.hide-partial { max-height: none; } .show-more { display: none; }

EFD Core Ferrite Cores & Accessories

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 88

Applied Filters:

Core = EFD Core

Manufacturer

Series

Product

Type

Core Size

Inductance

Tolerance

Accessory Type

Number of Pins

Core Material

Termination Style

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Ferrite Cores & Accessories EFD15x8x5 PC200 370 +30 -20%

B66413G0000X608
TDK
1: $2.31
3,450In Stock

Mfr. Part No.
B66413G0000X608

Mouser Part No
871-B66413G0000X608

TDK

Ferrite Cores & Accessories EFD15x8x5 PC200 370 +30 -20%

Learn More

Datasheet

3,450In Stock

$2.31

$1.60

$1.37

$1.24

View

Min.: 1
Mult.: 1

EFD15/8/5

Ferrite Cores

Gapped

EFD Core

15 mm x 4.65 mm

370 nH

- 20 %, + 30 %

PC200

Bulk

Ferrite Cores & Accessories EFD25/13/9 N97OL

B66421G0000X197
TDK
1: $1.40
4,659In Stock

Mfr. Part No.
B66421G0000X197

Mouser Part No
871-B66421GX197

TDK

Ferrite Cores & Accessories EFD25/13/9 N97OL

Learn More

Datasheet

4,659In Stock

$1.40

$1.09

$1.01

$0.945

View

Min.: 1
Mult.: 1

EFD25/13/9

Ferrite Cores

Ungapped

EFD Core

25 x 13 x 9

2.1 uH

- 20 %, + 30 %

N97

Bulk

Ferrite Cores & Accessories EFD30/15/9 N87AL 315NH+/-10%

B66423U0315K187
TDK
1: $2.10
4,916In Stock

Mfr. Part No.
B66423U0315K187

Mouser Part No
871-B66423U0315K187

TDK

Ferrite Cores & Accessories EFD30/15/9 N87AL 315NH+/-10%

Learn More

Datasheet

4,916In Stock

$2.10

$1.46

$1.25

$1.12

View

Min.: 1
Mult.: 1

EFD30/15/9

Ferrite Cores

Gapped

EFD Core

30 x 15 x 9

315 nH

10 %

N87

Bulk

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B66422W1010D1
TDK
1: $2.72
6,130In Stock

