago
The point of mu metal is that it's very easy to magnetize: if it doesn't take a lot of energy to magnetize, it wouldn't store much energy when ...Read more
MuMETAL® High Permeability Magnetic Shielding Alloy ...
mu-metal.com
http://www.mu-metal.com
mu-metal.com
http://www.mu-metal.com
Mu-Metal is a unoriented nickel-iron soft ferromagnetic alloy with very high permeability suitable for sensitive electronic equipment shielding.Read more
Missing: Wire Inductors
shielding signal inductors?
EEVblog
https://www.eevblog.com › forum › rf-microwave › shi...
EEVblog
https://www.eevblog.com › forum › rf-microwave › shi...
Dec 9, 2024 — There should be relatively little need for mu metal or amorthous material for shielding an inductor. There are different reasons for ...Read more
Mu-metal
Wikipedia
https://en.wikipedia.org › wiki › Mu-metal
Wikipedia
https://en.wikipedia.org › wiki › Mu-metal
Mu-metal, or μ-metal, is a soft nickel–iron ferromagnetic alloy with very high permeability, which is used for shielding sensitive electronic equipment ...Read more
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DigiKey
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Buy now, ships today. MU004-8 - RF EMI Absorbing/Shielding Sheet MuMETAL® Foil 8.000" (203.20mm) X 12.000" (304.80mm) X 0.004" (0.10mm) from MuMETAL®.
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