EFD20-3C94 datasheet(2/9 Pages) FERROXCUBE

Part #	EFD20-3C94

Description	EFD cores and accessories

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Manufacturer	FERROXCUBE [Ferroxcube International Holding B.V.]

Direct Link	http://www.ferroxcube.com

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2 / 9 page

2008 Sep 01

2

Ferroxcube

EFD cores and accessories

EFD20/10/7

CORES

Effective core parameters

SYMBOL

PARAMETER

VALUE

UNIT

Σ(I/A)

core factor (C1)

1.52

mm−1

Ve

effective volume

1460

mm3

Ie

effective length

47.0

mm

Ae

effective area

31.0

mm2

Amin

minimum area

29

mm2

m

mass of core half

≈ 3.5

g

Fig.1 EFD20/10/7 core half.

Dimensions in mm.

handbook, halfpage

MGC345

8.9

0.2

15.4 0.5

20 0.55

7.7

0.25

10

0.15

3.6

0.15

0.17

6.65

0.15

Core halves

AL measured in combination with a non-gapped core half, clamping force for AL measurements 20

±10 N, unless stated

otherwise.

GRADE

AL

(nH)

µe

TOTAL AIR GAP

(

µm)

TYPE NUMBER

3C90

63

±3%(1)

≈ 76

≈ 960

EFD20/10/7-3C90-E63

100

±3%

≈ 121

≈ 510

EFD20/10/7-3C90-A100

160

±5%

≈ 193

≈ 280

EFD20/10/7-3C90-A160

250

±8%

≈ 302

≈ 160

EFD20/10/7-3C90-A250

315

±10%

≈ 380

≈ 120

EFD20/10/7-3C90-A315

1300

±25%

≈ 1570

≈ 0

EFD20/10/7-3C90

3C94

63

±3%(1)

≈ 76

≈ 960

EFD20/10/7-3C94-E63

100

±3%

≈ 121

≈ 510

EFD20/10/7-3C94-A100

160

±5%

≈ 193

≈ 280

EFD20/10/7-3C94-A160

250

±8%

≈ 302

≈ 160

EFD20/10/7-3C94-A250

315

±10%

≈ 380

≈ 120

EFD20/10/7-3C94-A315

1300

±25%

≈ 1570

≈ 0

EFD20/10/7-3C94

3C95

1540

±25%

≈ 1865

≈ 0

EFD20/10/7-3C95

3C96

1200

±25%

≈ 1450

≈ 0

EFD20/10/7-3C96

3F3

63

±3%(1)

≈ 76

≈ 960

EFD20/10/7-3F3-E63

100

±3%

≈ 121

≈ 510

EFD20/10/7-3F3-A100

160

±5%

≈ 193

≈ 280

EFD20/10/7-3F3-A160

250

±8%

≈ 302

≈ 160

EFD20/10/7-3F3-A250

315

±10%

≈ 380

≈ 120

EFD20/10/7-3F3-A315

1200

±25%

≈ 1450

≈ 0

EFD20/10/7-3F3

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EFD20-3C94 Datasheet(PDF) 2 Page - Ferroxcube International Holding B.V.

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