Mfr. Part No.
B66422W1010D1

Mouser Part No
871-B66422W1010D1

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

6,130In Stock

$2.72

$1.88

$1.60

$1.42

View

Min.: 1
Mult.: 1

B66422W

Hardware & Accessories

Ungapped

EFD Core

25 x 13 x 9

Coil Former with Solder Pins

10 Pin

Tray

Ferrite Cores & Accessories CLM-EFD30

B66424B2000X000
TDK
1: $0.765
15,052In Stock

Mfr. Part No.
B66424B2000X000

Mouser Part No
871-B66424B2000X

TDK

Ferrite Cores & Accessories CLM-EFD30

Learn More

Datasheet

15,052In Stock

$0.765

$0.535

$0.463

$0.413

View

Min.: 1
Mult.: 1

EFD30/15/9

Hardware & Accessories

Ungapped

EFD Core

30 x 15 x 9

Yoke

Bulk

Ferrite Cores & Accessories EFD30/15/9 N97OL

B66423G0000X197
TDK
1: $2.79
1,279In Stock

Mfr. Part No.
B66423G0000X197

Mouser Part No
871-B66423GX197

TDK

Ferrite Cores & Accessories EFD30/15/9 N97OL

Learn More

Datasheet

1,279In Stock

$2.79

$1.93

$1.65

$1.46

View

Min.: 1
Mult.: 1

EFD30/15/9

Ferrite Cores

Ungapped

EFD Core

30 x 15 x 9

2.15 uH

- 20 %, + 30 %

N97

Bulk

Ferrite Cores & Accessories 95 EFD Core EFD15 Ind 1050 nH 25% TOL

8995151521
Fair-Rite
1: $1.47
1,017In Stock

Mfr. Part No.
8995151521

Mouser Part No
623-8995151521

Fair-Rite

Ferrite Cores & Accessories 95 EFD Core EFD15 Ind 1050 nH 25% TOL

Learn More

Product Comments

1,017In Stock

$1.47

$1.02

$0.878

$0.78

View

Min.: 1
Mult.: 1

Ferrite Cores

Ungapped

EFD Core

15 x 7.5 x 4.65

1.05 uH

25 %

Bulk

Ferrite Cores & Accessories 95 EFD Core EFD12 Ind 850 nH 25% TOL

8995121221
Fair-Rite
1: $1.32
4,968In Stock

Mfr. Part No.
8995121221

Mouser Part No
623-8995121221

Fair-Rite

Ferrite Cores & Accessories 95 EFD Core EFD12 Ind 850 nH 25% TOL

Learn More

Product Comments

4,968In Stock

$1.32

$0.917

$0.788

$0.701

View

Min.: 1
Mult.: 1

Ferrite Cores

Ungapped

EFD Core

12.5 x 6.2 x 3.5

850 nH

25 %

Bulk

Ferrite Cores & Accessories 78 EFD Core EFD10

8978101021
Fair-Rite
1: $0.862
4,014In Stock

Mfr. Part No.
8978101021

Mouser Part No
623-8978101021

Fair-Rite

Ferrite Cores & Accessories 78 EFD Core EFD10

Learn More

Product Comments

4,014In Stock

$0.862

$0.607

$0.525

$0.468

View

Min.: 1
Mult.: 1

Ferrite Cores

Ungapped

EFD Core

EFD 10

530 nH

25 %

Bulk

Ferrite Cores & Accessories 95 EFD Core EFD10 Ind 610 nH 25% TOL

8995101021
Fair-Rite
1: $0.806
5,256In Stock

Mfr. Part No.
8995101021

Mouser Part No
623-8995101021

Fair-Rite

Ferrite Cores & Accessories 95 EFD Core EFD10 Ind 610 nH 25% TOL

Learn More

Product Comments

5,256In Stock

$0.806

$0.566

$0.489

$0.436

View

Min.: 1
Mult.: 1

Ferrite Cores

Ungapped

EFD Core

10.5 x 5.2 x 2.7

610 nH

25 %

Bulk

Ferrite Cores & Accessories EFD15/8/5 N87

B66413GX187
TDK
1: $1.01
