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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 E70/33/32 N95 ungapped

B66371G0000X195
TDK
1: $25.24
58In Stock
180Expected 18/12/2026

Mfr. Part No.
B66371G0000X195

Mouser Part No
871-B66371GX195

TDK

Ferrite Cores & Accessories E70/33/32 N95 ungapped

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Datasheet

58In Stock

180Expected 18/12/2026

$25.24

$16.97

$14.95

$14.18

$12.76

Min.: 1
Mult.: 1

E70/33/32

Ferrite Cores

Ungapped

E Core

70 x 33 x 32

N95

Bulk

Ferrite Cores & Accessories E70/33/32-N87-DG250 FERRITE CORE SET

B66371Q0250K187
TDK
1: $25.28
45In Stock

Mfr. Part No.
B66371Q0250K187

Mouser Part No
871-B66371Q0250K187

TDK

Ferrite Cores & Accessories E70/33/32-N87-DG250 FERRITE CORE SET

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Datasheet

45In Stock

$25.28

$16.77

$14.65

$12.35

Min.: 1
Mult.: 1

E70/33/32

Ferrite Cores

Distributed Gap

E Core

E 70 x 33 x 32

250 nH

N87

Tray

Ferrite Cores & Accessories E70/33/32-N87-DG400

B66371Q0400K187
TDK
1: $22.15
37In Stock
36Expected 25/9/2026

Mfr. Part No.
B66371Q0400K187

Mouser Part No
871-B66371Q0400K187

TDK

Ferrite Cores & Accessories E70/33/32-N87-DG400

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Datasheet

37In Stock

36Expected 25/9/2026

$22.15

$14.69

$13.14

$12.57

View

Min.: 1
Mult.: 1

E70/33/32

Ferrite Cores

Distributed Gap

E Core

70 x 33 x 32

400 nH

N87

Tray

Ferrite Cores & Accessories CF-E70-1S

B66372A2000T001
TDK
1: $10.31
88In Stock

Mfr. Part No.
B66372A2000T001

Mouser Part No
871-B66372A2000T1

TDK

Ferrite Cores & Accessories CF-E70-1S

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Datasheet

88In Stock

$10.31

$9.30

$8.85

$8.55

View

Min.: 1
Mult.: 1

E70/33/32

Hardware & Accessories

Ungapped

E Core

70 x 33 x 32

Coil Former

Tray

Ferrite Cores & Accessories COIL FORMER E70 4-CORE STACK

B66372B2000T001
TDK
1: $11.36
65In Stock

Mfr. Part No.
B66372B2000T001

Mouser Part No
871-B66372B2000T001

TDK

Ferrite Cores & Accessories COIL FORMER E70 4-CORE STACK

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Datasheet

65In Stock

$11.36

$10.13

$9.64

$7.70

View

Min.: 1
Mult.: 1

E70/33/32

Hardware & Accessories

Ungapped

Tray

Ferrite Cores & Accessories E80/38/20DG N97 150 +10% -10%

B66375Q0150K197
TDK
1: $11.17
17In Stock
120On Order
New Product

Mfr. Part No.
B66375Q0150K197

Mouser Part No
871-B66375Q0150K197

New Product

TDK

Ferrite Cores & Accessories E80/38/20DG N97 150 +10% -10%

Learn More

Datasheet

17In Stock

120On Order

$11.17

$7.66

$5.86

$5.05

$4.79

Min.: 1
Mult.: 1

E80/38/20

Ferrite Cores

N97

150 nH

E Core

Bulk

Ferrite Cores & Accessories E65/32/27-N95-DG400

B66387Q0400K195
TDK
1: $22.89
21In Stock
80Expected 9/3/2027

Mfr. Part No.
B66387Q0400K195

Mouser Part No
871-B66387Q0400K195

TDK

Ferrite Cores & Accessories E65/32/27-N95-DG400

Learn More

Datasheet

21In Stock

80Expected 9/3/2027

$22.89

$16.39

$11.49

$11.11

Min.: 1
Mult.: 1

E65/32/27

Tray

Ferrite Cores & Accessories CF-E65/32/27-1S BOBBIN/COILFORMER

B66388B1000T001
TDK
1: $6.70
89In Stock
168On Order

Mfr. Part No.
B66388B1000T001

Mouser Part No
871-B66388B1000T001

TDK

Ferrite Cores & Accessories CF-E65/32/27-1S BOBBIN/COILFORMER

Learn More

Datasheet

89In Stock

168On Order

$6.70

$5.88

$4.75

$4.43

View

Min.: 1
Mult.: 1

E65/32/27

Hardware & Accessories

Ungapped

E 65 x 32 x 27

Coil Former

Tray

