RM7-3C90-A100 datasheet(2/7 Pages) FERROXCUBE

Part #	RM7-3C90-A100

Description	RM, RM/I, RM/ILP 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 / 7 page

2008 Sep 01

1233

Ferroxcube

RM, RM/I, RM/ILP cores and accessories

RM7/I

CORE SETS

Effective core parameters

SYMBOL

PARAMETER

VALUE

UNIT

Σ(I/A)

core factor (C1)

0.680

mm−1

Ve

effective volume

1325

mm3

Ie

effective length

30.0

mm

Ae

effective area

44.1

mm2

Amin

minimum area

39.6

mm2

m

mass of set

≈ 7.5

g

handbook, halfpage

MGC065

17.2

0

0.7

3.3

9.3

20.3

0

0.8

7.25

0

0.3

O

8.4

0.5

0

13.4

0.1

14.75

0.6

0

O

11.3

0.25

Fig.1 RM7/I core set.

Dimensions in mm.

Core sets for general purpose transformers and power applications

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

100

±3%

≈ 54

≈ 730

RM7/I-3C90-A100

160

±3%

≈ 87

≈ 410

RM7/I-3C90-A160

250

±3%

≈ 135

≈ 240

RM7/I-3C90-A250

3000

±25%

≈ 1620

≈ 0

RM7/I-3C90

3F3

100

±3%

≈ 54

≈ 730

RM7/I-3F3-A100

160

±3%

≈ 87

≈ 410

RM7/I-3F3-A160

250

±3%

≈ 135

≈ 240

RM7/I-3F3-A250

2500

±25%

≈ 1350

≈ 0

RM7/I-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= 400 kHz;

=50 mT;

T = 100

°C

3C90

≥320

≤ 0.16

≤ 0.17

−

3F3

≥315

−≤ 0.15

≤ 0.25

B

ˆ

B

ˆ

B

ˆ

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