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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 ELP102/20.3/37.5 N87 8200 +25% -25%

B66297G0000X187
TDK
1: $26.29
1In Stock
96On Order

Mfr. Part No.
B66297G0000X187

Mouser Part No
871-B66297GX187

TDK

Ferrite Cores & Accessories ELP102/20.3/37.5 N87 8200 +25% -25%

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Datasheet

1In Stock

96On Order

$26.29

$15.60

$13.94

$13.15

Min.: 1
Mult.: 1

ELP102/20/38

Ferrite Cores

Ungapped

ELP Core

102 x 20 x 38

8.2 uH

25 %

EILP 102 Core Set

N87

Bulk

Ferrite Cores & Accessories I102/7/37.5 N87 9300 + 25- 25%

B66297K0000X187
TDK
1: $14.95
133In Stock

Mfr. Part No.
B66297K0000X187

Mouser Part No
871-B66297KX187

TDK

Ferrite Cores & Accessories I102/7/37.5 N87 9300 + 25- 25%

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Datasheet

133In Stock

$14.95

$10.04

$9.19

$8.81

$6.16

Min.: 1
Mult.: 1

I102/7/38

Ferrite Cores

Ungapped

I Core

102 x 7 x 38

8.2 uH

25 %

EILP 102 Core Set

N87

Bulk

Ferrite Cores & Accessories I102/7/37.5 N97 9600 + 25- 25%

B66297K0000X197
TDK
1: $20.40
103In Stock

Mfr. Part No.
B66297K0000X197

Mouser Part No
871-B66297KX197

TDK

Ferrite Cores & Accessories I102/7/37.5 N97 9600 + 25- 25%

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Datasheet

103In Stock

$20.40

$14.76

$11.86

$11.51

Min.: 1
Mult.: 1

I102/7/38

Ferrite Cores

Ungapped

I Core

102 x 7 x 38

8.5 uH

25 %

EILP 102 Core Set

N97

Bulk

Ferrite Cores & Accessories E6.3-N87 '+30%-20%

B66300G0000X187
TDK
1: $1.20
1,121In Stock

Mfr. Part No.
B66300G0000X187

Mouser Part No
871-B66300G0000X187

TDK

Ferrite Cores & Accessories E6.3-N87 '+30%-20%

Learn More

Datasheet

1,121In Stock

$1.20

$0.828

$0.714

$0.635

View

Min.: 1
Mult.: 1

E6.3

Ferrite Cores

Ungapped

E Core

E 6.3

380 nH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories E8.8-N87 '+30%-20%

B66302G0000X187
TDK
1: $1.66
1,072In Stock

Mfr. Part No.
B66302G0000X187

Mouser Part No
871-B66302G0000X187

TDK

Ferrite Cores & Accessories E8.8-N87 '+30%-20%

Learn More

Datasheet

1,072In Stock

$1.66

$1.15

$0.986

$0.892

View

Min.: 1
Mult.: 1

E8.8/4/2

Ferrite Cores

Ungapped

E Core

E 8.8

550 nH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories E13/7/4 N30 1000 +30% -20%

B66305G0000X130
TDK
1: $0.925
3,698In Stock

Mfr. Part No.
B66305G0000X130

Mouser Part No
871-B66305GX130

TDK

Ferrite Cores & Accessories E13/7/4 N30 1000 +30% -20%

Learn More

Datasheet

3,698In Stock

$0.925

$0.635

$0.547

$0.488

View

Min.: 1
Mult.: 1

E13/7/4

Ferrite Cores

Ungapped

E Core

12.6 x 3.7 x 6.5

1 uH

- 20 %, + 30 %

N30

Bulk

Ferrite Cores & Accessories E16/8/5 N27OL

B66307G0000X127
TDK
1: $1.10
1,949In Stock

Mfr. Part No.
B66307G0000X127

Mouser Part No
871-B66307G0000X127

TDK

Ferrite Cores & Accessories E16/8/5 N27OL

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Datasheet

1,949In Stock

$1.10

$0.772

$0.666

$0.593

View

Min.: 1
Mult.: 1

E16/8/5

Ferrite Cores

Ungapped

E Core

16 x 8 x 5 (EF 16)

950 nH

- 20 %, + 30 %

Core

N27

Bulk

Ferrite Cores & Accessories E16/8/5 N87 gap 0.5+-0.05 mm

B66307G500X187
TDK
1: $1.22
1,709In Stock

Mfr. Part No.
B66307G500X187

Mouser Part No
871-B66307G500X187

TDK

Ferrite Cores & Accessories E16/8/5 N87 gap 0.5+-0.05 mm

Learn More

Datasheet

1,709In Stock

$1.22

$0.851

$0.733

$0.65

View

Min.: 1
Mult.: 1

B66307G

Ferrite Cores

Gapped

E Core

16 x 8 x 5 (EF 16)

