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

Ferrite Cores & Accessories

Ferrite Cores are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many ferrite core manufacturers including Fair-Rite, Proterial, TDK, & more.
More...

Please view our selection of ferrite cores below.

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

Results: 3,246

Applied Filters:

Manufacturer

Series

Product

Type

Core

Core Size

Inductance

Tolerance

Accessory Type

Number of Pins

Core Material

Termination Style

Qualification

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 CLM-ETD34 2 PCS REQUIRED

B66362A2000X000
TDK
1: ¥129.6
6,145In Stock

Mfr. Part #
B66362A2000X000

Mouser Part #
871-B66362A2000X

TDK

Ferrite Cores & Accessories CLM-ETD34 2 PCS REQUIRED

Learn More

Datasheet

6,145In Stock

¥129.6

¥89

¥76.9

¥68.4

View

Min.: 1
Mult.: 1

ETD34/17/11

Hardware & Accessories

Ungapped

ETD Core

34 x 17 x 11

Bulk

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

B66362B1014T001
TDK
1: ¥518.2
5,982In Stock

Mfr. Part #
B66362B1014T001

Mouser Part #
871-B66362B1014T001

TDK

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

Learn More

Datasheet

5,982In Stock

¥518.2

¥358.8

¥307.3

¥270.7

View

Min.: 1
Mult.: 1

ETD34/17/11

Hardware & Accessories

Ungapped

ETD Core

34 x 17 x 11

14 Pin

Tray

Ferrite Cores & Accessories COIL FORMER RNITE FR 530

B66362X1014T001
TDK
1: ¥441.8
2,409In Stock

Mfr. Part #
B66362X1014T001

Mouser Part #
871-B66362X1014T1

TDK

Ferrite Cores & Accessories COIL FORMER RNITE FR 530

Learn More

Datasheet

2,409In Stock

¥441.8

¥327.2

¥280.7

¥250.8

¥229.2

Min.: 1
Mult.: 1

ETD34/17/11

Hardware & Accessories

Ungapped

ETD Core

34 x 17 x 11

14 Pin

Tray

Ferrite Cores & Accessories ETD39/20/13 N87 gap 0.5 mm

B66363G500X187
TDK
1: ¥632.8
7,429In Stock

Mfr. Part #
B66363G500X187

Mouser Part #
871-B66363G500X187

TDK

Ferrite Cores & Accessories ETD39/20/13 N87 gap 0.5 mm

Learn More

Datasheet

7,429In Stock

¥632.8

¥435.2

¥368.7

¥323.9

View

Min.: 1
Mult.: 1

B66363G

Ferrite Cores

Gapped

ETD Core

39 x 20 x 13

326 nH

N87

Bulk

Ferrite Cores & Accessories ETD39/20/13 N87 2700 +30% -20%

B66363GX187
TDK
1: ¥632.8
6,004In Stock
4,800Expected 12/7/2026

Mfr. Part #
B66363GX187

Mouser Part #
871-B66363GX187

TDK

Ferrite Cores & Accessories ETD39/20/13 N87 2700 +30% -20%

Learn More

Datasheet

6,004In Stock

4,800Expected 12/7/2026

¥632.8

¥435.2

¥368.7

¥323.9

View

Min.: 1
Mult.: 1

B66363G

Ferrite Cores

Ungapped

ETD Core

39 x 20 x 13

2.7 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories ETD39/20/13 N97OL

B66363G0000X197
TDK
1: ¥760.7
2,399In Stock

Mfr. Part #
B66363G0000X197

Mouser Part #
871-B66363GX197

TDK

Ferrite Cores & Accessories ETD39/20/13 N97OL

Learn More

Datasheet

2,399In Stock

¥760.7

¥519.9

¥441.8

¥387

View

Min.: 1
Mult.: 1

ETD39/20/13

Ferrite Cores

Ungapped

ETD Core

39 x 20 x 13

2.8 uH

- 20 %, + 30 %

N97

Bulk

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

B66364B1016T001
TDK
1: ¥503.3
1,934In Stock
6,000On Order

Mfr. Part #
B66364B1016T001

Mouser Part #
871-B66364B1016T001

TDK

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

Learn More

Datasheet

1,934In Stock

6,000On Order

¥503.3

¥347.1

¥295.7

¥260.8

View

Min.: 1
Mult.: 1

ETD39/20/13

Hardware & Accessories

Gapped

ETD Core

39 x 20 x 13

16 Pin

Tray

Ferrite Cores & Accessories CLM-ETD49 2 PCS REQUIRED

B66368A2000X
TDK
1: ¥134.5
6,241In Stock
3,000Expected 11/27/2026

Mfr. Part #
B66368A2000X

Mouser Part #
871-B66368A2000X

TDK

Ferrite Cores & Accessories CLM-ETD49 2 PCS REQUIRED

Learn More

Datasheet

6,241In Stock

3,000Expected 11/27/2026

¥134.5

¥93.7

¥80.7

¥71.9

View

Min.: 1
Mult.: 1

B66368A

Hardware & Accessories

Ungapped

ETD Core

49 x 25 x 16

Yoke

Bulk

Ferrite Cores & Accessories COIL FORMER RYNITE FR 530

B66368W1020T001
TDK
1: ¥529.9
1,406In Stock
1,680Expected 2/5/2027

Mfr. Part #
B66368W1020T001

Mouser Part #
871-B66368W1020T001

TDK

Ferrite Cores & Accessories COIL FORMER RYNITE FR 530

Learn More

Datasheet

1,406In Stock

1,680Expected 2/5/2027

¥529.9

¥365.4

¥312.3

¥275.7

View

Min.: 1
Mult.: 1

ETD49/25/16

Hardware & Accessories

Ungapped

ETD Core

49 x 25 x 16

Coil Former with Solder Pins

20 Pin

Tray

Ferrite Cores & Accessories E70/33/32 N87OL

B66371G0000X187
TDK
1: ¥2,119.4
826In Stock
2,250On Order

Mfr. Part #
B66371G0000X187

Mouser Part #
871-B66371G0000X187

TDK

Ferrite Cores & Accessories E70/33/32 N87OL

Learn More

Datasheet

826In Stock

2,250On Order

¥2,119.4

¥1,541.4

¥1,234.1

¥1,174.3

¥1,107.9

Min.: 1
Mult.: 1

E70/33/32

Ferrite Cores

Ungapped

E Core

70 x 33 x 32

9.7 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories CF-E70/33/32-1S BOBBIN/COILFORMER

