Fe 893 ( i 110)

B
B1
MAGNETIC MATERIAL + CORES
MAGNETIC MATERIAL
B1.3 FERROCARIT | FE 893
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 coils)
SYMBOL
VALUE
UNIT
µi
110 ± 15%
1
tanδ / µ i
1400
10
µa
210
1
CONDITIONS
Initial permeability µi as a function of frequency f
120
25°C ; ≤ 10 kHz
≤ 0,25 mT
-6
≤ 0,25 mT
80
1 kHz
µi
500 mT
25°C ; 10 kHz
88
2000 A/m
1
µΔ
100
25°C ; 0,16 MHz
40
25°C ; 10 kHz
50
5000 A/m
aF
≤ 18
Tmax
200
10
-6
/K
60
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
250
120
200
100
150
µa
µΔ
80
60
100
40
50
20
ΔB = 2 mT
0
100
f = 1 kHz
0
1000
H_ / A/m
10000
10
Magnetization curves
1000
Amplitude permeabilität µa as a function of
magnetic field strength Hs
2000
250
1800
1600
200
1400
1200
150
1000
µa
B / mT
100
Bs / mT
800
100
600
400
50
200
0
-5000
f = 1 kHz
0
5000
10000 15000
H / A/m
20000
25000
0
100
30000
185
1000
Hs / A/m
10000
B
B1
MAGNETIC MATERIAL + CORES
MAGNETIC MATERIAL
Unipolar losses (20% ripple)
Unipolar losses (30% ripple)
10000
10000
100 kHz
Pv / mW/cm³
100 kHz
75 kHz
50 kHz
100
1000
Pv / mW/cm³
1000
25 kHz
10
1000
2000
3000
H_ / A/m
4000
Specific power loss Pv as a function of frequency f
and induction Bs
kH
kH
z
10
0
10
kH
z
40
Pv / mW/cm³
z
10000
1000
100
10
10
100
Bs / mT
50 kHz
25 kHz
100
10
1000
5000
1000
186
75 kHz
2000
3000
H_ / A/m
4000
5000