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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 40X24X16 T37 TOROID

B64290L0659X037
TDK
1: £7.95
182In Stock

Mfr. Part No.
B64290L0659X037

Mouser Part No
871-B64290L0659X037

TDK

Ferrite Cores & Accessories 40X24X16 T37 TOROID

Learn More

Datasheet

182In Stock

£7.95

£5.78

£4.63

£4.40

£4.16

Min.: 1
Mult.: 1

TX40/24/16

Toroids

Ungapped

9.8 uH

T37

Bulk

Ferrite Cores & Accessories 40X24X16 N87 TOROID

B64290L0659X087
TDK
1: £6.77
240In Stock

Mfr. Part No.
B64290L0659X087

Mouser Part No
871-B64290L0659X087

TDK

Ferrite Cores & Accessories 40X24X16 N87 TOROID

Learn More

Datasheet

240In Stock

£6.77

£4.57

£3.83

£3.30

View

Min.: 1
Mult.: 1

TX40/24/16

Toroids

Ungapped

3.59 uH

N87

Bulk

Ferrite Cores & Accessories 36X23X15 T65XXX TOROID

B64290L0674X065
TDK
1: £6.18
294In Stock

Mfr. Part No.
B64290L0674X065

Mouser Part No
871-B64290L0674X065

TDK

Ferrite Cores & Accessories 36X23X15 T65XXX TOROID

Learn More

Datasheet

294In Stock

£6.18

£4.29

£3.43

£3.37

£2.86

Min.: 1
Mult.: 1

TX36/23/15

Toroids

Ungapped

6.7 uH

T65

Bulk

Ferrite Cores & Accessories 15.8X8.9X4.7 N87 TOROID

B64290L0743X087
TDK
1: £0.684
1,614In Stock

Mfr. Part No.
B64290L0743X087

Mouser Part No
871-B64290L0743X087

TDK

Ferrite Cores & Accessories 15.8X8.9X4.7 N87 TOROID

Learn More

Datasheet

1,614In Stock

£0.684

£0.472

£0.405

£0.361

View

Reel

£0.226

Min.: 1
Mult.: 1

: 2,500

TX16/9/5

Toroids

Ungapped

1.19 uH

N87

Ammo Pack

Ferrite Cores & Accessories TOROID10X6X4N30

B64290L38X830
TDK
1: £0.353
5,965In Stock
18,000On Order

Mfr. Part No.
B64290L38X830

Mouser Part No
871-B64290L38X830

TDK

Ferrite Cores & Accessories TOROID10X6X4N30

Learn More

Datasheet

5,965In Stock

18,000On Order

£0.353

£0.25

£0.217

£0.193

View

Reel

£0.097

Min.: 1
Mult.: 1

: 3,000

B64290L

Toroids

Ungapped

1.76 uH

N30

Ammo Pack

Ferrite Cores & Accessories R58.3/32/18 T38 toroid

B64290L0043X038
TDK
1: £18.94
48In Stock

Mfr. Part No.
B64290L0043X038

Mouser Part No
871-B64290L43X38

TDK

Ferrite Cores & Accessories R58.3/32/18 T38 toroid

Learn More

Datasheet

48In Stock

£18.94

£14.10

£12.56

Min.: 1
Mult.: 1

TX58.3/32/18

Ungapped

T38

Bulk

Ferrite Cores & Accessories TOROID16X9,6X6,3N30

B64290L45X830
TDK
1: £0.759
1,944In Stock
24,000Expected 28/08/2026

Mfr. Part No.
B64290L45X830

Mouser Part No
871-B64290L45X830

TDK

Ferrite Cores & Accessories TOROID16X9,6X6,3N30

Learn More

Datasheet

1,944In Stock

24,000Expected 28/08/2026

£0.759

£0.525

£0.41

£0.361

View

Min.: 1
Mult.: 1

B64290L

Toroids

Ungapped

2.77 uH

N30

Bulk

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

B64290L0615X087
TDK
1: £2.54
817In Stock

Mfr. Part No.
B64290L0615X087

Mouser Part No
871-B64290L615X87

TDK

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

Learn More

Datasheet

817In Stock

£2.54

£1.75

£1.50

£1.32

Reel

£1.03

View

Min.: 1
Mult.: 1

: 300

TX25.3/14.8/15

Toroids

Ungapped

3.5 uH

N87

Ammo Pack

Ferrite Cores & Accessories TOROID 25.3X14.8X10 T37

B64290L618X37
TDK
1: £2.13
1,210In Stock

Mfr. Part No.
B64290L618X37

Mouser Part No
871-B64290L618X37

TDK

Ferrite Cores & Accessories TOROID 25.3X14.8X10 T37

Learn More

Datasheet

1,210In Stock

£2.13

£1.48

£1.26

£1.11

View

