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NANOCRYSTALLINE VITROPERM CORES IN PLASTIC CASING FOR COMMON MODE CHOKES

Common Mode Chokes with toroidal tape wound cores of VITROPERM® allow the effective attenuation of asymmetrical and conducted high frequency noise. The high permeability of the nanocrystalline core material achieves superior characteristics at low and middle frequencies, as well as in the high frequency range, when an optimized winding arrangement is chosen. In comparison to conventional ferrite, advantages over the entire frequency range are obtained. Further information is available in our application note EMC Products based on Nanocrystalline VITROPERM
.

Our VITROPERM cores are available with different AL-levels for many core sizes. Thus, saturation-resistant solutions are available for various fields of applications. If the common mode currents exceed the saturation currents (Icm) of the cores or chokes, cores with higher saturation resistance must be used. High AL values (high μ) are more suitable for typical single-phase applications with low unbalanced current (e.g. switched-mode power supplies), while cores with lower AL values are often used in 3-phase applications with high unbalanced currents (e.g. frequency converters with long motor cables).

The plastic cases are suitable for direct winding and offer good mechanical protection of the nanocrystalline core material. This enables the best magnetic properties and highest permeability levels to be maintained. Additional winding protection is optional for heavy wire windings, where there may be a danger of core damage. The plastic materials comply with the standards UL94-V0 (UL file number: E41871), class B (130 °C) and UL94-V0 (UL file number E41938), class F (155 °C).

Epoxy coated designs are listed in the table Nanocrystalline VITROPERM cores with epoxy coating.

We recommend to examine the theoretical calculations experimentally. For testing purposes VAC offers a special sample kit consisting of selected cores Core Sample Kit VITROPERM.

The main areas of application are:

  • EMC filters
  • Switched-mode power supplies (SMPS), Power supplies
  • Solar inverters
  • Uninterruptible power supplies (UPS)
  • Welding equipment
  • Wind generators
  • Frequency converters
  • Inductive cooking

VAC-Product

nominal core dimensions

limiting dimensions (incl. case)

iron cross  section

mean path length

weight

AL nominal

saturation current
Icm**, typical

 

da x di x h

Da

Di

H

AFe

lFe

mFe

 10 kHz

100 kHz

10 kHz

100 kHz

 