Ferrite Cores & Accessories ETD54/28/19 N27OL

B66395G0000X127
TDK
1: $9.76
39In Stock

Mfr. Part No.
B66395G0000X127

Mouser Part No
871-B66395G0000X127

TDK

Ferrite Cores & Accessories ETD54/28/19 N27OL

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Datasheet

39In Stock

$9.76

$6.70

$5.49

$4.49

$4.13

Min.: 1
Mult.: 1

E36/18/11

Ferrite Cores

Ungapped

ETD Core

54 x 28 x 19

4.2 uH

- 20 %, + 30 %

N27

Bulk

Ferrite Cores & Accessories ETD54/28/19 N87LP 0.5MM

B66395G0500X187
TDK
1: $13.04
55In Stock

Mfr. Part No.
B66395G0500X187

Mouser Part No
871-B66395G0500X187

TDK

Ferrite Cores & Accessories ETD54/28/19 N87LP 0.5MM

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Datasheet

55In Stock

$13.04

$8.99

$7.34

$5.86

$5.78

Min.: 1
Mult.: 1

ETD54/28/19

Ferrite Cores

Gapped

ETD Core

54 x 28 x 19

500 nH

N87

Bulk

Ferrite Cores & Accessories ETD54/28 19-N87-G1500

B66395G1500X187
TDK
1: $13.04
34In Stock

Mfr. Part No.
B66395G1500X187

Mouser Part No
871-B66395G1500X187

TDK

Ferrite Cores & Accessories ETD54/28 19-N87-G1500

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Datasheet

34In Stock

$13.04

$8.99

$7.68

$5.86

$5.78

Min.: 1
Mult.: 1

ETD54/28/19

Ferrite Cores

Gapped

ETD Core

54 x 28 x 19

1.5 uH

N87

Bulk

Ferrite Cores & Accessories ETD59/31 22-N87-G1000

B66397G1000X187
TDK
1: $17.97
15In Stock
160Expected 19/10/2026

Mfr. Part No.
B66397G1000X187

Mouser Part No
871-B66397G1000X187

TDK

Ferrite Cores & Accessories ETD59/31 22-N87-G1000

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Datasheet

15In Stock

160Expected 19/10/2026

$17.97

$12.24

$9.22

$8.42

Min.: 1
Mult.: 1

ETD59/31/22

Ferrite Cores

Gapped

ETD Core

59 x 31 x 22

508 nH

N87

Bulk

Ferrite Cores & Accessories ETD59/31 22-N87-G1500

B66397G1500X187
TDK
1: $18.73
89In Stock

Mfr. Part No.
B66397G1500X187

Mouser Part No
871-B66397G1500X187

TDK

Ferrite Cores & Accessories ETD59/31 22-N87-G1500

Learn More

Datasheet

89In Stock

$18.73

$12.84

$10.27

$9.76

$8.42

Min.: 1
Mult.: 1

ETD59/31/22

Ferrite Cores

Gapped

ETD Core

59 x 31 x 22

381 nH

N87

Bulk

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

B66413U0160L187
TDK
1: $1.47
2,995In Stock

Mfr. Part No.
B66413U0160L187

Mouser Part No
871-B66413U0160L187

TDK

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

Learn More

Datasheet

2,995In Stock

$1.47

$1.01

$0.873

$0.775

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 EFD20x10x7 PC200 560 +30% -20%

B66417G0000X608
TDK
1: $2.39
315In Stock

Mfr. Part No.
B66417G0000X608

Mouser Part No
871-B66417G0000X608

TDK

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

Learn More

Datasheet

315In Stock

$2.39

$1.66

$1.43

$1.27

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: $1.62
2,522In Stock
5,040Expected 21/12/2026

Mfr. Part No.
B66417U0250K187

Mouser Part No
871-B66417U0250K187

TDK

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

Learn More

Datasheet

2,522In Stock

5,040Expected 21/12/2026

$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

250 nH

10 %

N87

Bulk

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

B66421U0160K187
TDK
1: $2.52
1,481In Stock

Mfr. Part No.
B66421U0160K187

Mouser Part No
871-B66421U0160K187

TDK

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

Learn More

Datasheet

1,481In Stock

$2.52

$1.74

$1.50

$1.34

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 EFD25/13/9 N87AL 315NH +/-10%