Reel

£0.796

Min.: 1
Mult.: 1

: 500

B64290L

Toroids

Ungapped

6.97 uH

T37

Ammo Pack

Ferrite Cores & Accessories TOROID 22.1X13.7 X6.35 N87

B64290L0638X087
TDK
1: £1.18
1,444In Stock

Mfr. Part No.
B64290L0638X087

Mouser Part No
871-B64290L638X87

TDK

Ferrite Cores & Accessories TOROID 22.1X13.7 X6.35 N87

Learn More

Datasheet

1,444In Stock

£1.18

£0.811

£0.699

£0.643

Reel

£0.482

View

Min.: 1
Mult.: 1

: 300

TX22/14/6.4

Toroids

Ungapped

1.34 uH

N87

Ammo Pack

Ferrite Cores & Accessories R30.5/20/12.5 T37 toroid

B64290L0657X037
TDK
1: £4.88
331In Stock
800On Order

Mfr. Part No.
B64290L0657X037

Mouser Part No
871-B64290L657X37

TDK

Ferrite Cores & Accessories R30.5/20/12.5 T37 toroid

Learn More

Datasheet

331In Stock

800On Order

£4.88

£3.39

£2.71

£2.49

View

Min.: 1
Mult.: 1

TX30/20/12

Toroids

Ungapped

T37

Bulk

Ferrite Cores & Accessories R14/9/5 N87 toroid

B64290L0658X087
TDK
1: £0.586
3,846In Stock

Mfr. Part No.
B64290L0658X087

Mouser Part No
871-B64290L658X87

TDK

Ferrite Cores & Accessories R14/9/5 N87 toroid

Learn More

Datasheet

3,846In Stock

£0.586

£0.403

£0.347

£0.31

Reel

£0.178

View

Min.: 1
Mult.: 1

: 1,200

TX14/9/5

Toroids

Ungapped

970 nH

N87

Ammo Pack

Ferrite Cores & Accessories R63/38/25 T65 toroid

B64290L699X65
TDK
1: £16.79
29In Stock
90Expected 25/12/2026

Mfr. Part No.
B64290L699X65

Mouser Part No
871-B64290L699X65

TDK

Ferrite Cores & Accessories R63/38/25 T65 toroid

Learn More

Datasheet

29In Stock

90Expected 25/12/2026

£16.79

£11.07

£10.06

Min.: 1
Mult.: 1

B64290L

Toroids

Ungapped

12.6 uH

T65

Bulk

Ferrite Cores & Accessories TOROID 12.7X7.9X6.35 N87

B64290L742X87
TDK
1: £0.54
1,985In Stock
4,500Expected 28/01/2027

Mfr. Part No.
B64290L742X87

Mouser Part No
871-B64290L742X87

TDK

Ferrite Cores & Accessories TOROID 12.7X7.9X6.35 N87

Learn More

Datasheet

1,985In Stock

4,500Expected 28/01/2027

£0.54

£0.375

£0.324

£0.288

View

Reel

£0.16

Min.: 1
Mult.: 1

: 1,500

B64290L

Toroids

Ungapped

1.33 uH

N87

Ammo Pack

Ferrite Cores & Accessories 6.3X3.8X2.5 N87 TOROID

B64290P0037X087
TDK
1: £0.586
2,025In Stock
12,000Expected 13/11/2026

Mfr. Part No.
B64290P0037X087

Mouser Part No
871-B64290P0037X087

TDK

Ferrite Cores & Accessories 6.3X3.8X2.5 N87 TOROID

Learn More

Datasheet

2,025In Stock

12,000Expected 13/11/2026

£0.586

£0.403

£0.347

£0.31

View

Min.: 1
Mult.: 1

TC6.3/3.8/2.5

Toroids

Ungapped

560 nH

N87

Bulk

Ferrite Cores & Accessories TOROID 6.3X3.8X2.5 T38

B64290P37X38
TDK
1: £0.705
4,281In Stock
12,000Expected 03/02/2027

Mfr. Part No.
B64290P37X38

Mouser Part No
871-B64290P37X38

TDK

Ferrite Cores & Accessories TOROID 6.3X3.8X2.5 T38

Learn More

Datasheet

4,281In Stock

12,000Expected 03/02/2027

£0.705

£0.488

£0.42

£0.373

View

Min.: 1
Mult.: 1

B64290P

Toroids

Ungapped

2.53 uH

T38

Bulk

Ferrite Cores & Accessories TC8/4/4-T38

B64290P0751X038
TDK
1: £0.89
1,334In Stock

Mfr. Part No.
B64290P0751X038

Mouser Part No
871-B64290P751X38

TDK

Ferrite Cores & Accessories TC8/4/4-T38

Learn More

Datasheet

1,334In Stock

£0.89

£0.614

£0.53

£0.488

View

Min.: 1
Mult.: 1

TC8/4/4

Toroids

Ungapped

5.5 uH

T38

Bulk

Ferrite Cores & Accessories P7/4-N30 +40%-30% Sold as set

B65511A0000Y030
TDK
1: £3.17
31In Stock
6,000Expected 30/11/2026

