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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 E42/21/20 N87 gap 0.5 mm

B66329G500X187
TDK
1: £3.81
383In Stock

Mfr. Part No.
B66329G500X187

Mouser Part No
871-B66329G500X187

TDK

Ferrite Cores & Accessories E42/21/20 N87 gap 0.5 mm

Learn More

Datasheet

383In Stock

£3.81

£2.61

£2.23

£1.91

£1.89

Min.: 1
Mult.: 1

B66329G

Ferrite Cores

Gapped

E Core

42 x 21 x 20

500 nH

N87

Bulk

Ferrite Cores & Accessories E70/33/32-N95-DG250

B66371Q0250K195
TDK
1: £15.08
96In Stock

Mfr. Part No.
B66371Q0250K195

Mouser Part No
871-B66371Q0250K195

TDK

Ferrite Cores & Accessories E70/33/32-N95-DG250

Learn More

Datasheet

96In Stock

£15.08

£10.30

£9.19

£8.16

Min.: 1
Mult.: 1

E70/33/32

Tray

Ferrite Cores & Accessories E19/8/5 N27 1050 +30% -20%

B66379GX127
TDK
1: £0.684
4,311In Stock

Mfr. Part No.
B66379GX127

Mouser Part No
871-B66379GX127

TDK

Ferrite Cores & Accessories E19/8/5 N27 1050 +30% -20%

Learn More

Datasheet

4,311In Stock

£0.684

£0.48

£0.412

£0.366

View

Min.: 1
Mult.: 1

B66379G

Ferrite Cores

Ungapped

E Core

19 x 8 x 5

1.05 uH

- 20 %, + 30 %

N27

Bulk

Ferrite Cores & Accessories ER 23X5X13 N97

B66482G0000X197
TDK
1: £1.75
743In Stock

Mfr. Part No.
B66482G0000X197

Mouser Part No
871-B66482G0000X197

TDK

Ferrite Cores & Accessories ER 23X5X13 N97

Learn More

Datasheet

743In Stock

£1.75

£1.27

£1.06

£0.96

View

Min.: 1
Mult.: 1

ER23/5/13

Ferrite Cores

Ungapped

ER Core

23 x 5 x 13

3 uH

25 %

EIR 23 Core Set

N97

Bulk

Ferrite Cores & Accessories 78 ER Core Set Ind 1200 nH 25% TOL

9578110502
Fair-Rite
1: £0.698
4,702In Stock

Mfr. Part No.
9578110502

Mouser Part No
623-9578110502

Fair-Rite

Ferrite Cores & Accessories 78 ER Core Set Ind 1200 nH 25% TOL

Learn More

4,702In Stock

£0.698

£0.485

£0.416

£0.37

View

Min.: 1
Mult.: 1

Ferrite Cores

Ungapped

ER Core

10.8 x 2.45 x 5.9

1.2 uH

25 %

Bulk

Ferrite Cores & Accessories 95 ETD Core ETD29 Ind 2900 nH 25% TOL

9595293202
Fair-Rite
1: £1.89
1,232In Stock

Mfr. Part No.
9595293202

Mouser Part No
623-9595293202

Fair-Rite

Ferrite Cores & Accessories 95 ETD Core ETD29 Ind 2900 nH 25% TOL

Learn More

1,232In Stock

£1.89

£1.31

£1.12

£0.986

View

Min.: 1
Mult.: 1

Ferrite Cores

Ungapped

ETD Core

29.8 x 15.8 x 9.5

2.9 uH

25 %

Bulk

Ferrite Cores & Accessories R50/30/20 N95 toroid

B64290L0082X095
TDK
1: £12.49
83In Stock

Mfr. Part No.
B64290L0082X095

Mouser Part No
871-B64290L0082X095

TDK

Ferrite Cores & Accessories R50/30/20 N95 toroid

Learn More

83In Stock

£12.49

£8.47

£6.38

Reel

£6.38

Min.: 1
Mult.: 1

: 40

TX50/30/20

Ungapped

Ammo Pack

Ferrite Cores & Accessories R25.3/14.8/15 N87 toroid

B64290L0615X087
TDK
1: £2.27
797In Stock

Mfr. Part No.
B64290L0615X087

Mouser Part No
871-B64290L615X87

TDK

Ferrite Cores & Accessories R25.3/14.8/15 N87 toroid

Learn More

Datasheet

797In Stock

£2.27

£1.72

£1.34

£1.26

£1.03

Reel

£0.934

Min.: 1
Mult.: 1

: 300

TX25.3/14.8/15

Toroids

Ungapped

3.5 uH

N87

Ammo Pack

Ferrite Cores & Accessories YOKE EF32 2 PCS REQUIRED

B66230A2010X000
TDK
1: £0.473
3,128In Stock

Mfr. Part No.
B66230A2010X000

Mouser Part No
871-B66230A2010X000

TDK

Ferrite Cores & Accessories YOKE EF32 2 PCS REQUIRED

Learn More

Datasheet

3,128In Stock

£0.473

£0.433

£0.405

£0.361

View

Min.: 1
Mult.: 1

E32/16/9

Hardware & Accessories

Ungapped

E Core

32 x 16 x 9 (EF 32)

