●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact NEC TOKIN for updated product data.

●Please request for a specification sheet for detailed product data prior to the purchase.

●Before using the product in this catalog, please read "Precautions" and other safety precautions listed in the printed version catalog.

9603FERVOL05E1001T0

Ferrite Cores VOL.05

19

Cores

JIS

A

B

C

D

E(min)

F

FEER22S

22.0±0.4

11.1

6.65±0.25

6.65±0.25

15.5

–0

FEER22

22.0±0.3

14.7±0.15

6.65±0.15

6.65±0.1

15.5

10.7±0.15

FEER25.5

FEER25.5A

25.5±0.5

9.3±0.2

7.5±0.2

7.5±0.15

19.8

6.2±0.2

FEER28

FEER28.5A

–0.5

14.0±0.2

11.4±0.25

9.9±0.25

21.2

–0.2

FEER28L

FEER28.5B

–0.5

16.9±0.25

11.4±0.25

9.9±0.25

21.2

–0.25

FEER29

–1.6

15.8±0.2

–0.6

–0.6

22.0

11.0±0.13

FEER34

FEER34.2

–1.6

17.3±0.2

–0.6

–0.6

25.5

–0

FEER35

35.0±0.7

16.8±0.3

11.3±0.25

11.3±0.25

25.6

10.8±0.3

FEER35L

FEER35A

35.0±0.5

20.7±0.3

11.3±0.25

11.3±0.25

25.6

14.7±0.3

FEER39

FEER39.1

–0.7

–0.4

–0.6

–0.6

29.3

–0

FEER39L

FEER39

39.0±0.6

22.2±0.3

12.8±0.25

12.8±0.2

28.7

17.0±0.25

FEER40

40.0±0.5

22.4±0.2

13.3±0.25

13.3±0.25

29.0

15.4±0.25

FEER4042

40.0±0.5

21.0±0.2

15.0±0.2

14.0±0.25

30.7

15.0±0.2

FEER42

42.0±0.6

21.2±0.2

15.2±0.2

15.2±0.2

30.5

–0

FEER42L

–0.5

25.4±0.2

17.3±0.25

17.3±0.25

29.8

17.9±0.2

FEER42A

42.0±0.5

21.2±0.2

–0.8

17.3±0.25

31.8

–0

FEER44

FEER44

–0.8

–0.4

–0.8

–0.8

32.5

–0

FEER49

49.0±0.8

–0.1

17.2±0.2

17.2±0.2

36.5

–0

C

F

B

Shape and Dimensions

[mm]

FEER-Type Cores

FEER-Type Cores

Cores

JIS

C

1

Ae

Re

Ve

Acp

Acw

AL(nH)

Weight

(mm)

BH1,BH2

(g)

FEER22S

0.301

35.0

55.4

1940

35.0

68.0

1700±25%

10.0

FEER22

1.665

37.5

62.4

2340

34.7

97.9

1400±25%

12.0

FEER25.5

FEER25.5A

1.16

43.2

50.0

2157

44.2

80.3

2050±25%

10.8

FEER28

FEER28.5A

0.78

85.3

66.8

5702

77.0

114.8

3000±25%

28.5

FEER28L

FEER28.5B

0.95

84.7

78.3

6635

77.0

149.1

2540±25%

33.2

FEER29

0.99

75.0

74.3

5590

71.0

145.0

2500±25%

27.0

FEER34

FEER34.2

0.86

96.6

83.0

8014

91.6

186.3

2930±25%

41.5

FEER35

0.72

110.1

79.0

8695

100.3

160.9

3500±25%

45.0

FEER35L

FEER35A

0.87

108.4

94.5

10248

100.3

220.5

2900±25%

50.7

FEER39

FEER39.1

0.79

123.2

97.1

11970

122.7

259.9

3200±25%

60.0

FEER39L

FEER39

0.80

131.9

106.1

13993

128.7

280.5

3150±25%

70.0

FEER40

0.67

152.8

102.4

15637

138.9

247.9

3750±25%

78.1

FEER4042

0.63

15.0

100.0

15756

153.9

256.5

4000±25%

72.1

FEER42

0.56

182.5

101.8

18574

181.5

241.0

4550±25%

87.6

FEER42L

0.48

239.0

113.6

27180

235.0

232.7

5300±25%

135.9

FEER42A

0.44

232.5

101.4

23572

235.1

228.8

5700±25%

118.0

FEER44

FEER44

0.63

172.0

108.7

18707

172.0

306.7

4000±25%

88.6

FEER49

0.42

229.1

97.2

22263

232.4

245.5

6000±25%

110.0

Numbering System

FEER 28L BH2

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