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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 ELP-38/8/25 W/I-38/4/25 N87

B66289K0000X187
TDK
1: $9.38
553In Stock
900Expected 25/12/2026

Mfr. Part No.
B66289K0000X187

Mouser Part No
871-B66289KX187

TDK

Ferrite Cores & Accessories ELP-38/8/25 W/I-38/4/25 N87

Learn More

Datasheet

553In Stock

900Expected 25/12/2026

$9.38

$6.43

$5.22

$4.72

View

Min.: 1
Mult.: 1

I38/4/25

Ferrite Cores

Ungapped

I Core

38 x 4 x 25

8.3 uH

25 %

EILP 38 Core Set

N87

Bulk

Ferrite Cores & Accessories CLI-EILP38/12/25

B66290A2000X000
TDK
1: $3.56
1,876In Stock

Mfr. Part No.
B66290A2000X000

Mouser Part No
871-B66290A2000X000

TDK

Ferrite Cores & Accessories CLI-EILP38/12/25

Learn More

1,876In Stock

$3.56

$2.46

$2.11

$1.86

View

Min.: 1
Mult.: 1

ELP38/8/25

Ferrite Cores

Ungapped

ELP Core

38 x 12 x 25

Bulk

Ferrite Cores & Accessories I43/4/28 N87 8500 +25% -25%

B66291K0000X187
TDK
1: $9.91
504In Stock

Mfr. Part No.
B66291K0000X187

Mouser Part No
871-B66291KX187

TDK

Ferrite Cores & Accessories I43/4/28 N87 8500 +25% -25%

Learn More

Datasheet

504In Stock

$9.91

$6.80

$5.55

$4.98

View

Min.: 1
Mult.: 1

I43/4/28

Ferrite Cores

Ungapped

I Core

43 x 4 x 28

8.5 uH

25 %

EILP 43 Core Set

N87

Bulk

Ferrite Cores & Accessories ELP58/11/38 N87 7400 '+25%-25%

B66293G0000X187
TDK
1: $26.57
385In Stock
600Expected 28/8/2026

Mfr. Part No.
B66293G0000X187

Mouser Part No
871-B66293G0000X187

TDK

Ferrite Cores & Accessories ELP58/11/38 N87 7400 '+25%-25%

Learn More

Datasheet

385In Stock

600Expected 28/8/2026

$26.57

$17.86

$14.89

$13.50

View

Min.: 1
Mult.: 1

ELP58/11/38

Ferrite Cores

Ungapped

ELP Core

58 x 11 x 38

7.4 uH

25 %

EILP 58 Core Set

N87

Bulk

Ferrite Cores & Accessories I58/4/38 N87 8400 +25% -25%

B66293K0000X187
TDK
1: $22.98
230In Stock

Mfr. Part No.
B66293K0000X187

Mouser Part No
871-B66293KX187

TDK

Ferrite Cores & Accessories I58/4/38 N87 8400 +25% -25%

Learn More

Datasheet

230In Stock

$22.98

$15.23

$12.70

$10.99

Min.: 1
Mult.: 1

ILP58/4/38

Ferrite Cores

Ungapped

I Core

58 x 11 x 38

8.4 uH

25 %

EILP 58 Core Set

N87

Bulk

Ferrite Cores & Accessories ELP64/10/50 N49 8000 '+30%-30%

B66295G0000X149
TDK
1: $29.89
120In Stock
120Expected 1/1/2027

Mfr. Part No.
B66295G0000X149

Mouser Part No
871-B66295G0000X149

TDK

Ferrite Cores & Accessories ELP64/10/50 N49 8000 '+30%-30%

Learn More

Datasheet

120In Stock

120Expected 1/1/2027

$29.89

$20.06

$16.58

$15.46

View

Min.: 1
Mult.: 1

ELP64/10/50

Ferrite Cores

Ungapped

ELP Core

64 x 10 x 50