500 nH

N87

Bulk

Ferrite Cores & Accessories CLM-E16 2 PCS REQUIRED

B66308A2010X000
TDK
1: $1.02
3,101In Stock

Mfr. Part No.
B66308A2010X000

Mouser Part No
871-B66308A2010X000

TDK

Ferrite Cores & Accessories CLM-E16 2 PCS REQUIRED

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Datasheet

3,101In Stock

$1.02

$0.929

$0.885

$0.823

View

Min.: 1
Mult.: 1

E16/8/5

Hardware & Accessories

Ungapped

E Core

16 x 8 x 5 (EF 16)

Yoke

Bulk

Ferrite Cores & Accessories FERRITE CORES & ACCS CF-E16/8/5-V-1S-8P

B66308W1108T001
TDK
1: $2.37
1,517In Stock
8,000Expected 24/3/2027

Mfr. Part No.
B66308W1108T001

Mouser Part No
871-B66308W1108T001

TDK

Ferrite Cores & Accessories FERRITE CORES & ACCS CF-E16/8/5-V-1S-8P

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Datasheet

1,517In Stock

8,000Expected 24/3/2027

$2.37

$1.86

$1.75

$1.70

View

Min.: 1
Mult.: 1

E16/8/5

Hardware & Accessories

Ungapped

E Core

16 x 8 x 5 (EF 16)

Coil Former with Magnetic Axis Vertical

8 Pin

Tray

Ferrite Cores & Accessories E20/10/6 N27OL

B66311G0000X127
TDK
1: $1.21
2,058In Stock
5,880Expected 19/10/2026

Mfr. Part No.
B66311G0000X127

Mouser Part No
871-B66311G0000X127

TDK

Ferrite Cores & Accessories E20/10/6 N27OL

Learn More

Datasheet

2,058In Stock

5,880Expected 19/10/2026

$1.21

$0.84

$0.722

$0.642

View

Min.: 1
Mult.: 1

E20/10/6

Ferrite Cores

Ungapped

E Core

20 x 10 x 6 (EF 20)

1.3 uH

- 20 %, + 30 %

Core

N27

Bulk

Ferrite Cores & Accessories E25/13/7 N27LP 0.25MM

B66317G0250X127
TDK
1: $1.65
618In Stock

Mfr. Part No.
B66317G0250X127

Mouser Part No
871-B66317G0250X127

TDK

Ferrite Cores & Accessories E25/13/7 N27LP 0.25MM

Learn More

Datasheet

618In Stock

$1.65

$1.13

$0.975

$0.883

View

Min.: 1
Mult.: 1

E25/13/7

Ferrite Cores

Gapped

E Core

25 x 13 x 7 (EF 25)

250 nH

N27

Bulk

Ferrite Cores & Accessories E25/13/7 N27 1750 +30% -20%

B66317GX127
TDK
1: $1.63
2,178In Stock

Mfr. Part No.
B66317GX127

Mouser Part No
871-B66317GX127

TDK

Ferrite Cores & Accessories E25/13/7 N27 1750 +30% -20%

Learn More

Datasheet

2,178In Stock

$1.63

$1.13

$0.972

$0.864

View

Min.: 1
Mult.: 1

B66317G

Ferrite Cores

Ungapped

E Core

25 x 13 x 7 (EF 25)

