FERRITE EFD CORES

MODEL

G.W

SIZE(mm)

A

B

C

D

C

F

G

H

EFD20

9

20.0±0.6

15.4±0.5

8.9±0.2

6.7±0.2

7.7±0.3

10.0±0.3

0.2±0.1

3.6±0.2

EFD21A

9

20.8±0.6

15.4min

8.9±0.2

6.7±0.2

7.7±0.3

10.0±0.3

0.2±0.1

3.6±0.2

EFD21B

9.7

21.0±0.5

15.4min

8.9±0.2

6.7±0.2

8.0±0.3

10.3±0.3

\

3.6±0.2

EFD25.6

19

25.6±0.7

19.5±0.7

11.4±0.3

9.1±0.3

9.3±0.3

12.5±0.3

0.6±0.1

5.2±0.3

EFD31

25

30.8±0.8

23.2min

14.4±0.3

8.8±0.2

11.2±0.3

15.0±0.3

0.3±0.2

4.8±0.2

EFD34

29.6

34.0±0.6

24.0±0.5

17.0±0.3

5.0±0.2

18.0±0.3

23.0±0.3

\

3.0±0.2

EFD40/45/11

60

40.5±0.7

30.0min

16.6±0.3

10.6±0.2

16.3±0.3

22.5±0.3

\

6.6±0.2

EFD40/44/8

44

40.0±0.7

29.5min

19.9±0.4

8.0±0.2

17.1±0.3

22.0±0.3

\

4.0±0.2

EFD43/53/4.4

63.6

43.0±0.8

28.5min

21.6±0.4

7.6±0.25

19.3±0.3

26.5±0.3

\

4.4±0.25

EFD43/44/3.2

49.2

43.4±0.8

33.5min

22.3±0.4

8.0±0.25

17.1±0.3

22.2±0.3

\

3.2±0.25

EFD45/50

67

45.2±0.8

33.3±0.8

24.0±0.4

7.8±0.2

18.0±0.3

24.7±0.3

\

4.0±0.2

EFD52.5

118

52.5±1.1

39min

22.5±0.4

13.0±0.3

19.9±0.3

27.0±0.3

\

7.5±0.3

MODEL

PARAMETER

AL±25%(nH/N^2)

N.W(g)

C1mm^-1

Lemm

Aemm²

Vemm³

ZP40

EFD20

1.52

47.0

31.0

1460.0

1150

7.9

EFD21A

1.57

49.3

31.0

1460.0

1400

7.9

EFD21B

1.57

49.3

31.4

1540.0

1450

8.6

EFD25.6

1.00

57.0

58.0

3300.0

2000

16.5

EFD31

0.99

68.2

69.1

4712.0

2000

23.0

EFD34

1.90

95.0

50.0

4750.0

1400

33.5

EFD40/45/11

1.02

108.8

106.5

10951.0

2300

55.0

EFD40/44/8

1.35

102.8

75.5

7750.0

1700

38.0

EFD43/53/4.4

1.14

111.3

99.8

11113.0

2000

59.0

EFD43/44/3.2

1.41

102.0

72.1

7352.0

1500

43.0

EFD45/49

1.08

108.0

97.7

10356.2

2700

60.0

EFD52.5

0.78

132.0

168.0

23250.0

2750

109.0