8 uH

30 %

EILP 64 Core Set

N49

Bulk

Ferrite Cores & Accessories ELP 64/10/50 N87 12500 '+25%-25%

B66295G0000X187
TDK
1: $28.22
304In Stock

Mfr. Part No.
B66295G0000X187

Mouser Part No
871-B66295G0000X187

TDK

Ferrite Cores & Accessories ELP 64/10/50 N87 12500 '+25%-25%

Learn More

Datasheet

304In Stock

$28.22

$18.58

$16.02

$15.23

View

Min.: 1
Mult.: 1

ELP64/10/50

Ferrite Cores

Ungapped

ELP Core

64 x 10 x 50

12.5 uH

25 %

EILP 64 Core Set

N87

Bulk

Ferrite Cores & Accessories ELP 64/10/50 N97 12500 '+25%-25%

B66295G0000X197
TDK
1: $32.95
465In Stock
360Expected 23/11/2026

Mfr. Part No.
B66295G0000X197

Mouser Part No
871-B66295G0000X197

TDK

Ferrite Cores & Accessories ELP 64/10/50 N97 12500 '+25%-25%

Learn More

Datasheet

465In Stock

360Expected 23/11/2026

$32.95

$21.61

$19.24

$18.31

View

Min.: 1
Mult.: 1

ELP64/10/50

Ferrite Cores

Ungapped

ELP Core

64 x 10 x 50

12.5 uH

25 %

EILP 64 Core Set

N97

Bulk

Ferrite Cores & Accessories E13/7/4 N87OL

B66305G0000X187
TDK
1: $0.993
12,571In Stock

Mfr. Part No.
B66305G0000X187

Mouser Part No
871-B66305G0000X187

TDK

Ferrite Cores & Accessories E13/7/4 N87OL

Datasheet

12,571In Stock

$0.993

$0.681

$0.588

$0.524

View

Min.: 1
Mult.: 1

E13/7/4

Ferrite Cores

Ungapped

E Core

13 x 7 x 4 (EF 12.6)

850 nH

- 20 %, + 30 %

Core

N87

Bulk

Ferrite Cores & Accessories CORE 112uH 0.7A

B66305G0130X187
TDK
1: $0.979
8,933In Stock

Mfr. Part No.
B66305G0130X187

Mouser Part No
871-B66305G130X187

TDK

Ferrite Cores & Accessories CORE 112uH 0.7A

Learn More

Datasheet

8,933In Stock

$0.979

$0.681

$0.588

$0.524

View

Min.: 1
Mult.: 1

E13/7/4

Ferrite Cores

Gapped

E Core

13 x 7 x 4 (EF 12.6)

130 nH

0.1 %

N87

Bulk

Ferrite Cores & Accessories CF-E13/7 4-HSG-1S-10P

B66306C1010T001
TDK
1: $3.13
7,928In Stock
20,700On Order

Mfr. Part No.
B66306C1010T001

Mouser Part No
871-B66306C1010T001

TDK

Ferrite Cores & Accessories CF-E13/7 4-HSG-1S-10P

Learn More

Datasheet

7,928In Stock

20,700On Order

$3.13

$2.48

$2.31

$2.24

View

Min.: 1
Mult.: 1

E13/7/4

Hardware & Accessories

Ungapped

E Core

13 x 7 x 4 (EF 12.6)

Coil Former with Gull Wing Terminals

10 Pin

SMD/SMT

Tray

Ferrite Cores & Accessories 100 nH 16 x 8 x 5 (EF 16) E Core Gapped N87

B66307G100X187
TDK
1: $1.22
17,404In Stock

Mfr. Part No.
B66307G100X187

Mouser Part No
871-B66307G100X187

TDK

Ferrite Cores & Accessories 100 nH 16 x 8 x 5 (EF 16) E Core Gapped N87

Learn More

Datasheet

17,404In Stock

$1.22

$0.845

$0.726

$0.645

View

Min.: 1
Mult.: 1

B66307G

Ferrite Cores

Gapped

E Core

16 x 8 x 5 (EF 16)

