4M2 datasheet(2/3 Pages) FERROXCUBE

No de pièce	4M2

Description	Material specification

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Fabricant	FERROXCUBE [Ferroxcube International Holding B.V.]

Site Internet	http://www.ferroxcube.com

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2008 Sep 01

255

Ferroxcube

Material specification

4M2

4M2 SPECIFICATIONS

Low permeability specialty NiZn ferrite only used in

large toroids and machined products mainly for

scientific particle accelerators operating at frequencies

up to 10 MHz.

SYMBOL

CONDITIONS

VALUE

UNIT

µi

°C; ≤10 kHz;

0.25 mT

140

±20%

B25

°C; 10 kHz;

3000 A/m

≈ 310

100

°C; 10 kHz;

3000 A/m

≈ 270

DC; 25

°C

≈ 105

Ωm

≥ 200

°C

density

≈ 5000

kg/m3

handbook, halfpage

MBW446

102

10 3

f (MHz)

µ' ,

s µ''s

4M2

µ's

µ''

Fig.1

Complex permeability as

a function of frequency.

handbook, halfpage

500

250

MBW447

150

100

200

300

400

T (oC)

4M2

Fig.2

Initial permeability as a

function of temperature.

handbook, halfpage

100

200

2000

500

MBW448

1000

100

200

300

400

100

H (A/m)

(mT)

4M2

25 oC

100 oC

Fig.3 Typical B-H loops.

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