B66372B1000T001
TDK
1: ¥1,076.3
569In Stock

Mfr. Part #
B66372B1000T001

Mouser Part #
871-B66372B1000T001

TDK

Ferrite Cores & Accessories CF-E70/33/32-1S BOBBIN/COILFORMER

Learn More

Datasheet

569In Stock

¥1,076.3

¥737.5

¥626.2

¥548.1

View

Min.: 1
Mult.: 1

E70/33/32

Ungapped

E 70 x 33 x 32

Tray

Ferrite Cores & Accessories E80/38/20 N27OL

B66375G0000X127
TDK
1: ¥1,147.8
678In Stock
80Expected 8/14/2026

Mfr. Part #
B66375G0000X127

Mouser Part #
871-B66375G0000X127

TDK

Ferrite Cores & Accessories E80/38/20 N27OL

Learn More

Datasheet

678In Stock

80Expected 8/14/2026

¥1,147.8

¥795.6

¥637.8

¥583

¥548.1

Min.: 1
Mult.: 1

E80/38/20

Ferrite Cores

Ungapped

E Core

80 x 38 x 20

4.15 uH

- 20 %, + 30 %

N27

Bulk

Ferrite Cores & Accessories E80/38/20 N87OL

B66375G0000X187
TDK
1: ¥1,179.3
1,404In Stock
800Expected 8/20/2026

Mfr. Part #
B66375G0000X187

Mouser Part #
871-B66375G0000X187

TDK

Ferrite Cores & Accessories E80/38/20 N87OL

Learn More

Datasheet

1,404In Stock

800Expected 8/20/2026

¥1,179.3

¥817.2

¥654.4

¥599.6

¥564.7

Min.: 1
Mult.: 1

E80/38/20

Ferrite Cores

Ungapped

E Core

80 x 38 x 20

4.5 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories E65/32/27 N87OL

B66387GX187
TDK
1: ¥1,752.4
628In Stock
336Expected 12/28/2026

Mfr. Part #
B66387GX187

Mouser Part #
871-B66387GX187

TDK

Ferrite Cores & Accessories E65/32/27 N87OL

Learn More

Datasheet

628In Stock

336Expected 12/28/2026

¥1,752.4

¥1,274

¥1,019.9

¥970

¥915.2

Min.: 1
Mult.: 1

B66387G

Ferrite Cores

Ungapped

E Core

65 x 32 x 27

7.9 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories CF-E65-1S

B66388A2000T001
TDK
1: ¥3,031.3
199In Stock

Mfr. Part #
B66388A2000T001

Mouser Part #
871-B66388A2000T1

TDK

Ferrite Cores & Accessories CF-E65-1S

Learn More

Datasheet

199In Stock

¥3,031.3

¥2,069.6

¥1,843.7

¥1,802.2

View

Min.: 1
Mult.: 1

E65/32/27

Hardware & Accessories

Ungapped

E Core

65 x 32 x 27

Coil Former

Tray

Ferrite Cores & Accessories ETD54/28/19 N87OL

B66395G0000X187
TDK
1: ¥1,197.6
604In Stock
486Expected 10/16/2026

Mfr. Part #
B66395G0000X187

Mouser Part #
871-B66395GX187

TDK

Ferrite Cores & Accessories ETD54/28/19 N87OL

Learn More

Datasheet

604In Stock

486Expected 10/16/2026

¥1,197.6

¥832.2

¥666.1

¥609.6

View

Min.: 1
Mult.: 1

ETD54/28/19

Ferrite Cores

Ungapped

ETD Core

54 x 28 x 19

4.45 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories CLM-ETD54 2 PCS REQUIRED

