FeSiCr Soft Magnetic Alloy Powder
FeSiCr is a Fe-Si-Cr soft magnetic alloy powder featuring high permeability, high inductance, high saturation magnetic induction, high electrical resistivity, and low hysteresis loss. Widely used in electric drive devices, electronic controls, molded inductors, and metal magnetic powder cores in power electronics.
Product Specifications
Chemical Composition (wt%)
|
C |
Cr |
Si |
Fe |
O (Raw Powder) |
O (After Passivation) |
|
＜0.02 |
5.0-6.0 |
5.0-6.0 |
Bal. |
＜0.2 |
0.3-0.5 |
Physical Properties
|
Mesh |
D50 (μm) |
D90 (μm) |
Apparent Density (g/cm³) |
Tap Density (g/cm³) |
|
500① |
9-12 |
24-25 |
2.2-2.6 |
3.8-4.2 |
|
500② |
9-12 |
24-25 |
2.5-3.0 |
3.8-4.3 |
|
325 |
12-16 |
33-35 |
2.5-2.9 |
3.9-4.2 |
|
325-G |
16-20 |
43-44 |
2.6-3.1 |
4.0-4.3 |
|
150 |
60-70 |
120-130 |
3.0-3.5 |
3.8-4.2 |
500①: Water atomized | 500②: Water-gas combined atomized
Magnetic Properties
|
Mesh |
Compact Density (g/cm³) |
Q Factor |
Ls (μH) |
Saturation |
Permeability |
|
500① |
5.7 |
30 |
3.6-3.8 |
≤0.074 |
35-37 |
|
500② |
5.7 |
29 |
3.5-3.7 |
≤0.070 |
34-36 |
|
325 |
5.7 |
31 |
3.7-4.0 |
≤0.085 |
36-39 |
|
325-G |
5.8 |
30 |
3.9-4.2 |
≤0.12 |
38-40 |
|
150 |
5.9 |
29 |
4.0-4.4 |
≤0.15 |
— |
Test Conditions: Magnetic core powder weight 1.000g, binder content 3%, OD=10.73mm, ID=6mm, H=3-3.1mm, N=21 turns
Typical Applications
Molded inductors
Metal magnetic powder cores
Electric drives & electronic controls
Power converter magnetic cores
Product Photos
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