Sweden
Crystalline Tape Wound Cores
Supplier: Magnetics Inc.
Technology type: Nickel Iron Alloys
High permeability alloys of non-oriented nickel-iron or grain-oriented silicon-iron, used in technical applications, mainly at low frequency, but also up to 40kHz for thinnest tapes.
Each of these materials has unique properties making them perfect in applications such as reactors, static magnetic devices, current transformers, magnetometers, flux gates, MagAmps.
Magnetics Inc has the expertise and experience and is one of few organisations developing and producing these materials. Tapes are produced in gauges from 0.013mm to 0.104mm. Cores are wound and high temperature annealed to adjust magnetic properties. The cores are available with outside diameters ranging from 11.13mm to 76.2mm and come either uncased, in non-metallic or aluminium cases, or Epoxy coated.
Range features
A high level overview of what this range offers
- Choice of materials with different composition and hence different remanence, permeability, saturation induction
- Tape thickness 0.013 – 0.104mm (Magnesil 0.052 – 0.104mm)
- Standard core size from 11.1 x 9.5 x 3.2mm to 88.8 x 63.5 x 12.7mm (OD x ID x H)
- 80%Ni-Fe with almost zero magnetostriction
- Standard case materials nylon and aluminium, or Epoxy coated (only Magnesil)
- Special shapes and sizes can be customised on demand
What's in this range?
All the variants in the range and a comparison of what they offer
|
|
Square orthonol |
48 Alloy |
Square permalloy 80 |
Round permalloy 80 |
Supermalloy |
Magnesil |
|---|---|---|---|---|---|---|
|
Composition |
50% Ni-Fe |
50% Ni-Fe |
80% Ni-Fe |
80% Ni-Fe |
80% Ni-Fe |
3% Si-Fe |
|
Saturation induction BS [T] at room temperature |
1,4 – 1,6 |
1,1 – 1,4 |
0,66 – 0,82 |
0,66 – 0,82 |
0,66 – 0,82 |
1,5 – 1,8 |
|
Hysteresis loop shapes |
Z |
Rounded Z |
Rounded Z |
R |
R |
Z |
|
Initial permeability µi (for R-loop) |
– |
– |
– |
20.000 – 50.000 |
40.000 – 100.000 |
– |
|
Special properties |
High squareness |
Lower coercivity and losses than orthonol |
Low losses among Z-loop cores |
- |
Very low losses, high permeability |
High saturation, for high temp |
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Within the Magnetics Products Technology Centre, we offer an array of services to help create customised solutions.
With the largest team of technical support specialists in Europe, we are at the forefront of a design led approach to delivering challenging and custom solutions for magnetic cores or components for production.
Whether your need is simple or complex, we can develop a solution to achieve your goals. With in- house experts we can design, develop and test prototypes that meet performance and environmental requirements of your application.
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