Excellent quality Permalloy Audio Transformer Cores - EMC Common Mode Choke cores（LLE-CM） – LLE
Excellent quality Permalloy Audio Transformer Cores - EMC Common Mode Choke cores（LLE-CM） – LLE Detail:
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.
Product detail pictures:
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We have now sophisticated machines. Our solutions are exported to the USA, the UK and so on, enjoying a great reputation amid consumers for Excellent quality Permalloy Audio Transformer Cores - EMC Common Mode Choke cores（LLE-CM） – LLE, The product will supply to all over the world, such as: Hyderabad, Madagascar, Amsterdam, More than 26 years, Professional companies from all over the world take us as their long-term and stable partners. We are keeping durable business relationship with more than 200 wholesalers in Japan, Korea, USA, UK, Germany, Canada, France, Italian, Poland, South Africa, Ghana, Nigeria etc.
By Gustave from Jersey - 2018.09.21 11:01
This is a very professional and honest Chinese supplier, from now on we fell in love with the Chinese manufacturing.
By Christine from Norwegian - 2017.01.11 17:15