24,536In Stock

Mfr. Part No.
B66413GX187

Mouser Part No
871-B66413GX187

TDK

Ferrite Cores & Accessories EFD15/8/5 N87

Learn More

Datasheet

24,536In Stock

$1.01

$0.705

$0.607

$0.541

View

Min.: 1
Mult.: 1

B66413G

Ferrite Cores

Ungapped

EFD Core

15 x 8 x 5

780 nH

- 20 %, + 30 %

N87

Tray

Ferrite Cores & Accessories EFD15/8 5-N87-A160 +/-0.15

B66413U0160L187
TDK
1: $1.18
4,881In Stock

Mfr. Part No.
B66413U0160L187

Mouser Part No
871-B66413U0160L187

TDK

Ferrite Cores & Accessories EFD15/8 5-N87-A160 +/-0.15

Learn More

Datasheet

4,881In Stock

$1.18

$0.826

$0.71

$0.631

View

Min.: 1
Mult.: 1

EFD15/8/5

Ferrite Cores

Gapped

EFD Core

15 x 8 x 5

160 nH

15 %

N87

Bulk

Ferrite Cores & Accessories CLM-EFD15

B66414B2000X000
TDK
1: $0.361
34,264In Stock

Mfr. Part No.
B66414B2000X000

Mouser Part No
871-B66414B2000X000

TDK

Ferrite Cores & Accessories CLM-EFD15

Learn More

Datasheet

34,264In Stock

$0.361

$0.254

$0.221

$0.197

View

Min.: 1
Mult.: 1

EFD15/8/5

Hardware & Accessories

Ungapped

EFD Core

15 x 8 x 5

Bulk

Ferrite Cores & Accessories EFD20/10/7 N97OL

B66417G0000X197
TDK
1: $1.36
11,717In Stock

Mfr. Part No.
B66417G0000X197

Mouser Part No
871-B66417GX197

TDK

Ferrite Cores & Accessories EFD20/10/7 N97OL

Learn More

Datasheet

11,717In Stock

$1.36

$0.948

$0.816

$0.724

View

Min.: 1
Mult.: 1

EFD20/10/7

Ferrite Cores

Ungapped

EFD Core

20 x 10 x 7

2.15 uH

- 20 %, + 30 %

N97

Bulk

Ferrite Cores & Accessories EFD20/10/7 N87AL 100NH+/-10%

B66417U0100K187
TDK
1: $1.29
11,808In Stock

Mfr. Part No.
B66417U0100K187

Mouser Part No
871-B66417U100K187

TDK

Ferrite Cores & Accessories EFD20/10/7 N87AL 100NH+/-10%

Learn More

Datasheet

11,808In Stock

$1.29

$0.906

$0.78

$0.692

View

Min.: 1
Mult.: 1

EFD20/10/7

Ferrite Cores

Gapped

EFD Core

20 x 10 x 7

100 nH

10 %

N87

Bulk

Ferrite Cores & Accessories CLM-EFD20 2 PCS REQUIRED

B66418B2000X
TDK
1: $0.459
14,928In Stock
10,080Expected 10/8/2026

Mfr. Part No.
B66418B2000X

Mouser Part No
871-B66418B2000X

TDK

Ferrite Cores & Accessories CLM-EFD20 2 PCS REQUIRED

Learn More

Datasheet

14,928In Stock

10,080Expected 10/8/2026

$0.459

$0.324

$0.281

$0.25

View

Min.: 1
Mult.: 1

B66418B

Hardware & Accessories

Ungapped

EFD Core

20 x 10 x 7

Yoke

Bulk

Ferrite Cores & Accessories EFD25/13/9 N87

B66421GX187
TDK
1: $2.34
3,660In Stock

Mfr. Part No.
B66421GX187

Mouser Part No
871-B66421GX187

TDK

Ferrite Cores & Accessories EFD25/13/9 N87

Learn More

Datasheet

3,660In Stock

$2.34

$1.63

$1.39

$1.25

View

Min.: 1
Mult.: 1

B66421G

Ferrite Cores

Ungapped

EFD Core

25 x 13 x 9

2 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories EFD25/13/9 N87AL 315NH +/-10%

