Propery

Unit

Symbol

J

77

97

78

98

95

75

76

Initial Perme-ability
@ B <10 gauss

µ

5000

2000

2000

2300

2400

3000

5000

10000

Flux Dencity

@Field Strengh

B

H

4300

430

5

400

5100

510

5

400

5000

  500

   5

 400

4800

480

5

400

5000

500

5

400

5000

  500

   5

 400

4300

430

5

400

4000

400

5

400

Residual Flux Density

gauss

mT

Br

1400

140

1800

180

1500

150

1500

150

1100

110

1800

180

1400

140

1800

180

Coercive Force

Oersted

A/m

Hc

0.16

13

0.25

20

0.16

13

0.2

16

0.17

14

0.13

10

0.16

13

0.12

9.6

Loss Factor

@  Frequency

10^-6

^MHz

tan δ/µ

15

0.1

15

0.1

3.5

0.1

4.5

0.1

3.5

0.1

3

0.1

15

0.1

15

0.025

Temperature Coefficient of

Initial Permeability (20-70ºC)

%/ºC

T.C.

0.6

1.2

1.4

1.0

1.5

0.4

0.6

0.5

Curie Temperature

ºC

T.C.

˃140

˃200

˃220

˃200

˃215

˃220

˃140

˃120

Resistivity

Ohm-cm

p

300

100

200

200

200

200

300

50

Application Area                 Low                        

                                         Flux densi-   

Recommended              ty  
Frequency

Range                             MHz

˂0.75

˂3

--

˂2.5

--

--

˂0.75

˂0.5