1.75 uH

- 20 %, + 30 %

N27

Bulk

Ferrite Cores & Accessories E30/15/7 N27LP=0.1MM

B66319G0100X127
TDK
1: $2.35
1,309In Stock

Mfr. Part No.
B66319G0100X127

Mouser Part No
871-B66319G0100X127

TDK

Ferrite Cores & Accessories E30/15/7 N27LP=0.1MM

Learn More

Datasheet

1,309In Stock

$2.35

$1.63

$1.40

$1.25

View

Min.: 1
Mult.: 1

E30/15/7

Ferrite Cores

Gapped

E Core

30 x 15 x 7

460 nH

N27

Bulk

Ferrite Cores & Accessories E30/15/7 N87460NH LP=0.1+-0.02

B66319G0100X187
TDK
1: $2.43
1,955In Stock

Mfr. Part No.
B66319G0100X187

Mouser Part No
871-B66319G0100X187

TDK

Ferrite Cores & Accessories E30/15/7 N87460NH LP=0.1+-0.02

Learn More

Datasheet

1,955In Stock

$2.43

$1.69

$1.46

$1.29

View

Min.: 1
Mult.: 1

E30/15/7

Ferrite Cores

Gapped

E Core

30 x 15 x 7

460 nH

N87

Bulk

Ferrite Cores & Accessories E30/15/7 N87 gap 0.5+-0.05 mm

B66319G500X187
TDK
1: $2.43
266In Stock

Mfr. Part No.
B66319G500X187

Mouser Part No
871-B66319G500X187

TDK

Ferrite Cores & Accessories E30/15/7 N87 gap 0.5+-0.05 mm

Learn More

Datasheet

266In Stock

$2.43

$1.69

$1.46

$1.29

View

Min.: 1
Mult.: 1

B66319G

Ferrite Cores

Gapped

E Core

30 x 15 x 7

500 nH

N87

Bulk

Ferrite Cores & Accessories E30/15/7 N27 1700 +30% -20%

B66319GX127
TDK
1: $2.27
1,896In Stock

Mfr. Part No.
B66319GX127

Mouser Part No
871-B66319GX127

TDK

Ferrite Cores & Accessories E30/15/7 N27 1700 +30% -20%

Learn More

Datasheet

1,896In Stock

$2.27

$1.58

$1.35

$1.23

View

Min.: 1
Mult.: 1

B66319G

Ferrite Cores

Ungapped

E Core

30 x 15 x 7

1.7 uH

- 20 %, + 30 %

N27

Bulk

Ferrite Cores & Accessories E42/21/15 N27OL

B66325G0000X127
TDK
1: $6.84
582In Stock

Mfr. Part No.
B66325G0000X127

Mouser Part No
871-B66325GX127

TDK

Ferrite Cores & Accessories E42/21/15 N27OL

Learn More

Datasheet

582In Stock

$6.84

$4.68

$3.96

$3.47

View

Min.: 1
Mult.: 1

E10/5.5/5

Ferrite Cores

Ungapped

E Core

42 x 21 x 15

3.5 uH

- 20 %, + 30 %

N27

Bulk

Ferrite Cores & Accessories E42/21/20 N27LP 0.5MM

B66329G0500X127
TDK
1: $7.44
234In Stock

Mfr. Part No.
B66329G0500X127

Mouser Part No
871-B66329G0500X127

TDK

Ferrite Cores & Accessories E42/21/20 N27LP 0.5MM

Learn More

Datasheet

234In Stock

$7.44

$5.07

$4.30

$3.75

View

Min.: 1
Mult.: 1

E42/21/20

Ferrite Cores

Gapped

E Core

42 x 21 x 20

500 nH

N27

Bulk

Ferrite Cores & Accessories E42/21/20 N27LP 1.0MM

B66329G1000X127
TDK
1: $7.82
97In Stock

Mfr. Part No.
B66329G1000X127

Mouser Part No
871-B66329G1000X127

TDK

Ferrite Cores & Accessories E42/21/20 N27LP 1.0MM

Learn More

Datasheet

97In Stock

$7.82

$5.34

$4.53

$3.96

View

Min.: 1
Mult.: 1

E42/21/20

Ferrite Cores

Gapped

E Core

42 x 21 x 20

1 uH

N27

Bulk

Ferrite Cores & Accessories E42/21/20 N87LP 1.5MM

B66329G1500X187
TDK
1: $8.24
86In Stock

Mfr. Part No.
B66329G1500X187

Mouser Part No
871-B66329G1500X187

TDK

Ferrite Cores & Accessories E42/21/20 N87LP 1.5MM

Learn More

Datasheet

86In Stock

$8.24

$5.62

$4.73

$4.13

View

Min.: 1
Mult.: 1

E42/21/20

Ferrite Cores

Gapped

E Core

42 x 21 x 20

259 nH

N87

Bulk

Ferrite Cores & Accessories E 55/28/21 N87 GAP 1.0+-0

B66335G1000X187
TDK
1: $8.72
26In Stock
432On Order

Mfr. Part No.
B66335G1000X187

Mouser Part No
871-B66335G1000X187

TDK

Ferrite Cores & Accessories E 55/28/21 N87 GAP 1.0+-0

Learn More

Datasheet

26In Stock

432On Order

$8.72

$5.86

$4.69

$4.30

View

Min.: 1
Mult.: 1

E55/28/21

Ferrite Cores

Gapped

E Core

55 x 28 x 21

1 uH

N87

Bulk

Ferrite Cores & Accessories E55/28/21 N87LP 2.0MM

B66335G2000X187
TDK
1: $8.72
118In Stock
432Expected 18/1/2027

Mfr. Part No.
B66335G2000X187

Mouser Part No
871-B66335G2000X187

TDK

Ferrite Cores & Accessories E55/28/21 N87LP 2.0MM

Learn More

Datasheet

118In Stock

432Expected 18/1/2027

$8.72

$5.98

$4.91

$4.39

View

Min.: 1
Mult.: 1

E55/28/21

Ferrite Cores

Gapped

E Core

55 x 28 x 21

292 nH

N87

Bulk

Ferrite Cores & Accessories E55/28/21-N87-DG250

B66335Q0250K187
TDK
1: $9.52
137In Stock

Mfr. Part No.
B66335Q0250K187

Mouser Part No
871-B66335Q0250K187

TDK

Ferrite Cores & Accessories E55/28/21-N87-DG250

Learn More

Datasheet

137In Stock

$9.52

$6.54

$5.36

$4.80

View

Min.: 1
Mult.: 1

E55/28/21

Ferrite Cores

Gapped

E Core

55 mm x 21 mm

250 nH

10 %

N87

Tray

Ferrite Cores & Accessories EC41/20/12 N27OL

B66339G0000X127
TDK
1: $5.11
1In Stock

Mfr. Part No.
B66339G0000X127

Mouser Part No
871-B66339GX127

TDK

Ferrite Cores & Accessories EC41/20/12 N27OL

Learn More

Datasheet

1In Stock

$5.11

$3.51

$2.98

$2.61

View

Min.: 1
Mult.: 1

EC35/17/10

Ferrite Cores

Ungapped

EC Core

41 x 20 x 12

2.7 uH

- 20 %, + 30 %

N27

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