Fi 328 MnZn Ferrit ( i 1800)

B
B1
MAGNETIC MATERIAL + CORES
MAGNETIC MATERIAL
B1.1 FERROCARIT | FI 328
A low to medium frequency power material with high saturation flux density and low losses
for applications up to 0,2 MHz
SYM BOL
VALUE
U N IT
µi
1800 ± 25%
1
ta n δ / µ i
< 3 ,5
ηB
< 1
10
10
-6
-6
C O N D IT IO N S
≤ 0 ,2 5 m T
100 °C
2 5 °C ; 0 ,1 M H z
25 °C
≤ 0 ,2 5 m T
/ mT
2 5 °C ; 1 0 k H z
1000
≤ 1 ,5 m T to 3 m T
B
µ`µ``
2 5 °C ; 1 6 k H z
450
2 5 0 A /m
mT
1 0 0 °C ; 1 6 kH z
> 370
100 °C
100
2 5 0 A /m
2 5 °C ; 1 0 0 k H z
670
m W / cm ³
Pv
450
200 m T
1 0 0 °C ; 1 0 0 k H z
10
100
1 0 kH z
°C
µ`
µ``
25 °C
200 m T
260
Tc
Complex Permeability
10000
2 5 °C ; ≤ 1 0 k H z
1000
f / kHz
≤ 0 ,2 5 m T
Initial permeability µi as a function of temperature T
10000
Amplitude permeability µa
7000
5000
6000
4000
200 mT
100 mT
5000
50 mT
µi
µa
3000
300 mT
4000
2000
3000
1000
2000
f = 16 kHz
0
1000
0
50
100
150
T / °C
200
250
300
20
40
60
80
100
120
T / °C
Magnetization curves
Incremental permeability
10000
500
400
1000
µΔ
B / mT
300
200
100
100
25 °C
100 °C
Frequency: 10 kHz
Induction: ≤ 0,2 mT
0
10
-50
0
50
100
150
200
H / A/m
250
300
350
400
1
10
100
H_ / A/m
143
1000
B
B1
MAGNETIC MATERIAL + CORES
MAGNETIC MATERIAL
Spezific power loss Pv as a function of temperature T
Spezific power loss Pv as a function of frequency f
and induction B
10000
10000
200 mT
200 mT
1000
Pv / mW/cm³
Pv / mW/cm³
1000
100 mT
100
100 mT
50 mT
100
50 mT
10
10
25 °C
100 °C
f = 100 kHz
1
1
20
40
60
80
T / °C
100
120
140
10
100
f / kHz
Induction Bmax as a function of temperature T at 250 A/m
1000
Amplitude permeability µa
500
7000
450
6000
400
5000
300
4000
250
µa
Bmax / mT
350
3000
200
150
2000
100
1000
50
25°C
100°C
f = 16 kHz
0
0
0
20
40
60
80
100
T / °C
120
140
160
180
0
200
144
100
200
B / mT
300
400