| Cores for common mode chokes |  |
|
|
|
Applications:
common-mode EMI (electromagnetic interference) filters in power supplies.
General Properties:
High saturation induction (1.25 T)
High permeability,
High inductance (10 times more than ferrite)
Low core loss
Small core dimension (& light weight)
Excellent ability of anti-EMI (electromagnetic interference)
Excellent frequency characteristics
High stability against temperature
|
Cores table
|
Core Code
|
Core Dimension (mm)
|
Single-turn inductance£¨μH£©
|
|
ID
|
OD
|
H
|
|
CCMC-01
|
12
|
20
|
8
|
≥ 35
|
|
CCMC-02
|
12
|
20
|
10
|
≥ 40
|
|
CCMC-03
|
16
|
26
|
10
|
≥ 50
|
|
CCMC-04
|
20
|
32
|
10
|
≥ 35
|
|
CCMC-05
|
20
|
30
|
15
|
≥ 70
|
|
CCMC-06
|
20
|
32
|
15
|
≥ 50
|
|
CCMC-07
|
25
|
40
|
10
|
≥ 60
|
|
CCMC-08
|
25
|
40
|
15
|
≥ 90
|
|
CCMC-09
|
32
|
50
|
10
|
≥ 70
|
|
CCMC-10
|
40
|
59
|
10
|
≥ 80
|
Cores with customized dimensions are available upon request.
Typical properties
|
Core material
|
NR
|
|
Saturation induction BS (Tesla)
|
1.25
|
|
Curie temperature TC (oC)
|
> 570
|
|
Crystallization temperature TX (oC)
|
> 500
|
|
Saturation magnetostriction lS (ppm)
|
< 2
|
|
Remanence Br (Tesla)
|
0.5£0.8
|
|
Initial permeability mi¡¡(103)
|
> 80
|
|
Maximum permeability mm (103)
|
> 600
|
|
Coercivity HC (A/m)
|
< 2
|
|
Core loss P (20 kHz, 0.5 T) (W/Kg)
|
< 25
|
|
Core loss P (100 kHz, 0.2 T) (W/Kg)
|
< 70
|
|
Variation of core loss (-50 – 130 oC)
|
15%
|
|
|
