ETD49-3C94 datasheet(2/5 Pages) FERROXCUBE

Part #	ETD49-3C94

Description	ETD cores and accessories

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Manufacturer	FERROXCUBE [Ferroxcube International Holding B.V.]

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2 / 5 page

2008 Sep 01

2

Ferroxcube

ETD cores and accessories

ETD49/25/16

CORE SETS

Effective core parameters

SYMBOL

PARAMETER

VALUE

UNIT

Σ(I/A)

core factor (C1)

0.534

mm−1

Ve

effective volume

24000

mm3

Ie

effective length

114

mm

Ae

effective area

211

mm2

Amin

minimum area

209

mm2

m

mass of core half

≈ 62

g

handbook, halfpage

MGC270

24.7

0.2

49.8

36.1

0

2.2

16.7

0

0.6

16.7

0

0.6

1.8

0

17.7

0.8

0

Fig.1 ETD49/25/16 core half.

Dimensions in mm.

Core halves

Clamping force for AL measurements, 50

±20 N. Gapped cores are available on request.

Properties of core sets under power conditions

GRADE

AL

(nH)

µe

AIR GAP

(

µm)

TYPE NUMBER

3C90

4200

±25%

≈ 1810

≈ 0

ETD49/25/16-3C90

3C94

4200

±25%

≈ 1810

≈ 0

ETD49/25/16-3C94

3C95

5140

±25%

≈ 2210

≈ 0

ETD49/25/16-3C95

3F3

3900

±25%

≈ 1680

≈ 0

ETD49/25/16-3F3

GRADE

B (mT) at

CORE LOSS (W) at

H= 250 A/m;

f = 25 kHz;

T = 100

°C

f = 25 kHz;

=200 mT;

T = 100

°C

f= 100 kHz;

= 100 mT;

T=100

°C

f = 100 kHz;

=200 mT;

T=25

°C

f= 100 kHz;

= 200 mT;

T=100

°C

f = 400 kHz;

=50 mT;

T = 100

°C

3C90

≥330

≤ 2.9

≤ 3.1

−−−

3C94

≥330

−≤ 2.3

−≤ 12.4

−

3C95

≥330

−−

≤ 15.1

≤ 14.4

−

3F3

≥320

−≤ 3.0

−−

≤ 5.4

B

ˆ

B

ˆ

B

ˆ

B

ˆ

B

ˆ

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ETD49-3C94 Datasheet(PDF) 2 Page - Ferroxcube International Holding B.V.

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