4F1 datasheet(2/4 Pages) FERROXCUBE

Part #	4F1

Description	Material specification

PDF	4 Pages

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Manufacturer	FERROXCUBE [Ferroxcube International Holding B.V.]

Direct Link	http://www.ferroxcube.com

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2 / 4 page

2008 Sep 01

251

Ferroxcube

Material specification

4F1

4F1 SPECIFICATIONS

A very high frequency NiZn power material for use in

power and general purpose transformers optimized for

frequencies of 4 - 10 MHz.

SYMBOL

CONDITIONS

VALUE

UNIT

µi

°C; ≤10 kHz;

0.25 mT

≈ 80

µa

100

°C; 25 kHz;

200 mT

≈ 300

B25

°C; 10 kHz;

3000 A/m

≈ 320

100

°C; 10 kHz;

3000 A/m

≈ 260

100

°C; 3 MHz;

10 mT

≤ 200

kW/m3

100

°C; 10 MHz;

5mT

≤ 200

DC; 25

°C

≈ 105

Ωm

≥ 260

°C

density

≈ 4600

kg/m3

Fig.1

Complex permeability as

a function of frequency.

handbook, halfpage

MBW293

102

10 3

f (MHz)

µ' ,

s µ''s

4F1

µ's

µ''s

Fig.2

Initial permeability as a

function of temperature.

handbook, halfpage

500

100

500

MBW294

300

100

200

300

400

T ( C)

4F1

Fig.3 Typical B-H loops.

handbook, halfpage

100

200

2000

500

MBW295

1000

100

200

300

400

100

H (A/m)

(mT)

4F1

25 oC

100 oC

4F1 Datasheet(PDF) 2 Page - Ferroxcube International Holding B.V.

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