Mnzn Core
Ferrite cores used for audio and video electronics and switching power supplies-with excellent properties such as high saturation magnetic flux density,super low power loss and etc.a kind of product with output over whelms other kinds in the corporation.
Material Characteristic of soft Mnzn ferrite
Characteristic | Symbol | Unit\Material | R2KD | R2KBD | R2KB1 | R1.8KB | R1.4K | ||
Initial permeability |
|
250025% | 230025% | 180025% | 140025% | ||||
Effective saturation magnetic flux density |
Bs |
mT |
480 (800A/m) |
510 ( 1194A/m) |
510 ( 1194A/m) |
510 ( 1194A/m) |
485 ( 1600A/m) |
||
Effective retentivity |
Br |
mT | 120 | 117 | 95 | 170 | 190 | ||
Effective coercivity |
Hc |
A/m | 16 | 12 | 14.3 | 16 | 35 | ||
Core Less |
Pc |
KW/m3 | 16kHz150mT | 25 | 12* | ||||
60 | 11* | ||||||||
100 | 12* | 4.2* | |||||||
25kHz200mT | 25 | 130 | 120 | ||||||
60 | 90 | 80 | |||||||
100 | 100 | 70 | |||||||
100kHz200mT | 25 | 700 | 600 | ||||||
60 | 500 | 450 | |||||||
100 | 600 | 410 | 110* | ||||||
500kHz50mT | 25 | 130 | |||||||
60 | 80 | ||||||||
100 | 80 | ||||||||
Curie temperature |
Tc |
>200 | >230 | >215 | >240 | >240 | |||
Electrical resistivity |
|
1 | 10 | 6.5 | 3 | ||||
Density |
|
Kg/m3 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 |
Characteristic |
Symbol |
Unit |
R5K |
R7K |
R10K |
R13K |
Initial permeability |
|
|
550025% |
700025% |
1000025% |
1300025% |
Relative loss factor |
|
|
15(100kHz) |
7(10kHz) |
7(10kHz) |
7(10kHz) |
Effective saturation magnetic flux density |
Bs |
mT |
420(800A/m) |
400(800A/m) |
400(1194A/m) |
360(1194A/m) |
Effective retentivity |
Br |
mT |
150 |
90 |
90 |
100 |
Effective coercivity |
HcB |
A/m |
8 |
10.4 |
7.2 |
4.4 |
Temperature Factor of permeability |
1 |
|
0~1.5 |
0~2 |
-0.5~1.5 |
-0.5~1.5 |
|
20~60 |
20~55 |
20~70 |
20~70 |
||
Disaccommodation Factor |
DF |
|
3 |
3 |
2 |
2 |
Curie Temperature |
Tc |
|
>140 |
>125 |
>120 |
>110 |
Resistivity |
|
|
0.3 |
0.3 |
0.15 |
0.15 |
Density |
|
g/m3 |
4.9 |
4.9 |
4.9 |
4.9 |
Ferrite cores used for EMI suppression featuring wide frequency band and high impedance a kind of electronic components which can not be absent in the field related to electromagnetic compatibility.
Ferrite cores used for SMT featuring light weight,small size and low mounting height a kind of ferrite cores having boundless prospects.