Characteristics:
-Low oxygen content -Low core loss -Excellent DC bias -Stable performance
Typical properties of core powders:
Mark
Process
Permeability
Flowability (s/50g)
A.D. (g/cm)
O2 Content (PPM)
Mean Particle Size(µm) D50
HF-w
Water atomization
60~120
<25
>4.2
<2000
40~48
MPP-w
125~220
FeSi-w
20~90
<30
>3.3
<3000
45~55
FeSiCr-w
20~60
---
>3.2
11~20
Amorphous
>3.5
<2500
32~40
HF-g
Gas atomization
60~125
<20
>4.8
<600
55~65
MPP-g
FeSiNi-g
FeSi-g
<500
50~60
Grade
Core Loss** kW/m3
DC Bias** Oe
u VS. T% (-55~125℃)
uVS.F*** MHz
Amorphouse
60
400~600
85~100
2~2.5
10
260~350
100
0.6
2.7
150
1.6
1.2
750~850
140
8
6.5
Specification
FeCoNi
<15
>4.9
<400
variety of particle size, such as:-50+80,-80+150,-150+250mesh
EdCo
FeCr
<300