Datasheet

MAGNETIC PROPERTIES OF FERRITE MATERIALS
Material type
33
43
61
64
67
68
73
Initial
Permeability
600
800
125
250
40
20
2500
Maximum
Permeability
1380
3000
450
375
125
40
4000
Max Flux den.
@ 10 oer, (gauss)
2500
2750
2350
2200
3000
2000
4000
Residual Flux
density, (gauss)
1200
1300
1200
1100
1000
1000
1000
Vol. Resist.
(ohms-cm)
1 x 10
2
1 x 10
5
1 x 10
8
1 x 10
8
1 x 10
7
1 x 10
7
1 x 10
2
Temp. Coeff.
-20ºC - 70ºC
(%/ºC)
0.1%
1.25%
0.15%
0.15%
0.13%
0.06%
0.8%
Loss Factor
3 x 10
-6
@ .2 MHz
120 x 10
-6
@ 1 MHz
32 x 10
-6
@ 2.5 MHz
100 x 10
-6
@ 2.5 MHz
150 x 10
-6
@ 50 MHz
400 x 10
-6
@ .1 MHz
7 x 10
-6
@ .1 MHz
Coercive Force
(Oersteds)
0.6
0.45
1.6
1.4
3
10
0.18
Curie Temp. ºC
150
130
350
210
500
500
160
Resonant Cir.
Freq. (MHz)
.01 to
1 MHz
.01 to
1 MHz
.20 to
10 MHz
.05 to
4 MHz
10 to
80 MHz
80 to
180 MHz
1 KHz to
1 MHz
Wideband
Freq. (MHz *)
1 to
30 MHz
1 to
50 MHz
10 to
200 MHz
50 to
500 MHz
200 to
1000 MHz
.5 to
30 MHz
.2 to
15 MHz
Attenuation
RF Noise, (MHz)
20 to
80 MHz
30 to
200 MHz
300 to
10.000 MHz
200 to
5,000 MHz
Above
1,000 MHz
Above
10,000 MHz
1 to
40 MHz
* Based on low power, small core application, Listed Frequencies will be lower with higher power.
2-3
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