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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.
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Please view our selection of ferrite cores below.

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Results: 3,245

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Part #

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

B66372B1000T001
TDK
1: $7.81
569In Stock

Mfr. Part No.
B66372B1000T001

Mouser Part No
871-B66372B1000T001

TDK

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

Learn More

Datasheet

569In Stock

$7.81

$6.38

$5.44

$5.10

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: $9.67
758In Stock

Mfr. Part No.
B66375G0000X127

Mouser Part No
871-B66375G0000X127

TDK

Ferrite Cores & Accessories E80/38/20 N27OL

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Datasheet

758In Stock

$9.67

$6.64

$5.21

$4.49

$4.12

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: $9.96
2,190In Stock

Mfr. Part No.
B66375G0000X187

Mouser Part No
871-B66375G0000X187

TDK

Ferrite Cores & Accessories E80/38/20 N87OL

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Datasheet

2,190In Stock

$9.96

$6.91

$5.49

$4.84

View

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: $12.46
572In Stock
336Expected 28/12/2026

Mfr. Part No.
B66387GX187

Mouser Part No
871-B66387GX187

TDK

Ferrite Cores & Accessories E65/32/27 N87OL

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Datasheet

572In Stock

336Expected 28/12/2026

$12.46

$8.40

$6.90

$6.88

View

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: $21.39
199In Stock

Mfr. Part No.
B66388A2000T001

Mouser Part No
871-B66388A2000T1

TDK

Ferrite Cores & Accessories CF-E65-1S

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Datasheet

199In Stock

$21.39

$17.46

$16.20

$15.52

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: $10.02
579In Stock
486Expected 16/10/2026

Mfr. Part No.
B66395G0000X187

Mouser Part No
871-B66395GX187

TDK

Ferrite Cores & Accessories ETD54/28/19 N87OL

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Datasheet

579In Stock

486Expected 16/10/2026

$10.02

$6.88

$5.63

$4.60

$4.26

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: $1.48
17,700In Stock

Mfr. Part No.
B66396A2000X000

Mouser Part No
871-B66396A2000X

TDK

Ferrite Cores & Accessories CLM-ETD54 2 PCS REQUIRED

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Datasheet

17,700In Stock

$1.48

$1.35

$1.23

$1.13

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: $4.91
3,042In Stock

Mfr. Part No.
B66396W1022T1

Mouser Part No
871-B66396W1022T1

TDK

Ferrite Cores & Accessories COIL FORMER RNITE FR 530

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Datasheet

3,042In Stock

$4.91

$4.45

$4.26

$3.84

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: $11.38
1,094In Stock
800Expected 30/10/2026

Mfr. Part No.
B66397GX187

Mouser Part No
871-B66397GX187

TDK

Ferrite Cores & Accessories ETD59/31/22 N87OL

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Datasheet

1,094In Stock

800Expected 30/10/2026

$11.38

$7.68

$6.43

$5.94

View

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: $16.14
1,106In Stock
1,280Expected 7/12/2026

Mfr. Part No.
B66397GX197

Mouser Part No
871-B66397GX197

TDK

Ferrite Cores & Accessories ETD59/31/22 N97OL

Learn More

Datasheet

1,106In Stock

1,280Expected 7/12/2026

$16.14

$11.17

$8.87

$8.30

View

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: $1.82
3,880In Stock
7,200On Order

Mfr. Part No.
B66398A2000X

Mouser Part No
871-B66398A2000X

TDK

Ferrite Cores & Accessories CLM-ETD59

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Datasheet

3,880In Stock

7,200On Order

$1.82

$1.66

$1.41

$1.32

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: $1.40
19,942In Stock
19,200Expected 14/1/2027

Mfr. Part No.
B66413GX187

Mouser Part No
871-B66413GX187

TDK

Ferrite Cores & Accessories EFD15/8/5 N87

Learn More

Datasheet

19,942In Stock

19,200Expected 14/1/2027

$1.40

$0.97

$0.834

$0.74

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 N97OL

B66413G0000X197
TDK
1: $1.94
11,020In Stock
26,880On Order

Mfr. Part No.
B66413G0000X197

Mouser Part No
871-B66413GX197

TDK

Ferrite Cores & Accessories EFD15/8/5 N97OL

Learn More

Datasheet

11,020In Stock

26,880On Order

$1.94

$1.35

$1.16

$1.03

View

Min.: 1
Mult.: 1

EFD15/8/5

Ferrite Cores

Ungapped

EFD Core

15 x 8 x 5

820 nH

- 20 %, + 30 %

N97

Bulk

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B66414W1008D1
TDK
1: $2.04
3,216In Stock

