Soft Ferrite Core

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% 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

Ferrite cores used for traditional analog communication and modern digital communication featuring stable properties and high  liability.

Material Characteristic of High permeability Mnzn ferrite material

 
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.


 
 
Home

Copy Right 2001 YUXIANG Magnetic Materials Ind. Co.,Ltd. All Rights Reserved
Add :F/16, Jinyuan plaza, # 57 South Hubin.Road, Xiamen, CHINA 361004
Tel : (86)592 2295387 (86)592 2217138 Fax: (86)592 2207122
Email : yingli@magnets.com.cn   mag@e-magnet.cn