EI30 datasheet(2/3 Pages) FERROXCUBE

Part #	EI30

Description	EI cores

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Manufacturer	FERROXCUBE [Ferroxcube International Holding B.V.]

Direct Link	http://www.ferroxcube.com

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2 / 3 page

2008 Sep 01

502

Ferroxcube

EI cores

E30/21/11

CORES

Effective core parameters of an E / I combination

Ordering information for I cores

SYMBOL

PARAMETER

VALUE

UNIT

Σ(I/A)

core factor (C1)

0.524

mm−1

Ve

effective volume

6720

mm3

Ie

effective length

59.2

mm

Ae

effective area

113

mm2

Amin

minimum area

104

mm2

m

mass of E core

≈ 25

g

m

mass of I core

≈ 8.6

g

GRADE

TYPE NUMBER

3C90

I30/5.5/11-3C90

handbook, halfpage

30.25

± 0.6

19.85 min.

10.65

± 0.25

16.3

± 0.3 21.3

± 0.25

10.65

± 0.35

MFP092

Fig.1 E30/21/11 core.

Dimensions in mm.

handbook, halfpage

MFP093

30.25

± 0.6

5.5

± 0.2

10.65

± 0.35

Fig.2 I30/5.5/11.

Dimensions in mm.

Core halves for use in combination with an I core

AL measured in combination with an I core, clamping force for AL measurements 40

± 20 N;

Properties of core sets under power conditions

GRADE

AL

(nH)

µe

AIR GAP

(

µm)

TYPE NUMBER

3C90

4300

± 25 %

≈ 1790

≈ 0

E30/21/11-3C90

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

E30/21/11+I30/5.5/11-3C90

≥ 330

≤ 0.8

B

ˆ

B

ˆ

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