Yoke

Bulk

Ferrite Cores & Accessories CLI-ELP22 2 PCS REQUIRED

B66286A2000X000
TDK
1: £0.292
5,782In Stock

Mfr. Part No.
B66286A2000X000

Mouser Part No
871-B66286A2000X

TDK

Ferrite Cores & Accessories CLI-ELP22 2 PCS REQUIRED

Learn More

Datasheet

5,782In Stock

£0.292

£0.247

£0.213

£0.19

View

Min.: 1
Mult.: 1

ELP22/6/16

Hardware & Accessories

Ungapped

ELP Core

22 x 6 x 16

Bulk

Ferrite Cores & Accessories E42/21/15 N97 ungapped

B66325G0000X197
TDK
1: £3.16
451In Stock

Mfr. Part No.
B66325G0000X197

Mouser Part No
871-B66325GX197

TDK

Ferrite Cores & Accessories E42/21/15 N97 ungapped

Learn More

Datasheet

451In Stock

£3.16

£2.17

£1.83

£1.62

Min.: 1
Mult.: 1

E42/21/15

Ferrite Cores

Ungapped

E Core

42 x 21 x 15

N97

Bulk

Ferrite Cores & Accessories ETD59/31/22-N87-DG400

B66397Q0400K187
TDK
1: £8.83
132In Stock

Mfr. Part No.
B66397Q0400K187

Mouser Part No
871-B66397Q0400K187

TDK

Ferrite Cores & Accessories ETD59/31/22-N87-DG400

Learn More

Datasheet

132In Stock

£8.83

£6.20

£5.12

£5.06

Min.: 1
Mult.: 1

ETD59/31/22

Ferrite Cores

Gapped

ETD Core

59.8 mm x 22.1 mm

400 nH

10 %

N87

Tray

Ferrite Cores & Accessories I38/4/25 N87 8300 +25% -25%

B66459K0000X187
TDK
1: £3.21
426In Stock

Mfr. Part No.
B66459K0000X187

Mouser Part No
871-B66459KX187

TDK

Ferrite Cores & Accessories I38/4/25 N87 8300 +25% -25%

Learn More

Datasheet

426In Stock

£3.21

£2.20

£1.86

£1.67

Min.: 1
Mult.: 1

I38/4/25

Ferrite Cores

Ungapped

I Core

38 x 4 x 25

8.3 uH

25 %

N87

Bulk

Ferrite Cores & Accessories ELP43/10/28 N87OL NO RECESS

B66461G0000X187
TDK
1: £3.95
312In Stock

Mfr. Part No.
B66461G0000X187

Mouser Part No
871-B66461G0000X187

TDK

Ferrite Cores & Accessories ELP43/10/28 N87OL NO RECESS

Learn More

Datasheet

312In Stock

£3.95

£3.11

£2.65

£2.49

£2.41

Min.: 1
Mult.: 1

ELP43/10

Ferrite Cores

Ungapped

ELP Core

43 x 10 x 28

7.3 uH

25 %

EILP 43 Core Set

N87

Bulk

Ferrite Cores & Accessories ER32/5/21 N87 ungapped

B66501G0000X187
TDK
1: £2.94
608In Stock

Mfr. Part No.
B66501G0000X187

Mouser Part No
871-B66501GX187

TDK

Ferrite Cores & Accessories ER32/5/21 N87 ungapped

Learn More

Datasheet

608In Stock

£2.94

£2.03

£1.74

£1.53

View

Min.: 1
Mult.: 1

ER32/5/21

Ferrite Cores

Ungapped

ER Core

32 x 5 x 21

4.9 uH

25 %

N87

Bulk

Ferrite Cores & Accessories 77 Rod 12.30x31.75MM

4077485111
Fair-Rite
1: £2.08
773In Stock

Mfr. Part No.
4077485111

Mouser Part No
623-4077485111

Fair-Rite

Ferrite Cores & Accessories 77 Rod 12.30x31.75MM

Learn More

773In Stock

£2.08

£1.44

£1.18

£1.08

View

Min.: 1
Mult.: 1

Rods

Solid Rod

Bulk

Ferrite Cores & Accessories 58.3X40.8X17.6 T65 TOROID

B64290L0040X065
TDK
1: £10.87
490In Stock

Mfr. Part No.
B64290L0040X065

Mouser Part No
871-B64290L0040X065

TDK

Ferrite Cores & Accessories 58.3X40.8X17.6 T65 TOROID

Learn More

Datasheet

490In Stock

£10.87

£7.22

£6.20

Min.: 1
Mult.: 1

TX58.3/40.8/17.6

Toroids

Ungapped

6.25 uH

T65

Bulk

Ferrite Cores & Accessories RM4 N87 160 +5% -5% Sold as set