Mfr. Part No.
B66414W1008D1

Mouser Part No
871-B66414W1008D1

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

3,216In Stock

$2.04

$1.85

$1.70

$1.51

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: $1.62
10,643In Stock

Mfr. Part No.
B66417U0100K187

Mouser Part No
871-B66417U100K187

TDK

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

Learn More

Datasheet

10,643In Stock

$1.62

$1.12

$0.962

$0.854

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 EFD20/10/7 N87AL 160NH +/-10%

B66417U160K187
TDK
1: $1.62
5,440In Stock
3,780Expected 30/11/2026

Mfr. Part No.
B66417U160K187

Mouser Part No
871-B66417U160K187

TDK

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

Learn More

Datasheet

5,440In Stock

3,780Expected 30/11/2026

$1.62

$1.12

$0.962

$0.854

View

Min.: 1
Mult.: 1

B66417U

Ferrite Cores

Gapped

EFD Core

20 x 10 x 7

160 nH

10 %

N87

Bulk

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B66418W1008D1
TDK
1: $2.12
4,661In 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

4,661In Stock

5,040Expected 10/11/2026

$2.12

$1.93

$1.73

$1.52

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 EFD25/13/9 N87

B66421GX187
TDK
1: $2.43
2,943In Stock

Mfr. Part No.
B66421GX187

Mouser Part No
871-B66421GX187

TDK

Ferrite Cores & Accessories EFD25/13/9 N87

Learn More

Datasheet

2,943In Stock

$2.43

$1.69

$1.46

$1.30

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: $2.53
3,861In Stock

Mfr. Part No.
B66421U0250K187

Mouser Part No
871-B66421U250K187

TDK

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

Learn More

Datasheet

3,861In Stock

$2.53

$1.75

$1.51

$1.34

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 N87OL

B66423GX187
TDK
1: $2.15
4,525In Stock
6,300Expected 24/11/2026

Mfr. Part No.
B66423GX187

Mouser Part No
871-B66423GX187

TDK

Ferrite Cores & Accessories EFD30/15/9 N87OL

Learn More

Datasheet

4,525In Stock

6,300Expected 24/11/2026

$2.15

$1.33

$1.19

$1.11

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 N87

B66423U0160K187
TDK
1: $2.73
3,227In Stock

Mfr. Part No.
B66423U0160K187

Mouser Part No
871-B66423U160K187

TDK

Ferrite Cores & Accessories EFD30/15/9 N87

Learn More

Datasheet

3,227In Stock

$2.73

$1.89

$1.62

$1.43

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 CLM-EFD30

B66424B2000X000
TDK
1: $0.544
11,959In Stock

Mfr. Part No.
B66424B2000X000

Mouser Part No
871-B66424B2000X

TDK

Ferrite Cores & Accessories CLM-EFD30

Learn More

Datasheet

11,959In Stock

$0.544

$0.495

$0.477

$0.457

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: $1.85
3,214In Stock
7,800On Order

Mfr. Part No.
B66424W1012D1

Mouser Part No
871-B66424W1012D1

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

3,214In Stock

7,800On Order

$1.85

$1.69

$1.54

$1.36

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 ER18x3x10 PC200 1200 +25% -25%

B66480G0000X608
TDK
1: $2.69
3,221In Stock
4,536Expected 28/12/2026

Mfr. Part No.
B66480G0000X608

Mouser Part No
871-B66480G0000X608

TDK

Ferrite Cores & Accessories ER18x3x10 PC200 1200 +25% -25%

Learn More

Datasheet

3,221In Stock

4,536Expected 28/12/2026

$2.69

$1.86

$1.59

$1.41

View

Min.: 1
Mult.: 1

ER18/3/10

Ferrite Cores

Ungapped

ER Core

18 mm x 9.7 mm

1.2 uH

25 %

PC200

Bulk

Ferrite Cores & Accessories EQ20/6.3/14 N97

B66483G0000X197
TDK
1: $4.72
1,061In Stock

Mfr. Part No.
B66483G0000X197

Mouser Part No
871-B66483G0000X197

TDK

Ferrite Cores & Accessories EQ20/6.3/14 N97

Learn More

Datasheet

1,061In Stock

$4.72

$3.24

$2.75

$2.41

View

Min.: 1
Mult.: 1

EQ20/6.3/14

Ferrite Cores

Ungapped

EQ Core

20 x 14 x 6.3

3.2 uH

25 %

EIQ 20 Core Set

N97

Bulk

Ferrite Cores & Accessories

Customer Service Office

Company

Resources

Support

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