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| 功率铁氧体材料特性Power Ferrite material characteristics |
| 特性 |
|
|
单位 |
NP29 |
NP39 |
NP49 |
NP49A |
| Characteristics |
|
| 初始磁导率μi(10KHz) |
|
25℃ |
/ |
2500 |
2500 |
2300 |
2300 |
| Initial permeability |
|
±25% |
±25% |
±25% |
±25% |
| 饱合磁通密度Bs |
|
25℃ |
mT |
510 |
510 |
510 |
510 |
| Saturation magnetic flux |
|
| density H=(1194a/m) |
|
100℃ |
390 |
390 |
390 |
390 |
| 剩磁Br Remanence |
|
25℃ |
mT |
115 |
110 |
110 |
110 |
| |
100℃ |
65 |
60 |
60 |
60 |
| 矫顽力HC Coercivity |
|
25℃ |
a/m |
15 |
12 |
12 |
13 |
| |
100℃ |
12 |
10 |
10 |
8 |
| 功率损耗 |
25KHz |
25℃ |
Kw/m3 |
150 |
130 |
120 |
\ |
| Pcv |
200mT |
100℃ |
Kw/m3 |
125 |
110 |
60 |
\ |
| 100KHz |
25℃ |
Kw/m3 |
700 |
650 |
550 |
\ |
| Power loss |
200mT |
100℃ |
Kw/m3 |
550 |
500 |
450 |
\ |
| 电阻率ρ |
|
|
Ω*m |
6 |
6 |
5 |
5 |
| Electrical resistivity |
|
| 居里温度Tc |
|
|
℃ |
≥220 |
≥220 |
≥220 |
≥215 |
| Curie temperature |
|
| 密度d Density |
|
|
kg/m3 |
4.8×103 |
4.8×103 |
4.9×103 |
4.9×103 |
| 高磁导率铁氧体材料特性High permeabilitymaterial characteristics |
| 特性 |
单位 |
NH3.5 |
NH5 |
NH7 |
NH10 |
| Characteristics |
Unit |
| 初始磁导率 |
/ |
3500 |
5000 |
7000 |
10000 |
| Initial permeability |
±25% |
±25% |
±25% |
±25% |
| 比损耗因子 |
×10-6 |
15 |
15 |
20 |
7.5 |
| Tgs/mirelative loss factor |
100KHz |
100KHz |
100KHz |
10KHz |
| 初始导磁率比温度系数 |
×10-6 |
/ |
-0.5~2.0 |
-0.5~2.0 |
-0.5~2.0 |
| Relative temperature |
| coeffici-ent |
20℃~60℃ |
20℃~60℃ |
20℃~60℃ |
| of initial permeability |
/℃ |
| 饱合磁通密度Bs |
mT |
450 |
410 |
400 |
380 |
| Saturation magnetic flux |
| density 1194a/m 25℃ |
| 剩磁Br Remanence 25℃ |
mT |
100 |
100 |
90 |
80 |
| 矫顽力HC Coercivity 25℃ |
a/m |
5 |
5 |
5 |
5 |
| 电阻率ρ |
Ω*m |
1 |
0.5 |
0.3 |
0.2 |
| Electrical resistivity |
| 居里温度Tc |
℃ |
≥190 |
≥150 |
≥125 |
≥120 |
| Curie temperature |
| 密度d Density |
kg/m3 |
4.8×103 |
4.8×103 |
4.9×103 |
4.9×103 |
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