100 nH

N87

Bulk

Ferrite Cores & Accessories E16/8/5 N30 1400 +30% -20%

B66307GX130
TDK
1: $1.26
9,370In Stock

Mfr. Part No.
B66307GX130

Mouser Part No
871-B66307GX130

TDK

Ferrite Cores & Accessories E16/8/5 N30 1400 +30% -20%

Learn More

Datasheet

9,370In Stock

$1.26

$0.881

$0.759

$0.675

View

Min.: 1
Mult.: 1

B66307G

Ferrite Cores

Ungapped

E Core

16 x 8 x 5 (EF 16)

1.4 uH

- 20 %, + 30 %

N30

Bulk

Ferrite Cores & Accessories N87 1000 +30% -20%

B66307GX187
TDK
1: $1.24
20,543In Stock

Mfr. Part No.
B66307GX187

Mouser Part No
871-B66307GX187

TDK

Ferrite Cores & Accessories N87 1000 +30% -20%

Learn More

Datasheet

20,543In Stock

$1.24

$0.858

$0.738

$0.656

View

Min.: 1
Mult.: 1

B66307G

Ferrite Cores

Ungapped

E Core

16 x 8 x 5 (EF 16)

1 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories E20/10/6 N30

B66311G0000X130
TDK
1: $1.50
8,238In Stock

Mfr. Part No.
B66311G0000X130

Mouser Part No
871-B66311G0000X130

TDK

Ferrite Cores & Accessories E20/10/6 N30

Learn More

Datasheet

8,238In Stock

$1.50

$1.04

$0.891

$0.79

View

Min.: 1
Mult.: 1

E20/10/6

Ferrite Cores

Ungapped

E Core

20 x 10 x 6 (EF 20)

2.15 uH

- 20 %, + 30 %

Core

N30

Bulk

Ferrite Cores & Accessories E20/10/6 N87LP=0.1

B66311G0100X187
TDK
1: $1.71
4,261In Stock

Mfr. Part No.
B66311G0100X187

Mouser Part No
871-B66311G0100X187

TDK

Ferrite Cores & Accessories E20/10/6 N87LP=0.1

Learn More

Datasheet

4,261In Stock

$1.71

$1.18

$1.02

$0.922

View

Min.: 1
Mult.: 1

E20/10/6

Ferrite Cores

Gapped

E Core

20 x 10 x 6 (EF 20)

100 nH

N87

Bulk

Ferrite Cores & Accessories E20/10/6 N27LP 0.170 MM

B66311G0170X127
TDK
1: $1.62
3,930In Stock

Mfr. Part No.
B66311G0170X127

Mouser Part No
871-B66311G0170X127

TDK

Ferrite Cores & Accessories E20/10/6 N27LP 0.170 MM

Learn More

Datasheet

3,930In Stock

$1.62

$1.12

$0.962

$0.854

View

Min.: 1
Mult.: 1

E20/10/6

Ferrite Cores

Gapped

E Core

20 x 10 x 6 (EF 20)

227 nH

0.25 %

N27

Bulk

Ferrite Cores & Accessories E20/10/6 N87LP 0.170 MM

B66311G0170X187
TDK
1: $1.71
4,590In Stock
100On Order

Mfr. Part No.
B66311G0170X187

Mouser Part No
871-B66311G0170X187

TDK

Ferrite Cores & Accessories E20/10/6 N87LP 0.170 MM

Learn More

Datasheet

4,590In Stock

100On Order

$1.71

$1.18

$1.02

$0.922

View

Min.: 1
Mult.: 1

E20/10/6

Ferrite Cores

Gapped

E Core

20 x 10 x 6 (EF 20)

227 nH

Core

N87

Bulk

Ferrite Cores & Accessories E20/10/6 N87LP 0.250 MM

B66311G0250X187
TDK
1: $1.71
18,527In Stock

Mfr. Part No.
B66311G0250X187

Mouser Part No
871-B66311G0250X187

TDK

Ferrite Cores & Accessories E20/10/6 N87LP 0.250 MM

Learn More

Datasheet

18,527In Stock

$1.71

$1.18

$1.02

$0.922

View

Min.: 1
Mult.: 1

E20/10/6

Ferrite Cores

Gapped

E Core

20 x 10 x 6 (EF 20)