B66421U0315K187
TDK
1: $2.50
1,139In Stock
9,100On Order

Mfr. Part No.
B66421U0315K187

Mouser Part No
871-B66421U0315K187

TDK

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

Learn More

Datasheet

1,139In Stock

9,100On Order

$2.50

$1.74

$1.48

$1.31

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 CF-EFD25-H-1S-10PW

B66422W1010D001
TDK
1: $3.09
1,274In Stock
1,300Expected 25/1/2027

Mfr. Part No.
B66422W1010D001

Mouser Part No
871-B66422W1010D001

TDK

Ferrite Cores & Accessories CF-EFD25-H-1S-10PW

Datasheet

1,274In Stock

1,300Expected 25/1/2027

$3.09

$2.14

$1.82

$1.62

View

Min.: 1
Mult.: 1

EFD25/13/9

Hardware & Accessories

Coil Former

EFD Core

25 x 13 x 9

10 Pin

Stick

Ferrite Cores & Accessories EFD30/15/9 N97OL

B66423G0000X197
TDK
1: $3.56
468In Stock
900Expected 9/3/2027

Mfr. Part No.
B66423G0000X197

Mouser Part No
871-B66423GX197

TDK

Ferrite Cores & Accessories EFD30/15/9 N97OL

Learn More

Datasheet

468In Stock

900Expected 9/3/2027

$3.56

$2.46

$2.11

$1.85

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 EFD30/15/9 N87AL 250NH +/-10%

B66423U0250K187
TDK
1: $2.73
538In Stock

Mfr. Part No.
B66423U0250K187

Mouser Part No
871-B66423U0250K187

TDK

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

Learn More

Datasheet

538In 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

250 nH

10 %

N87

Bulk

Ferrite Cores & Accessories ELP18/4/10 N87OL NO RECESS

B66453G0000X187
TDK
1: $3.16
632In Stock

Mfr. Part No.
B66453G0000X187

Mouser Part No
871-B66453G0000X187

TDK

Ferrite Cores & Accessories ELP18/4/10 N87OL NO RECESS

Learn More

Datasheet

632In Stock

$3.16

$2.19

$1.86

$1.65

View

Min.: 1
Mult.: 1

ELP18/4/10

Ferrite Cores

Ungapped

ELP Core

18 x 4 x 10

2.6 uH

25 %

N87

Bulk

Ferrite Cores & Accessories ELP32/6/20 N49 3900 +25% -25%

B66457G0000X149
TDK
1: $6.16
121In Stock

Mfr. Part No.
B66457G0000X149

Mouser Part No
871-B66457GX149

TDK

Ferrite Cores & Accessories ELP32/6/20 N49 3900 +25% -25%

Learn More

Datasheet

121In Stock

$6.16

$4.23

$3.59

$3.14

View

Min.: 1
Mult.: 1

EV15/9/7

Ferrite Cores

Ungapped

ELP Core

32 x 6 x 20

3.9 uH

25 %

N49

Bulk

Ferrite Cores & Accessories EQ25/5.6/18 N49 4100 +25% -25%

B66481GX149
TDK
1: $4.64
501In Stock

Mfr. Part No.
B66481GX149

Mouser Part No
871-B66481GX149

TDK

Ferrite Cores & Accessories EQ25/5.6/18 N49 4100 +25% -25%

Learn More

Datasheet

501In Stock

$4.64

$3.20

$2.72

$2.39

View

Min.: 1
Mult.: 1

B66481G

Ferrite Cores

Ungapped

EQ Core

25 x 5.6 x 18

3.6 uH

25 %

EIQ 25 Core Set

N49

Bulk

Ferrite Cores & Accessories ER23/5/13 N49 UNGAPPED

B66482G0000X149
TDK
1: $4.81
10In Stock
1,080Expected 5/10/2026

Mfr. Part No.
B66482G0000X149

Mouser Part No
871-B66482G0000X149

TDK

Ferrite Cores & Accessories ER23/5/13 N49 UNGAPPED

Learn More

Datasheet

10In Stock

1,080Expected 5/10/2026

$4.81

$3.30

$2.80

$2.46

View

Min.: 1
Mult.: 1

I25/2/18

Ferrite Cores

Ungapped

ER Core

23 x 5 x 13

2.2 uH

25 %

EIR 23 Core Set

N49

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