Fe 896 ( i 140)

B
B1
MAGNETIC MATERIAL + CORES
MAGNETIC MATERIAL
B1.1 FERROCART | FE 896
A material with high thermal and temporal stability, for high AC amplitudes or high premagnetization.
For use in power applications (e.g. loading coils, noise suppression)
SYMBOL
VALUE
UNIT
µi
140 ± 15%
1
tanδ / µi
1200
10
µa
270
1
CONDITIONS
Initial permeability µi as a function of frequency f
160
25°C ; ≤ 10 kHz
≤ 0,25 mT
-6
140
25°C ; 0,16 MHz
≤ 0,25 mT
120
1 kHz
100
500 mT
2000 A/m
1
µΔ
80
µi
25°C ; 10 kHz
90
60
25°C ; 10 kHz
45
40
5000 A/m
aF
< 10
Tmax
200
-6
10
/K
20
25°C - 70°C
≤ 10 kHz; ≤ 0,25 mT
0
10
°C
Incremental permeability µΔ as a function of
premagnetization H
100
f / kHz
1000
Amplitude permeability µa as a function of induction Bs
300
160
250
140
120
200
150
80
µa
µΔ
100
60
100
40
50
20
f = 1 kHz
ΔB = 2 mT
0
0
100
1000
H_ / A/m
10
10000
Magnetization curves
100
Bs / mT
1000
Amplitude permeability µa as a function of
magnetic field strength Hs
2000
300
1800
1600
250
1400
200
B / mT
1200
1000
µa
150
800
100
600
400
50
200
0
-5000
f = 1 kHz
0
5000
10000 15000
H / A/m
20000
25000
0
100
30000
183
1000
Hs / A/m
10000
B
B1
MAGNETIC MATERIAL + CORES
MAGNETIC MATERIAL
Unipolar losses (20% ripple)
Unipolar losses (30% ripple)
1000
1000
100 kHz
75 kHz
50 kHz
75 kHz
Pv / mW/cm³
Pv / mW/cm³
100 kHz
50 kHz
100
25 kHz
10
1000
2000
3000
H_ / A/m
4000
10
1000
5000
Spezific power loss Pv as a function of frequency f
and induction Bs
kH
z
10
0
kH
z
1000
kH
z
40
10
Pv / mW/cm³
10000
100
10
10
100
Bs / mT
25 kHz
100
1000
184
2000
3000
H_ / A/m
4000
5000