Bs(T)

≥1.2T

Br(T)

≤0.15T

Core lossP3/50K(50KHZ 0.3T)

≤30W/Kg

Core lossP5/20K(20KHZ 0.5T)

≤25W/Kg

Initial permeability μ0(Hm=0.08A/cm)

≥30000

Corecivity Hc(A/m)

<2.0

Curie temperatureTc

570°C

Grade

Core dimentions(mm)

Finished dimentions(mm)

The
effective
section

Mean 
core
path length
(cm)

Weight
(g)

Suitable
power
(KW )
(20KHz
of
fre-
quency
of
utili-
zation )

ID

OD

H

ID

OD

H

FUL406420

40

64

20

37

66

23

1.77

16.3

215

0.8—1.4

FUL47025

40

70

25

37

73

28

2.42

17.3

310

1.2—2.0

FUL507525

50

75

25

47

78

28

2.13

19.6

310

1.2—2.1

FUL508020

50

80

20

47

83

23

2.18

20.4

330

1.3—2.2

FUL508025

50

80

25

47

83

28

2.65

20.4

400

1.6—2.7

FUL408030

40

80

30

37

83

33

4.50

18.8

625

2.5—4.2

FUL409020

40

90

20

37

83

23

3.64

20.4

550

2.2—3.8

FUL509030

50

90

30

46

93

34

4.42

21.98

720

3.0—4.8

FUL5010025

50

100

25

46

94

29

4.63

23.55

810

3.5—5.2