Ferrite Cores & Accessories – Mouser United Kingdom

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

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

Results: 62

Applied Filters:

Series

Product

Type

Core

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: £1.22
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

£1.22

£0.849

£0.727

£0.65

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: £0.653
4,609In Stock

Mfr. Part No.
B66421G0000X197

Mouser Part No
871-B66421GX197

TDK

Ferrite Cores & Accessories EFD25/13/9 N97OL

Learn More

Datasheet

4,609In Stock

£0.653

£0.54

£0.512

£0.48

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: £1.06
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

£1.06

£0.728

£0.629

£0.579

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: £1.48
5,690In Stock

Mfr. Part No.
B66422W1010D1

Mouser Part No
871-B66422W1010D1

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

5,690In Stock

£1.48

£1.01

£0.863

£0.766

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 EFD30/15/9 N97OL

B66423G0000X197
TDK
1: £1.51
1,229In Stock

Mfr. Part No.
B66423G0000X197

Mouser Part No
871-B66423GX197

TDK

Ferrite Cores & Accessories EFD30/15/9 N97OL

Learn More

Datasheet

1,229In Stock

£1.51

£1.05

£0.89

£0.788

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 EFD15/8/5 N87

B66413GX187
TDK
1: £0.548
24,404In Stock

Mfr. Part No.
B66413GX187

Mouser Part No
871-B66413GX187

TDK

Ferrite Cores & Accessories EFD15/8/5 N87

Learn More

Datasheet

24,404In Stock

£0.548

£0.381

£0.328

£0.292

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 EFD20/10/7 N97OL

B66417G0000X197
TDK
1: £0.736
8,597In Stock

Mfr. Part No.
B66417G0000X197

Mouser Part No
871-B66417GX197

TDK

Ferrite Cores & Accessories EFD20/10/7 N97OL

Learn More

Datasheet

8,597In Stock

£0.736

£0.512

£0.441

£0.391

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: £0.698
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

£0.698

£0.49

£0.421

£0.374

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 EFD25/13/9 N87

B66421GX187
TDK
1: £1.26
3,458In Stock

Mfr. Part No.
B66421GX187

Mouser Part No
871-B66421GX187

TDK

Ferrite Cores & Accessories EFD25/13/9 N87

Learn More

Datasheet

3,458In Stock

£1.26

£0.882

£0.749

£0.673

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 250NH+/-10%

B66421U0250K187
TDK
1: £1.32
3,900In Stock

Mfr. Part No.
B66421U0250K187

Mouser Part No
871-B66421U250K187

TDK

Ferrite Cores & Accessories EFD25/13/9 N87AL 250NH+/-10%

Learn More

Datasheet

3,900In Stock

£1.32

£0.925

£0.788

£0.697

View

Min.: 1
Mult.: 1

EFD25/13/9

Ferrite Cores

Gapped

EFD Core

25 x 13 x 9

250 nH

10 %

N87

Bulk

Ferrite Cores & Accessories EFD30/15/9 N87

B66423U0160K187
TDK
1: £1.20
3,277In Stock

Mfr. Part No.
B66423U0160K187

Mouser Part No
871-B66423U160K187

TDK

Ferrite Cores & Accessories EFD30/15/9 N87

Learn More

Datasheet

3,277In Stock

£1.20

£0.841

£0.717

£0.634

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 SUMIKON PM 9630

B66418W1008D1
TDK
1: £1.37
5,585In 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

5,585In Stock

5,040Expected 10/11/2026

£1.37

£0.943

£0.811

£0.711

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 CLM-EFD30

B66424B2000X000
TDK
1: £0.405
14,872In Stock

Mfr. Part No.
B66424B2000X000

Mouser Part No
871-B66424B2000X

TDK

Ferrite Cores & Accessories CLM-EFD30

Learn More

Datasheet

14,872In Stock

£0.405

£0.284

£0.245

£0.219

View

Min.: 1
Mult.: 1

EFD30/15/9

Hardware & Accessories

Ungapped

EFD Core

30 x 15 x 9

Yoke

Bulk

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B66424W1012D1
TDK
1: £1.29
4,717In Stock