B65803P0160J087
TDK
1: £2.23
2,613In Stock

Mfr. Part No.
B65803P0160J087

Mouser Part No
871-B65803P0160J087

TDK

Ferrite Cores & Accessories RM4 N87 160 +5% -5% Sold as set

Learn More

Datasheet

2,613In Stock

Cut Tape

£2.23

£1.53

£1.31

£1.15

£1.08

Reel

£1.08

Min.: 1
Mult.: 1

: 800

RM4/LP

Ferrite Cores

Gapped

RM LP Core

RM 4

160 nH

5 %

N87

Reel, Cut Tape

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B65808N1005D001
TDK
1: £1.12
947In Stock

Mfr. Part No.
B65808N1005D001

Mouser Part No
871-B65808N1005D001

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

947In Stock

£1.12

£1.01

£0.899

£0.796

View

Min.: 1
Mult.: 1

RM6

Hardware & Accessories

Ungapped

RM Core

RM 6

5 Pin

Tray

Ferrite Cores & Accessories ETD29/16/10 N27 gap 0.5 mm

B66358G500X127
TDK
1: £1.56
1,156In Stock

Mfr. Part No.
B66358G500X127

Mouser Part No
871-B66358G500X127

TDK

Ferrite Cores & Accessories ETD29/16/10 N27 gap 0.5 mm

Learn More

Datasheet

1,156In Stock

£1.56

£1.23

£0.943

£0.882

View

Min.: 1
Mult.: 1

B66358G

Ferrite Cores

Gapped

ETD Core

29 x 16 x 10

201 nH

N27

Bulk

Ferrite Cores & Accessories 95 EP Core EP7 Ind 1180 nH 25% TOL

6595070121
Fair-Rite
1: £0.995
4,331In Stock

Mfr. Part No.
6595070121

Mouser Part No
623-6595070121

Fair-Rite

Ferrite Cores & Accessories 95 EP Core EP7 Ind 1180 nH 25% TOL

Learn More

4,331In Stock

£0.995

£0.681

£0.588

£0.54

View

Min.: 1
Mult.: 1

Ferrite Cores

EP Core

EP 7

1.18 uH

25 %

Bulk

Ferrite Cores & Accessories 78 EFD Core EFD10

8978101021
Fair-Rite
1: £0.465
4,014In Stock

Mfr. Part No.
8978101021

Mouser Part No
623-8978101021

Fair-Rite

Ferrite Cores & Accessories 78 EFD Core EFD10

Learn More

4,014In Stock

£0.465

£0.328

£0.284

£0.253

View

Min.: 1
Mult.: 1

Ferrite Cores

Ungapped

EFD Core

EFD 10

530 nH

25 %

Bulk

Ferrite Cores & Accessories 29.5X19.0X14.9 T65 TOROID

B64290L0647X065
TDK
1: £3.73
369In Stock

Mfr. Part No.
B64290L0647X065

Mouser Part No
871-B64290L0647X065

TDK

Ferrite Cores & Accessories 29.5X19.0X14.9 T65 TOROID

Learn More

Datasheet

369In Stock

£3.73

£2.55

£2.17

£1.90

£1.76

Min.: 1
Mult.: 1

TX29/19/15

Toroids

Ungapped

6.8 uH

T65

Bulk

Ferrite Cores & Accessories RM8 N87 65 +3% -3%

B65811J65A87
TDK
1: £2.65
456In Stock

Mfr. Part No.
B65811J65A87

Mouser Part No
871-B65811J65A87

TDK

Ferrite Cores & Accessories RM8 N87 65 +3% -3%

Learn More

Datasheet

456In Stock

£2.65

£1.82

£1.55

£1.35

£1.25

Min.: 1
Mult.: 1

B65811J

Ferrite Cores

Gapped

RM Core

RM 8

65 nH

3 %

N87

Bulk

Ferrite Cores & Accessories PQ20/20 N49 Sold as set

B65875A0000R049
TDK
1: £4.03
428In Stock

Mfr. Part No.
B65875A0000R049

Mouser Part No
871-B65875A0000R049

TDK

Ferrite Cores & Accessories PQ20/20 N49 Sold as set

Learn More

Datasheet

428In Stock

£4.03

£2.75

£2.33

£2.03

£1.82

Reel

£1.63

Min.: 1
Mult.: 1

: 240

PQ20/20

Ferrite Cores

Ungapped

PQ Core

20 x 20

2 uH

- 20 %, + 30 %

N49

Ammo Pack

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