mm x mm x mm

mm

mm

mm

cm2

cm

g

µH

A

T60006-L2009-W914

9.8 x 6.5 x 4.5

11.2

5.1

5.8

0.06

2.6

1.1

25.5

6.4

0.14

0.3

T60006-L2012-W902

12 x 8 x 4.5

14.1

6.6

6.3

0.07

3.1

1.7

28.0

6.8

0.15

0.31

T60006-L2012-W498

12.5 x 10 x 5

14.3

8.5

7.0

0.05

3.5

1.3

10.0

3.6

0.3

0.56

T60006-L2014-V098

14.4 x 11.4 x 3.2

16.5

9.6

5.0

0.04

4.1

1.1

10.5

2.6

0.21

0.44

T60006-L2015-W865

15 x 10 x 4.5

17.1

7.9

6.5

0.09

3.9

2.6

27.0

6.7

0.2

0.41

T60006-L2016-W403

16 x 10 x 6

17.9

8,1

8.1

0.14

4.1

4.0

43.0

10.1

0.2

0.41

T60006-L2016-W308

11.7

6.5

1.2

1.7

T60006-L2016-V165

2.1

2.0

5.4

5.7

T60006-L2017-W515

17.5 x 12.6 x 6

19.2

10.9

8.1

0.12

4.7

4.1

30.0

6.9

0.23

0.48

T60006-L2019-V184

19 x 15 x 5

21.2

13.0

7.3

0.08

5.3

3.1

18.0

4.4

0.26

0.54

T60006-L2019-W838

19 x 15 x 10

21.2

13.0

12.3

0.16

5.3

6.3

36.1

8.8

0.26

0.54

T60006-L2020-W409

20 x 12.5 x 8

22.6

10.3

10.2

0.24

5.1

9.0

55.2

13.6

0.25

0.51

T60006-L2020-W450

14.3

9.1

1.5

2.2

T60006-L2025-W523

25 x 20 x 10

27.6

17.4

12.8

0.20

7.1

10.0

28.4

7.3

0.41

0.84

T60006-L2025-W380

25 x 16 x 10

27.9

13.6

12.5

0.36

6.4

17.0

67.0

15.5

0.32

0.65

T60006-L2025-W451

17.1

11.5

1.8

2.7

T60006-L2025-W980

3.2

3.1

9.3

9.6

T60006-L2030-W423

30 x 20 x 10

32.8

17.6

12.5

0.40

7.9

23.0

59.3

14.0

0.5

1.0

T60006-L2030-W358

15.5

11.1

2.1

3.1

T60006-L2030-W981

2.9

2.8

11.4

11.8

T60006-L2030-W514

30 x 20 x 15

32.8

17.5

17.8

0.57

7.9

33.0

88.0

20.0

0.38

0.79

T60006-L2030-V188

26.9

16.2

1.8

2.8

T60006-L2030-V129

15.7

14.1

3.1

3.9

T60006-L2040-W422

40 x 32 x 15

43.1

28.7

18.5

0.46

11.3

38.0

48.0

11.3

0.55

1.1

T60006-L2040-V113

13.0

8.4

3.0

4.6

T60006-L2040-W452

10.2

7.9

3.8

5.2

T60006-L2040-W964

2.3

2.2

17.0

17.0

T60006-L2040-W424

40 x 25 x 15

43.1

22.5

18.5

0.86

10.2

64.0

99.0

23.1

0.5

1.0

T60006-L2040-W453

25.0

17.2

2.9

4.4

T60006-L2045-V102

45 x 30 x 15

48.3

26.4

18.2

0.86

11.8

74.0

87.6

20.0

0.59

1.2

T60006-L2045-V118

24.3

15.8

3.0

4.6

T60006-L2045-V101

15.7

14.1

4.6

5.9

T60006-L2050-W565

50 x 40 x 20

53.5

36.3

23.4

0.76

14.1

79.0

18.0

10.0

3.6

5.5

T60006-L2050-W516

36.3

45.0

13.5

1.0

2.0

T60006-L2050-V146

36.6

11.7

10.0

5.5

7.1

T60006-L2050-V166

36.6

3.1

3.0

20.0

21.

T60006-L2054-V172

54 x 40 x 20

57.5

37.7

24.1

1.06

14.8

115.0

87.0

19.9

0.72

1.5

T60006-L2054-V178

24.0

15.7

3.7

5.8

T60006-L2063-W517

63 x 50 x 25

67.3

46.5

28.6

1.24

17.8

161.0

59.0

17.5

1.2

2.5

T60006-L2063-V110

161.0

23.3

13.8

4.5

6.9

T60006-L2063-V144

161.0

15.1

13.5

6.9

8.9

T60006-L2063-W985

163.0

3.3

3.2

30.0

31.0

T60006-L2080-W531

80 x 50 x 20

86.0

44.7

25.7

2.28

20.4

342.0

35.0

24

5.5

8.4

T60006-L2080-V140

85.8

44.6

25.5

342.0

94.0

28.0

1.4

2.8

T60006-L2080-V091

86.0

44.7

25.7

347.0

9.6

9.2

26.0

28.0

T60006-L2090-W518

90 x 60 x 20

95.4

54.7

24.7

2.28

23.6

395.0

81.0

25.1

1.7

3.3

T60006-L2090-V173

400.0

32.5

21.1

5.9

9.1

T60006-L2090-W984

400.0

4.6

4.5

41.0

42.0

T60006-L2100-V081

100 x 80 x 25

105.5

75.0

29.6

1.9

28.3

379.0

14.6

13.1

11.0

14.0

T60006-L2100-V082

56.3

16.9

2.0

3.9

T60006-L2102-W468

102 x 76 x 25

108.1

70.0

30.33

2.47

28.0

508.0

55.0

21.6

2.7

4.9

T60006-L2102-V080

508.0.

19.1

17.2

11.0

14.0

T60006-L2102-W947

515.0

4.3

4.2

48.0

49.0

T60006-L2160-V066

160 x 130 x 25

166.9

123.9

30.5

2.74

45.6

917.0

13.0

11.7

18.0

23.0

T60006-L2160-V088

2.74

917.0

20.0

13.1

11.0

18.0

T60006-L2160-V074

2.74

917.0

28.0

14.0

8.5

14.0

T60006-L2160-W982

2.85

967.0

3.0

2.9

80.0

82.0

AL = inductance for N = 1 (tolerance +45 % / -25 %)
Icm : the listed saturation currents are guidelines, only. They are calculated for nominal core dimensions at room temperature and for approx. 70 % saturation flux density. 

Further information can be found here:

General information
Application note (brochure)
RoHS information

Nanocrystalline Cores
Epoxy coated designs
Core Sample Kit VITROPERM
Core stack assemblies

Common Mode Chokes
Chokes

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Last update: 26.09.2018