Vikarsh Stampings India Private Limited

Vikarsh Stampings India Private Limited

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Nanocrystalline Toroidal Cores

Nano Crystalline Toroidal Cores

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Nano crystalline cores are Iron Based cores which is a specially developed soft magnetic material with low magneto striction, high permeability (150000), saturation flux density of 1.25t and working temperature of 120 degrees celcius and above. These materials are available in widths of 5mm to 40 mm in steps of 5 mm and thickness varying from 20 microns to 30 microns.

Major manufacturers of nano crystalline raw material are Hitachi Metals (japan) and Vacuum schmelze (Germany).

Because of its properties nano crystalline is slowly finding applications in GFI (Ground fault indicator) toroidal cores. And HMA (High Metering Accuracy) toroidal cores.

They are widely replacing Mu metal cores (NI FE) cores mainly because of its lower cost as compared to widely fluctuating Nickel prices.

Nano crystalline cores are very brittle and sensitive after annealing. Hence there is a need to encapsulate these cores by stainless steel casing or press board casing to avoid any changes in electrical values after winding, resin casting etc.

Density : 7.24/7.3 gms / cc
Filling Factor : 78%-80%
Permeability : 1,50,000
Saturation Induction : 1.25 T
Curie Temperature : 600 deg C
Max Operating Temperature : 150 deg C

Exciting Force Values
Bmax milliamp /cm
millitesla /Gauss  
10 (100gauss) 1
50 (500gauss) 3.19
100 (1000gauss) 5
200 (2000gauss) 7.13
300 (3000gauss) 8.5
500 (5000gauss) 10.6
700 (7000gauss) 14
900 (9000gauss) 15.03
1000 (10000gauss) 19
Max outside diameter: 800mm
Max height: 30 mm



Product Range

Mitred Transformer Lamination  |  Step Lap  |  Toroidal Cores (Ring Cores)  |  Core Frame Assemblies
Rectangular Strips in CRGO and CRNO  |  Slit Coil  |  Taping and Copper Winding  |  Nanocrystalline Toroidal Cores

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