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
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.