171 nH

Core

N87

Bulk

Ferrite Cores & Accessories E20/10/6 N87LP 0.500 MM

B66311G0500X187
TDK
1: $1.71
4,208In Stock
5,880Expected 18/1/2027

Mfr. Part No.
B66311G0500X187

Mouser Part No
871-B66311G0500X187

TDK

Ferrite Cores & Accessories E20/10/6 N87LP 0.500 MM

Learn More

Datasheet

4,208In Stock

5,880Expected 18/1/2027

$1.71

$1.18

$1.02

$0.922

View

Min.: 1
Mult.: 1

E20/10/6

Ferrite Cores

Gapped

E Core

20 x 10 x 6 (EF 20)

103 nH

Core

N87

Bulk

Ferrite Cores & Accessories E20/10/6 N87OL

B66311GX187
TDK
1: $1.35
20,617In Stock
14,700Expected 4/1/2027

Mfr. Part No.
B66311GX187

Mouser Part No
871-B66311GX187

TDK

Ferrite Cores & Accessories E20/10/6 N87OL

Learn More

Datasheet

20,617In Stock

14,700Expected 4/1/2027

$1.35

$0.853

$0.767

$0.668

View

Min.: 1
Mult.: 1

B66311G

Ferrite Cores

Ungapped

E Core

20 x 10 x 6 (EF 20)

1.47 uH

- 20 %, + 30 %

Core

N87

Bulk

Ferrite Cores & Accessories E25/13/7 N87LP 0.160MM

B66317G0160X187
TDK
1: $1.66
4,191In Stock

Mfr. Part No.
B66317G0160X187

Mouser Part No
871-B66317G0160X187

TDK

Ferrite Cores & Accessories E25/13/7 N87LP 0.160MM

Learn More

Datasheet

4,191In Stock

$1.66

$1.14

$0.985

$0.891

View

Min.: 1
Mult.: 1

E25/13/7

Ferrite Cores

Gapped

E Core

25 x 13 x 7 (EF 25)

347 nH

N87

Bulk

Ferrite Cores & Accessories E25/13/7 N87LP 0.250MM

B66317G0250X187
TDK
1: $1.65
4,084In Stock
5,400Expected 15/9/2026

Mfr. Part No.
B66317G0250X187

Mouser Part No
871-B66317G0250X187

TDK

Ferrite Cores & Accessories E25/13/7 N87LP 0.250MM

Learn More

Datasheet

4,084In Stock

5,400Expected 15/9/2026

$1.65

$1.14

$0.981

$0.895

View

Min.: 1
Mult.: 1

E25/13/7

Ferrite Cores

Gapped

E Core

25 x 13 x 7 (EF 25)

250 nH

N87

Bulk

Ferrite Cores & Accessories E25/13/7 N87OL

B66317GX187
TDK
1: $1.51
12,353In Stock

Mfr. Part No.
B66317GX187

Mouser Part No
871-B66317GX187

TDK

Ferrite Cores & Accessories E25/13/7 N87OL

Learn More

Datasheet

12,353In Stock

$1.51

$1.05

$0.894

$0.794

View

Min.: 1
Mult.: 1

B66317G

Ferrite Cores

Ungapped

E Core

25 x 13 x 7 (EF 25)

1.85 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories E30/15/7 N30OL

B66319G0000X130
TDK
1: $2.69
3,282In Stock

Mfr. Part No.
B66319G0000X130

Mouser Part No
871-B66319G0000X130

TDK

Ferrite Cores & Accessories E30/15/7 N30OL

Learn More

Datasheet

3,282In Stock

$2.69

$1.86

$1.59

$1.41

View

Min.: 1
Mult.: 1

E30/15/7

Ferrite Cores

Ungapped

E Core

30 x 15 x 7

3.1 uH

- 20 %, + 30 %

N30

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