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Amorphous & Nanocrystalline Powders & Cores

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Amorphous & Nanocrystalline Powders 

Product

Amorphous Fe-Si-B powder

Nanocrystalline Fe-Cu-Nb-Si-B powder

Composition (at%)

75-80 Fe, 20-25 Si+B

0-1.0 Co, 0.5-1.5 Cu, 2-4 Nb, 20-25 Si+B, bal. Fe

Size (mesh)

100, 200, 300400

100, 200, 300400

Saturation Induction BS (Tesla)

1.5

1.2

Curie Temperature TC (oC)

420

570

Grain Coarsening Temperature (oC)

550

540

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T

Nanocrystalline Powders Cores
-- Magnetic properties

    Saturation induction BS: 1.2 T
    Curie temperature TC: ≥ 500 oC
    Effective permeability μe: 26 - 90
    Power loss: 190 mW/cm3 (at 100 kHz, 500 Gs, for μe = 60 cores)

 

-- Applications

    High-Power Switch Power Transformers/Inductance Filters/Voltage & Current Transformers
    PFC (Power Factor Correction) Inductors
    DC-DC Converters
    Output Indcutors


-- Comparison with other powder cores
    
Click here for details


-- Dimension and performance of nanocrystalline powder cores
    Click here for details

-- Typical magnetic curves
    Core loss vs. flux density
    Permeability vs. magnetizing force
    Permeability vs. frequency
    Change in permeability vs. temperature

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