Mfr. Part No.
B65511A0000Y030

Mouser Part No
871-B65511A0000Y030

TDK

Ferrite Cores & Accessories P7/4-N30 +40%-30% Sold as set

Learn More

Datasheet

31In Stock

6,000Expected 30/11/2026

£3.17

£2.17

£1.85

£1.62

View

Min.: 1
Mult.: 1

P7/4

Ferrite Cores

Ungapped

P Core

7 x 4

2 uH

- 30 %, + 40 %

N30

Bulk

Ferrite Cores & Accessories ER14.5/3/7 N97 1500 +30% -20% Sold as set

B65513J0000R097
TDK
1: £1.85
123In Stock

Mfr. Part No.
B65513J0000R097

Mouser Part No
871-B65513J0000R097

TDK

Ferrite Cores & Accessories ER14.5/3/7 N97 1500 +30% -20% Sold as set

Learn More

Datasheet

123In Stock

£1.85

£1.28

£1.10

£0.969

View

Min.: 1
Mult.: 1

ER14.5

Ferrite Cores

Ungapped

ER Core

14.5 x 6

1.5 uH

- 20 %, + 30 %

N97

Bulk

Ferrite Cores & Accessories EER14.5x6x6.7 PC200 750 +30% -20% Sold as set

B65513J0000R608
TDK
1: £2.07
127In Stock
1,150Expected 30/03/2027

Mfr. Part No.
B65513J0000R608

Mouser Part No
871-B65513J0000R608

TDK

Ferrite Cores & Accessories EER14.5x6x6.7 PC200 750 +30% -20% Sold as set

Learn More

Datasheet

127In Stock

1,150Expected 30/03/2027

£2.07

£1.42

£1.21

£1.07

View

Min.: 1
Mult.: 1

ER14.5

Ferrite Cores

Ungapped

EER Core

14.5 mm x 6.7 mm

750 nH

- 20 %, + 30 %

PC200

Bulk

Ferrite Cores & Accessories ER 14.5/6 Planar Cores in Sets and Accessories

B65514A2000X000
TDK
1: £0.728
998In Stock

Mfr. Part No.
B65514A2000X000

Mouser Part No
871-B65514A2000X

TDK

Ferrite Cores & Accessories ER 14.5/6 Planar Cores in Sets and Accessories

Learn More

998In Stock

£0.728

£0.505

£0.434

£0.385

View

Min.: 1
Mult.: 1

CLI

Hardware & Accessories

Ungapped

ER Core

14.5 x 6

Bulk

Ferrite Cores & Accessories P9X5 M33 63 +3%-3% Sold as set

B65517D0063A033
TDK
1: £2.75
12In Stock

Mfr. Part No.
B65517D0063A033

Mouser Part No
871-B65517D0063A033

TDK

Ferrite Cores & Accessories P9X5 M33 63 +3%-3% Sold as set

Learn More

Datasheet

12In Stock

£2.75

£1.88

£1.59

£1.40

View

Min.: 1
Mult.: 1

P9/5

Ferrite Cores

Gapped

P Core

9 x 5

63 nH

3 %

M33

Bulk

Ferrite Cores & Accessories CF-P9/5-1S VALOX 420 SEO

B65522B0000T001
TDK
1: £0.248
2,770In Stock
3,000On Order

Mfr. Part No.
B65522B0000T001

Mouser Part No
871-B65522B0000T001

TDK

Ferrite Cores & Accessories CF-P9/5-1S VALOX 420 SEO

Learn More

Datasheet

2,770In Stock

3,000On Order

£0.248

£0.223

£0.216

£0.21

View

Min.: 1
Mult.: 1

P9/5

Hardware & Accessories

Ungapped

P Core

9 x 5

Coil Former without Solder Pins

Bulk

Ferrite Cores & Accessories CLI-ER11/5

B65526A2000X
TDK
1: £0.315
3,754In Stock
4,000Expected 25/08/2026

Mfr. Part No.
B65526A2000X

Mouser Part No
871-B65526A2000X

TDK

Ferrite Cores & Accessories CLI-ER11/5

Learn More

Datasheet

3,754In Stock

4,000Expected 25/08/2026

£0.315

£0.285

£0.274

£0.265

View

Min.: 1
Mult.: 1

B65526A

Hardware & Accessories

Ungapped

ER Core

11 x 5

Bulk

Ferrite Cores & Accessories P 14X8 N48 250 +3%-3% Sold as set

B65541T0250A048
TDK
1: £3.54
682In Stock

Mfr. Part No.
B65541T0250A048

Mouser Part No
871-B65541T0250A048

TDK

Ferrite Cores & Accessories P 14X8 N48 250 +3%-3% Sold as set

Learn More

Datasheet

682In Stock

£3.54

£2.44

£2.07

£1.81

View

Min.: 1
Mult.: 1

P14/8

Ferrite Cores

Gapped

P Core

14 x 8

250 nH

3 %

N48

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