U20SLASH16SLASH7 datasheet(2/3 Pages) FERROXCUBE

Part #	U20/16/7

Description	U, I cores and accessories

PDF	3 Pages

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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

1313

Ferroxcube

U, I cores and accessories

U20/16/7

CORE SETS

Effective core parameters

SYMBOL

PARAMETER

VALUE

UNIT

Σ(I/A)

core factor (C1)

1.21

mm−1

effective volume

3800

mm3

effective length

effective area

mm2

mass of core half

≈ 9g

20.8

± 0.6

6.4

± 0.4

8.3

± 0.3

15.6

± 0.2

7.5

0.25

MSA140

Fig.1 U20/16/7 core half.

Dimensions in mm.

Core halves

AL measured on a combination of 2 U cores.

Properties of core sets under power conditions

GRADE

(nH)

µe

TYPE NUMBER

3C90

1900

±25%

≈ 1950

U20/16/7-3C90

3C94

1900

±25%

≈ 1950

U20/16/7-3C94

3C11

3100

±25%

≈ 3000

U20/16/7-3C11

3E27

4800

±25%

≈ 4600

U20/16/7-3E27

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=100

°C

3C90

≥320

≤ 0.46

≤ 0.48

−

3C94

≥320

−≤ 0.36

≤ 2.3

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