EMC Common Mode Choke cores（LLE-CM）
EMC Common Mode Choke cores（LLE-CM）
1.Features
- High initial permeability and high AL value
- High effective insertion loss and excellent noise suppression
- Wide frequency range, large adjustable range for permeability（µ0）from 20000～160000
- Low core loss，small choke size for volume and weight with epoxy coating
2.Application
- Switched-mode Power supplies
- EMI common mode fliter
3.Properties:
| Nanocrystalline cores | Ferrite cores | |
| Saturation magnetic induction Bs（T） | ≥1.20T | 0.4 |
| Curie temperature（℃） | ≥560 | 170 |
| Saturation magnetism flexible coefficient（×10-6） | <2 | 4 |
| Operating Temperature Range | -55—130℃ | <80℃ |
| Initial permeability µ0 | 20000－160000 | 2000 |
| Coercivity A/m | <1.6 | 30 |
| High frequency core lose P(20KHZ.0.2T) | 3.4 | 7.5 |
4.Specifications and electric parameters:
|
Part No. |
Core dimensions(mm) OD×ID×H |
Finished dimensions(mm)
|
lFe (cm) |
AFe (cm2) |
AL※ |
Type of finish |
|||
|
OD |
ID |
Ht |
10K nominal |
100K nominal |
|||||
|
1 |
7.2×4.5×3.0 |
8.0 |
3.5 |
4.5 |
1.81 |
0.03 |
12 |
– |
Plastic case |
|
2 |
9.8×6.5×4.5 |
11.2 |
5.1 |
5.7 |
2.56 |
0.06 |
22 |
5 |
Plastic case |
|
3 |
10×6.5×5.0 |
11.2 |
5.1 |
6.5 |
2.59 |
0.07 |
24 |
– |
Plastic case |
|
4 |
12×8.0×4.5 |
13.5 |
6.5 |
6.5 |
3.14 |
0.07 |
25 |
– |
Plastic case |
|
5 |
14×10×5.0 |
15.5 |
8.5 |
6.8 |
3.77 |
0.08 |
21 |
– |
Plastic case |
|
6 |
16×10×8 |
17.2 |
8.5 |
10 |
4.08 |
0.19 |
40 |
– |
Plastic case |
|
7 |
20×12×8 |
22.3 |
10 |
10.3 |
5.03 |
0.25 |
45 |
– |
Plastic case |
|
8 |
20×12×8 |
22.3 |
10 |
10.3 |
5.03 |
0.25 |
20 |
9 |
Plastic case |
|
9 |
16×12.5×6 |
≤17.8 |
≥10.7 |
≤8.0 |
4.48 |
0.08 |
16 |
5.3 |
Epoxy coated |
|
10 |
26×16×10 |
27.5 |
14.0 |
12.5 |
6.60 |
0.39 |
65 |
15 |
Plastic case |
|
11 |
21×16.5×12 |
22.8 |
14.6 |
15 |
5.89 |
0.21 |
– |
7.5 |
Plastic case |
|
12 |
28×18×15 |
30.2 |
16.0 |
17.6 |
7.23 |
0.59 |
60 |
– |
Plastic case |
|
13 |
25×20×10 |
27.8 |
18 |
12.7 |
7.07 |
0.20 |
30 |
7 |
Plastic case |
|
14 |
30×20×15 |
33.1 |
17.8 |
17.5 |
7.85 |
0.59 |
70 |
– |
Plastic case |
|
15 |
32×20×10 |
34 |
17.8 |
12.5 |
8.17 |
0.47 |
45 |
– |
Plastic case |
|
16 |
40×25×10 |
42.5 |
22.5 |
13.0 |
10.21 |
0.59 |
50 |
– |
Plastic case |
|
17 |
40×25×15 |
43.2 |
21.9 |
18.9 |
10.21 |
0.88 |
70 |
– |
Plastic case |
|
18 |
40×32×15 |
44.3 |
29.2 |
18.6 |
11.31 |
0.47 |
45 |
7 |
Plastic case |
|
19 |
40×32×15 |
≤43.5 |
≥28.5 |
≤17.8 |
11.31 |
0.47 |
14 |
7.2 |
Epoxy coated |
|
20 |
50×32×15 |
53.2 |
29.0 |
18.2 |
12.88 |
1.05 |
60 |
– |
Plastic case |
|
21 |
50×32×20 |
53.2 |
29.5 |
23.5 |
12.88 |
1.40 |
80 |
– |
Plastic case |
|
22 |
50×40×20 |
≤53.5 |
≥36.5 |
≤22.8 |
14.14 |
0.78 |
30 |
10 |
Epoxy coated |
|
23 |
50×40×25 |
53.4 |
36.2 |
28.3 |
14.14 |
0.98 |
62 |
12 |
Plastic case |
|
24 |
60×40×20 |
63 |
37 |
24 |
15.71 |
1.56 |
70 |
– |
Plastic case |
|
25 |
64×40×20 |
67 |
37 |
24 |
16.34 |
1.87 |
80 |
– |
Plastic case |
|
26 |
65×50×25 |
68 |
47 |
29 |
18.06 |
1.46 |
60 |
18 |
Plastic case |
|
27 |
80×50×20 |
84 |
47 |
24 |
20.42 |
2.34 |
80 |
– |
Plastic case |
|
28 |
100×80×20 |
76 |
103.6 |
23.7 |
28.27 |
1.56 |
45 |
13 |
Plastic case |
- ※ Test conditions： 0.1 V
- AL=Inductivity for N = 1 (tolerance +50/ -30%)
- others cores can be made for meeting user’s need.