Mfr. Part No.
B66424W1012D1

Mouser Part No
871-B66424W1012D1

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

4,717In Stock

£1.29

£0.89

£0.773

£0.692

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-N87-A160 +/-0.15

B66413U0160L187
TDK
1: £0.638
3,781In Stock

Mfr. Part No.
B66413U0160L187

Mouser Part No
871-B66413U0160L187

TDK

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

Learn More

Datasheet

3,781In Stock

£0.638

£0.446

£0.383

£0.34

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 EFD20/10/7N49OL

B66417G0000X149
TDK
1: £0.908
1,939In Stock

Mfr. Part No.
B66417G0000X149

Mouser Part No
871-B66417G0000X149

TDK

Ferrite Cores & Accessories EFD20/10/7N49OL

Learn More

Datasheet

1,939In Stock

£0.908

£0.631

£0.542

£0.48

View

Min.: 1
Mult.: 1

EFD20/10/7

Ferrite Cores

Ungapped

EFD Core

20 x 10 x 7

910 nH

- 20 %, + 30 %

N49

Bulk

Ferrite Cores & Accessories EFD20x10x7 PC200 560 +30% -20%

B66417G0000X608
TDK
1: £1.05
815In Stock

Mfr. Part No.
B66417G0000X608

Mouser Part No
871-B66417G0000X608

TDK

Ferrite Cores & Accessories EFD20x10x7 PC200 560 +30% -20%

Learn More

Datasheet

815In Stock

£1.05

£0.729

£0.625

£0.553

View

Min.: 1
Mult.: 1

EFD20/10/7

Ferrite Cores

Ungapped

EFD Core

20 mm x 6.65 mm

560 nH

- 20 %, + 30 %

PC200

Bulk

Ferrite Cores & Accessories EFD20/10/7 N87AL 250NH +/-10%

B66417U0250K187
TDK
1: £0.698
2,538In Stock
5,040Expected 06/10/2026

Mfr. Part No.
B66417U0250K187

Mouser Part No
871-B66417U0250K187

TDK

Ferrite Cores & Accessories EFD20/10/7 N87AL 250NH +/-10%

Learn More

Datasheet

2,538In Stock

5,040Expected 06/10/2026

£0.698

£0.49

£0.421

£0.374

View

Min.: 1
Mult.: 1

EFD20/10/7

Ferrite Cores

Gapped

EFD Core

20 x 10 x 7

250 nH

10 %

N87

Bulk

Ferrite Cores & Accessories EFD20/10/7 N87AL 160NH +/-10%

B66417U160K187
TDK
1: £0.518
3,330In Stock
3,780Expected 17/08/2026

Mfr. Part No.
B66417U160K187

Mouser Part No
871-B66417U160K187

TDK

Ferrite Cores & Accessories EFD20/10/7 N87AL 160NH +/-10%

Learn More

Datasheet

3,330In Stock

3,780Expected 17/08/2026

£0.518

£0.41

£0.375

£0.351

View

Min.: 1
Mult.: 1

B66417U

Ferrite Cores

Gapped

EFD Core

20 x 10 x 7

160 nH

10 %

N87

Bulk

Ferrite Cores & Accessories CLM-EFD20 2 PCS REQUIRED

B66418B2000X
TDK
1: £0.248
9,058In Stock
26,460On Order

Mfr. Part No.
B66418B2000X

Mouser Part No
871-B66418B2000X

TDK

Ferrite Cores & Accessories CLM-EFD20 2 PCS REQUIRED

Learn More

Datasheet

9,058In Stock

26,460On Order

£0.248

£0.175

£0.152

£0.135

View

Min.: 1
Mult.: 1

B66418B

Hardware & Accessories

Ungapped

EFD Core

20 x 10 x 7

Yoke

Bulk

Ferrite Cores & Accessories EFD25/13/9 N87AL 160NH +/-10%

B66421U0160K187
TDK
1: £1.20
1,991In Stock

Mfr. Part No.
B66421U0160K187

Mouser Part No
871-B66421U0160K187

TDK

Ferrite Cores & Accessories EFD25/13/9 N87AL 160NH +/-10%

Learn More

Datasheet

1,991In Stock

£1.20

£0.834

£0.713

£0.63

View

Min.: 1
Mult.: 1

EFD25/13/9

Ferrite Cores

Gapped

EFD Core

25 x 13 x 9

160 nH

10 %

N87

Bulk

Ferrite Cores & Accessories CLM-EFD25 2 PCS REQUIRED

B66422B2000X
TDK
1: £0.353
6,823In Stock

Mfr. Part No.
B66422B2000X

Mouser Part No
871-B66422B2000X

TDK

Ferrite Cores & Accessories CLM-EFD25 2 PCS REQUIRED

Learn More

Datasheet

6,823In Stock

£0.353

£0.245

£0.212

£0.19

View

Min.: 1
Mult.: 1

B66422B

Hardware & Accessories

Ungapped

EFD Core

25 x 13 x 9

Bulk

Ferrite Cores & Accessories EFD30/15/9 N87OL

B66423GX187
TDK
1: £1.07
1,876In Stock
4,500Expected 28/07/2026

Mfr. Part No.
B66423GX187

Mouser Part No
871-B66423GX187

TDK

Ferrite Cores & Accessories EFD30/15/9 N87OL

Learn More

Datasheet

1,876In Stock

4,500Expected 28/07/2026

£1.07

£0.653

£0.588

£0.548

View

Min.: 1
Mult.: 1

B66423G

Ferrite Cores

Ungapped

EFD Core

30 x 15 x 9

2.05 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories EFD30/15/9 N87AL 250NH +/-10%

B66423U0250K187
TDK
1: £1.20
548In Stock

Mfr. Part No.
B66423U0250K187

Mouser Part No
871-B66423U0250K187

TDK

Ferrite Cores & Accessories EFD30/15/9 N87AL 250NH +/-10%

Learn More

Datasheet

548In Stock

£1.20

£0.841

£0.717

£0.634

View

Min.: 1
Mult.: 1

EFD30/15/9

Ferrite Cores

Gapped

EFD Core

30 x 15 x 9

250 nH

10 %

N87

Bulk

Ferrite Cores & Accessories EFD15/8/5 N97OL

B66413G0000X197
TDK
1: £0.826
38,400On Order

Mfr. Part No.
B66413G0000X197

Mouser Part No
871-B66413GX197

TDK

Ferrite Cores & Accessories EFD15/8/5 N97OL

Learn More

Datasheet

38,400On Order

£0.826

£0.574

£0.493

£0.437

View

Min.: 1
Mult.: 1

EFD15/8/5

Ferrite Cores

Ungapped

EFD Core

15 x 8 x 5

820 nH

- 20 %, + 30 %

N97

Bulk

Customer Service Office

Company

Resources

Support

B66411U
B66413G
B66417E
B66417G
B66417U
B66418B
B66418W
B66421G
B66421U
B66422B
B66422W
B66423G
B66423U
B66424
B66424W
EFD10/5/3
EFD15/8/5
EFD20/10/7
EFD25/13/9
EFD30/15/9

40 nH
50 nH
63 nH
70 nH
75 nH
83 nH
90 nH
100 nH
103 nH
117 nH
120 nH
160 nH
230 nH
250 nH
277 nH
315 nH
370 nH
400 nH
450 nH
500 nH