B66396A2000X000
TDK
1: ¥219.3
6,366In Stock
13,500Expected 8/31/2026

Mfr. Part #
B66396A2000X000

Mouser Part #
871-B66396A2000X

TDK

Ferrite Cores & Accessories CLM-ETD54 2 PCS REQUIRED

Learn More

Datasheet

6,366In Stock

13,500Expected 8/31/2026

¥219.3

¥152

¥131.1

¥120.6

View

Min.: 1
Mult.: 1

ETD54/28/19

Hardware & Accessories

Ungapped

ETD Core

54 x 28 x 19

Bulk

Ferrite Cores & Accessories COIL FORMER RNITE FR 530

B66396W1022T1
TDK
1: ¥581.4
3,229In Stock

Mfr. Part #
B66396W1022T1

Mouser Part #
871-B66396W1022T1

TDK

Ferrite Cores & Accessories COIL FORMER RNITE FR 530

Learn More

Datasheet

3,229In Stock

¥581.4

¥519.9

¥468.4

¥426.9

View

Min.: 1
Mult.: 1

B66396W

Hardware & Accessories

Ungapped

ETD Core

54 x 28 x 19

22 Pin

Tray

Ferrite Cores & Accessories ETD59/31/22 N87OL

B66397GX187
TDK
1: ¥1,239.1
1,566In Stock

Mfr. Part #
B66397GX187

Mouser Part #
871-B66397GX187

TDK

Ferrite Cores & Accessories ETD59/31/22 N87OL

Learn More

Datasheet

1,566In Stock

¥1,239.1

¥858.7

¥687.7

¥629.5

¥593

Min.: 1
Mult.: 1

B66397G

Ferrite Cores

Ungapped

ETD Core

59 x 31 x 22

5.3 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories ETD59/31/22 N97OL

B66397GX197
TDK
1: ¥1,860.3
1,106In Stock
1,280Expected 12/7/2026

Mfr. Part #
B66397GX197

Mouser Part #
871-B66397GX197

TDK

Ferrite Cores & Accessories ETD59/31/22 N97OL

Learn More

Datasheet

1,106In Stock

1,280Expected 12/7/2026

¥1,860.3

¥1,352.1

¥1,081.3

¥1,029.8

¥971.7

Min.: 1
Mult.: 1

B66397G

Ferrite Cores

Ungapped

ETD Core

59 x 31 x 22

5.5 uH

- 20 %, + 30 %

N97

Bulk

Ferrite Cores & Accessories CLM-ETD59

B66398A2000X
TDK
1: ¥274.1
3,944In Stock
7,200On Order

Mfr. Part #
B66398A2000X

Mouser Part #
871-B66398A2000X

TDK

Ferrite Cores & Accessories CLM-ETD59

Learn More

Datasheet

3,944In Stock

7,200On Order

¥274.1

¥189.4

¥163.4

¥150.5

View

Min.: 1
Mult.: 1

B66398A

Hardware & Accessories

Ungapped

ETD Core

59 x 31 x 22

Yoke

Bulk

Ferrite Cores & Accessories EFD15/8/5 N87

B66413GX187
TDK
1: ¥167.8
19,942In Stock
19,200Expected 9/9/2026

Mfr. Part #
B66413GX187

Mouser Part #
871-B66413GX187

TDK

Ferrite Cores & Accessories EFD15/8/5 N87

Learn More

Datasheet

19,942In Stock

19,200Expected 9/9/2026

¥167.8

¥116.6

¥100.2

¥89

