|
Magnetic Properties of
Mn-Zn Ferrite Cores |
| Characteristics |
Unit |
R6hA |
R6hB |
R2KB |
R2KC |
R2KD |
R2KBD |
R5K |
R7K |
R10K |
Operation
frequency range |
MHz |
<2 |
<2 |
<0.4 |
<0.4 |
|
|
<0.2 |
<0.1 |
<0.1 |
initial ( i)
permeability |
|
600
+30%
-15% |
600
+30%
-10% |
2000
+20%
-20% |
2000
+15%
-25% |
2500
+25%
-25% |
2500
+25%
-25% |
5500
+25%
-25% |
7000
+25%
-25% |
10000
+25%
-25% |
Relative
loss factor
(tan  / i) |
x10-6 |
 25
0.7
MHz |
12
1
MHz |
5
100
KHz |
1.7
100
KHz |
|
|
15
100
KHz |
7
10
KHz |
7
10
KHz |
Relative
temperature
coefficient (
F) |
x10-6
/°C |
0–3
20°C
-60°C |
0–2
5°C
-45°C |
-0.26–1.5
20°C
-60°C |
0–1.5
0°C
-40°C |
|
|
0–1.5
20°C
-60°C
-55°C) |
0–3
(-30°C
–20°C)
0–2(20°C |
0–1.5
(-30°C
–70°C) |
Saturation
Flux density
(Bs) |
mT |
350
(800
A/m) |
400
(800
A/m) |
350
(800
A/m) |
400
(800
A/m) |
480
(800
A/m) |
510
(800
A/m) |
420
(800
A/m) |
400
(800
A/m) |
400
(800
A/m) |
| Remanence (Br)
|
mT |
|
|
|
|
120 |
117 |
150 |
90 |
90 |
| Coercivity (Hc)
|
A/m |
80 |
80 |
20 |
10 |
16 |
12 |
8 |
10.4 |
7.2 |
Discommodation
factor (DF) |
x10-6 |
50 |
15 |
8 |
3 |
|
|
3 |
3 |
2 |
| Power loss (PI) |
0-3
20°C
60°C
100°C |
|
|
|
|
12(1)
11(1) |
34(2)
24(2)
32(2) |
|
|
|
Curie
Temperature (Tc) |
°C |
>200 |
>200 |
>180 |
>180 |
>200 |
>230 |
>140 |
>125 |
>120 |
| Resistivity (P)
|
 .cm |
500 |
500 |
100 |
100 |
100 |
1000 |
30 |
3 |
15 |
| Density (d)
|
g/cm3 |
4.6 |
4.6 |
4.7 |
4.7 |
4.8 |
4.8 |
4.9 |
4.9 |
4.9 |
