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CORE STACK ASSEMBLIES WITH NANOCRYSTALLINE CORES

Single-turn chokes employing a number of nanocrystalline cores assembled in a stack are an effective solution for bearing current problems or extremely high common mode noise from other causes in large-scale variable speed drives, wind generators and other applications in which resonance phenomena cause high-amplitude interference currents (with peak values ranging from several 10 A to over 100 A). These generally take the form of short and thus high-frequency current peaks. For these applications, VAC offers assembled core stacks which can be easily and securely integrated into existing applications with the minimum of effort.

The core stacks are available in two sizes with two different through-hole diameters. They are custom-designed, allowing an individual selection of core type and the number of stacked cores (up to 7 pieces) depending on the required saturation level and the required inductance.

Size 1

Size 2

a (mm)

120

180

b (mm)

130

190

c (mm)

70

130

d (mm)

~ 70

> 118

s (mm)

7

10

Core Data

Data of Core Stack

Example for 5 Stacked Cores

nonimal core dimensions

Limit Core Dimensions (incl. case/coating)

AL (10 kHz) 

AL (100 kHz)

 Icm (10 kHz)

Icm (100 kHz)

L (10 kHz)

L (100 kHz)

Core partnummer

da x di x h

OD

ID

H

nominal

nominal

 size

typical

typical

nominal

nominal

 

mm x mm x mm

mm

mm

mm

µH

µH

A

A

µH

µH

T60004-L2100-W629

100 x 80 x 20

104.0

75.0

23.0

17.3

11.2

1

7.1

10.7

86,.5

56.6

T60004-L2100-W723

100 x 80 x 20

104.0

75.0

23.0

11.2

10.0

1

10.9

13.8

56.0

50.0

T60006-L2100-V082

100 x 80 x 25

105.5

75.0

29.6

56.3

16.9

1

2.8

5.3

281.5

84.5

T60006-L2100-V081

100 x 80 x 25

105.5

75.0

29.6

14.5

13.1

1

10.9

13.8

72.5

65.5

T60006-L2102-W468

102 x 76 x 25

108.1

70.0

30.3

69,4

21.5

1

2,1

4,1

347,

108.0

T60006-L2102-V080

102 x 76 x 25

108.1

70.0

30.3

19.1

17.2

1

10.7

13.6

95.5

86.0

T60006-L2102-W947

102 x 76 x 25

108.1

70.0

30.3

4.3

4.2

1

47.4

48.5

21.5

21.0

T60006-L2160-V074

160 x 130 x 25

166.9

123.9

30.5

26.8

13.7

2

8.4

13.6

134.0

68.5

T60006-L2160-V088

160 x 130 x 25

166.9

123.9

30.5

20.1

13.1

2

11.3

17.1

100.5

65.5

T60006-L2160-V066

160 x 130 x 25 

166.9

123.9

30.5

12.9

11.7

2

17.6

22.3

64.5

58.5

T60006-L2160-W982

160 x 130 x 25

166.9

123.9

30.5

3.0

2.9

2

79.3

81.1

15.0

14.3

Core Stack Data

nominal core dimensions x
number of cores

nominal core stack dimensions

AL (10 kHz) 

AL (100 kHz)

 Icm (10 kHz)

Icm (100 kHz)

Partnumber

da x di x h

Dimension
Groundplate

Height

nominal

nominal

 size

typical

typical

 

mm x mm x mm

mm

mm

µH

µH

A

A

T60016-L2102-W075

102 x 76 x 25 (W947) x 2

140 x 120

130

9.1

8.4

1

48

49

T60016-L2102-W078

102 x 76 x 25 (W468) x 6

300 x 120

130

416

130

1

2.1

4.1

T60016-L2160-W076

160 x 130 x 25 (W982) x 5

261 x 180

190

16

14.5

2

80

82

T60016-L2160-W079

160 x 130 x 25 (V066) x 4

210 x 180

190

52

46.8

2

18

23

T60016-L2160-W080

160 x 130 x 25 (V066) x 7

310 x 180

190

91

81.9

2

18

23

T60016-L2160-W081

160 x 130 x 25 (V066) x 5

240 x 180

190

65

58.5

2

18

23

T60016-L2160-W082

160 x 130 x 25 (V066) x 6

273 x 180

190

78

70.2

2

18

23

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 resin coated cores
Cores in plastic casing
Core Sample Kit VITROPERM

Chokes
Chokes

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Last update: 15.02.2017