B66421U0315K187
TDK
1: $2.27
Lead-Time 8 Weeks

Mfr. Part No.
B66421U0315K187

Mouser Part No
871-B66421U0315K187

TDK

Ferrite Cores & Accessories EFD25/13/9 N87AL 315NH +/-10%

Learn More

Datasheet

Lead-Time 8 Weeks

$2.27

$1.57

$1.34

$1.19

View

Min.: 1
Mult.: 1

EFD25/13/9

Ferrite Cores

Gapped

EFD Core

25 x 13 x 9

315 nH

10 %

N87

Bulk

Ferrite Cores & Accessories CLM-EFD25 2 PCS REQUIRED

B66422B2000X
TDK
1: $0.653
7,015In Stock

Mfr. Part No.
B66422B2000X

Mouser Part No
871-B66422B2000X

TDK

Ferrite Cores & Accessories CLM-EFD25 2 PCS REQUIRED

Learn More

Datasheet

7,015In Stock

$0.653

$0.455

$0.393

$0.352

View

Min.: 1
Mult.: 1

B66422B

Hardware & Accessories

Ungapped

EFD Core

25 x 13 x 9

Bulk

Ferrite Cores & Accessories EFD30/15/9 N87

B66423U0160K187
TDK
1: $2.24
3,577In Stock

Mfr. Part No.
B66423U0160K187

Mouser Part No
871-B66423U160K187

TDK

Ferrite Cores & Accessories EFD30/15/9 N87

Learn More

Datasheet

3,577In Stock

$2.24

$1.56

$1.33

$1.17

View

Min.: 1
Mult.: 1

EFD30/15/9

Ferrite Cores

Gapped

EFD Core

30 x 15 x 9

160 nH

10 %

N87

Bulk

Ferrite Cores & Accessories COIL FORMER Laperos C 130

B66414B6008T001
TDK
1: $3.74
1,319In Stock

Mfr. Part No.
B66414B6008T001

Mouser Part No
871-B66414B6008T1

TDK

Ferrite Cores & Accessories COIL FORMER Laperos C 130

Learn More

Datasheet

1,319In Stock

$3.74

$2.59

$2.21

$1.95

View

Min.: 1
Mult.: 1

EFD15/8/5

Hardware & Accessories

Ungapped

EFD Core

15 x 8 x 5

Coil Former with J Hook

8 Pin

J Hook

Tray

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B66414W1008D1
TDK
1: $2.15
3,629In Stock

Mfr. Part No.
B66414W1008D1

Mouser Part No
871-B66414W1008D1

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

3,629In Stock

$2.15

$1.52

$1.29

$1.14

View

Min.: 1
Mult.: 1

B66414W

Hardware & Accessories

Ungapped

EFD Core

15 x 8 x 5

Coil Former with Solder Pins

8 Pin

Tray

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B66418W1008D1
TDK
1: $2.53
5,935In Stock
5,040Expected 10/11/2026

Mfr. Part No.
B66418W1008D1

Mouser Part No
871-B66418W1008D1

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

5,935In Stock

5,040Expected 10/11/2026

$2.53

$1.75

$1.50

$1.31

View

Min.: 1
Mult.: 1

B66418W

Hardware & Accessories

Ungapped

EFD Core

20 x 10 x 7

Coil Former with Solder Pins

8 Pin

Tray

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B66424W1012D1
TDK
1: $2.39
4,797In Stock

Mfr. Part No.
B66424W1012D1

Mouser Part No
871-B66424W1012D1

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

4,797In Stock

$2.39

$1.65

$1.43

$1.28

View

Min.: 1
Mult.: 1

B66424W

Hardware & Accessories

Ungapped

EFD Core

30 x 15 x 9

Coil Former with Solder Pins

12 Pin

Tray

Ferrite Cores & Accessories EFD15/8/5 N87AL 100 NH +/-10%

B66413U0100K187
TDK
1: $1.33
704In Stock
7,680Expected 15/12/2026

Mfr. Part No.
B66413U0100K187

Mouser Part No
871-B66413U0100K187

TDK

Ferrite Cores & Accessories EFD15/8/5 N87AL 100 NH +/-10%

Learn More

Datasheet

704In Stock

7,680Expected 15/12/2026

$1.33

$0.931

$0.802

$0.712

View

Min.: 1
Mult.: 1

EFD15/8/5

Ferrite Cores

Gapped

EFD Core

15 x 8 x 5

100 nH

10 %

N87

Bulk

EFD Core Ferrite Cores & Accessories

Customer Service Office

Company

Resources

Support

89
B66411U
B66413G
B66414W
B66417E
B66417G
B66417U
B66418B
B66418W
B66421G
B66421U
B66422B
B66422W
B66423G
B66423U
B66424W
EFD10/5/3
EFD15/8/5
EFD20/10/7
EFD25/13/9

40 nH
50 nH
55 nH
56 nH
63 nH
65 nH
70 nH
75 nH
83 nH
90 nH
100 nH
103 nH
117 nH
120 nH
125 nH
138 nH
160 nH
174 nH
230 nH
242 nH