3

09/06

Please read Cautions and warnings and

Important notes at the end of this document.

T57

SIFERRIT materials

Complex permeability

versus frequency

(measured on R17 toroids, B

≤0.25 mT)

FAL0645-B

1

10

2

10

3

10

4

10

f

10

’

;

s

µ

’’

10

2

10

MHz

’s

µ

’’

s

µ

Variation of initial permeability

with temperature

(measured on R17 toroids, B

≤0.25 mT)

FAL0647-S

T

µ

-

i1

µ

020

40

˚C 80

0

10

%

40

20

_

70

_

60

_

50

_

40

_

30

_

20

_

10

_

60

Initial permeability

μ

i

versus temperature

(measured on R17 toroids, B

≤0.25 mT)

FAL0646-J

T

2000

4000

6000

12000

20

60

100

˚C 160

0

20

_

Relative loss factor

versus frequency

(measured on R17 toroids, B

≤0.25 mT)

FAL0648-1

tan

δ

f

1

10

2

10

3

10

4

10

kHz

10

10

10

5

_

10

10