4B3 datasheet(2/3 Pages) FERROXCUBE

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2008 Sep 01

235

Ferroxcube

Material specification

4B3

4B3 SPECIFICATIONS

Medium permeability specialty NiZn ferrite only used in

large toroids and machined products mainly for

scientific particle accelerators operating at frequencies

< 10 MHz.

SYMBOL

CONDITIONS

VALUE

UNIT

µi

°C; ≤10 kHz;

0.25 mT

300

±20%

B25

°C; 10 kHz;

3000 A/m

≈ 420

100

°C; 10 kHz;

3000 A/m

≈ 350

DC; 25

°C

≈ 105

Ωm

≥ 250

°C

density

≈ 5000

kg/m3

handbook, halfpage

MBW433

102

10 3

f (MHz)

µ' ,

s µ''s

4B3

µ's

µ''

Fig.1

Complex permeability as

a function of frequency.

handbook, halfpage

2500

100

500

MBW434

300

500

1000

1500

2000

T ( C)

4B3

Fig.2

Initial permeability as a

function of temperature.

handbook, halfpage

100

200

2000

500

MBW435

1000

100

200

300

400

100

H (A/m)

(mT)

4B3

25 oC

100 oC

Fig.3 Typical B-H loops.

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