Propery

Unit

Symbol

67

61

80

79

77

97

72

Initial Perme-ability
@ B <10 gauss

µ

40

125

550

1400

2000

2000

2050

Flux Dencity

@Field Strengh

B

H

2500

  250

   20

 1600

2500

  250

   15

 1200

4000

--

5

--

4700

 470

   5

 400

5100

510

5

400

5000

500

5

400

5100

510

5

400

Residual Flux Density

gauss

mT

Br

1000

100

1000

100

1000

--

1700

170

1800

180

1500

150

1800

180

Coercive Force

Oersted

A/m

Hc

2.5

200

1.1

88

0.5

--

0.4

32

0.25

20

0.16

13

0.25

20

Loss Factor

@  Frequency

10^-6

^MHz

tan δ/µ

200

50

30

1

8

1

4

0.1

15

0.1

3.5

0.1

15

0.1

Temperature Coefficient of

Initial Permeability (20 –70ºC)

%/ºC

T.C.

0.05

0.1

--

0.6

1.2

1.4

1,2

Curie Temperature

ºC

T.C.

˃475

˃300

˃300

˃225

˃200

˃220

˃200

Resistivity

Ohm-cm

p

10 ⁷

10 ⁸

1000

200

100

200

100

˂20

˂5

--

˂0.75

˂0.1

˂0.4

˂0.1