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 COIL FORMER SUMIKON PM 9630

B66414W1008D1
TDK
1: ¥342.2
3,216In Stock

Mfr. Part #
B66414W1008D1

Mouser Part #
871-B66414W1008D1

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

3,216In Stock

¥342.2

¥235.9

¥202.6

¥179.4

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 EFD20/10/7 N87AL 100NH+/-10%

B66417U0100K187
TDK
1: ¥197.7
10,753In Stock

Mfr. Part #
B66417U0100K187

Mouser Part #
871-B66417U100K187

TDK

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

Learn More

Datasheet

10,753In Stock

¥197.7

¥136.5

¥117.4

¥104.3

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 COIL FORMER SUMIKON PM 9630

B66418W1008D1
TDK
1: ¥184.4
4,956In Stock
5,040Expected 11/10/2026

Mfr. Part #
B66418W1008D1

Mouser Part #
871-B66418W1008D1

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

4,956In Stock

5,040Expected 11/10/2026

¥184.4

¥167.8

¥160.1

¥155.5

View

Min.: 1
Mult.: 1

B66418W

Hardware & Accessories

Ungapped

EFD Core

20 x 10 x 7

Coil Former with Solder Pins

8 Pin

Tray

26
30
38
40
56
59
61
62
65
66
78
89
90
92
93
94
95
96
98
35N

Accessories
Amorphous Core
Cable Single
Clamp
Coil Former
Coil Former (Bobbins)
Cut Core
Distributed Gap
Double Aperture Core
End Clip
EQ Core
Ferrite Block
Ferrite Blocks
Ferrite Core for Switching Power Supplies
Ferrite Core for Telecommunication
Gapped
I Core
Insulating Washer
Mounting Assembly
Multi-Hole Connector Plate

DE Core
DU Core
EC Core
E Core
EE Core
EER Core
EF Core
EFD Core
EI Core
ELP Core
EM Core
EP Core
EPO Core
EPX Core
EQ Core
ER Core
ER LP Core
ETD Core
EV Core
FEM Core

5.95 mm x 1.65 mm
9.5 mm x 5 mm
9.7 mm x 3.3 mm
11 mm x 6 mm
11.4 mm x 4.6 mm
12.95 mm x 4.9 mm
12.95 mm x 6.6 mm
14 mm x 5 mm
14.5 mm x 6.7 mm
14.6 mm x 6.8 mm
15 mm x 4.65 mm
17.9 mm x 8.2 mm
18 mm x 10 mm
18 mm x 9.7 mm
20 mm x 6.65 mm
21.8 mm x 15.8 mm
22.5 mm x 6.6 mm
23.2 mm x 11 mm
23.2 mm x 12.5 mm
25 mm x 18 mm

2.4 nH
4.75 nH
5.2 nH
16 nH
17 nH
17.5 nH
18 nH
20 nH
21 nH
25 nH
26 nH
32 nH
35 nH
38 nH
39 nH
40 nH
45 nH
49 nH
50 nH
55 nH

0.03 %
0.04 %
0.05 %
0.08 %
0.1 %
0.15 %
0.25 %
- 30 %, + 40 %
- 20 %, + 30 %
2 %
3 %
4 %
5 %
6 %
7 %
8 %
10 %
12 %
15 %
20 %

31
43
44
52
61
67
68
75
77
78
95
96
98
9415
ABS
E130I
E Core
Ferrite
Finemet
GFR Liquid Crystal Polymer