Propery

Unit

Symbol

68

67

61

52

51

43

79

72

Initial Perme-ability
@ B <10 gauss

µ

16

40

125

250

350

850

1400

2050

Flux Dencity

@Field Strengh

B

H

2700

  270

   40

3200

2500

  250

   20

 1600

2500

  250

   15

 1200

4200

420

10

800

3700

  370

   10

 800

2900

290

10

800

4700

470

5

400

5100

510

5

400

Residual Flux Density

gauss

mT

Br

900

90

1000

100

1000

100

3300

330

2500

250

1300

130

1700

170

1800

180

Coercive Force

Oersted

A/m

Hc

6.5

520

2.5

200

1.1

88

0.6

48

0.6

48

0.45

36

0.4

0.1

0.25

20

Loss Factor

@  Frequency

10^-6

^MHz

tan δ/µ

400

100

200

50

30

1

45

1

40

0.1

250

1

20

0.1

15

0.1

Temperature Coefficient of

Initial Permeability (20 –70ºC)

%/ºC

T.C.

0.1

0.05

0.1

0.75

1.2

1.25

0.6

1,2

Curie Temperature

ºC

T.C.

˃500

˃475

˃300

˃250

˃170

˃130

˃200

˃200

Resistivity

Ohm-cm

p

10 ⁷

10 ⁷

10 ⁹

10 ⁹

10 ⁹

10 ⁵

200

100

˂400

˂300

˂100

˂20

--

˂10

--

˂3