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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 41.8/26.2/12.5M33 TOROID

B64290A0022X033
TDK
1: £7.60
18In Stock
400Expected 21/07/2027

Mfr. Part No.
B64290A0022X033

Mouser Part No
871-B64290A0022X033

TDK

Ferrite Cores & Accessories 41.8/26.2/12.5M33 TOROID

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Datasheet

18In Stock

400Expected 21/07/2027

£7.60

£5.40

£4.32

£3.68

Min.: 1
Mult.: 1

T42/26/13

Toroids

Ungapped

M33

Bulk

Ferrite Cores & Accessories 10X6X4 K1 TOROID

B64290A0038X001
TDK
1: £0.615
1,328In Stock
6,000Expected 11/01/2027

Mfr. Part No.
B64290A0038X001

Mouser Part No
871-B64290A0038X001

TDK

Ferrite Cores & Accessories 10X6X4 K1 TOROID

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Datasheet

1,328In Stock

6,000Expected 11/01/2027

£0.615

£0.431

£0.372

£0.33

View

Min.: 1
Mult.: 1

T10/6/4

Toroids

Ungapped

Bulk

Ferrite Cores & Accessories T10/6/4-T38 TOROID

B64290A0038X038
TDK
1: £0.526
444In Stock

Mfr. Part No.
B64290A0038X038

Mouser Part No
871-B64290A0038X038

TDK

Ferrite Cores & Accessories T10/6/4-T38 TOROID

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Datasheet

444In Stock

£0.526

£0.362

£0.313

£0.278

View

Min.: 1
Mult.: 1

T10/6/4

Toroids

Ungapped

T38

Bulk

Ferrite Cores & Accessories 40X24X16 N30 TOROID

B64290A0659X830
TDK
1: £6.26
103In Stock

Mfr. Part No.
B64290A0659X830

Mouser Part No
871-B64290A0659X830

TDK

Ferrite Cores & Accessories 40X24X16 N30 TOROID

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Datasheet

103In Stock

£6.26

£4.44

£3.52

£3.30

£3.12

Min.: 1
Mult.: 1

T40/24/16

Toroids

Ungapped

N30

Bulk

Ferrite Cores & Accessories 22.1X13.7X7.90 N49 TOROID

B64290A0719X049
TDK
1: £1.68
54In Stock

Mfr. Part No.
B64290A0719X049

Mouser Part No
871-B64290A0719X049

TDK

Ferrite Cores & Accessories 22.1X13.7X7.90 N49 TOROID

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Datasheet

54In Stock

£1.68

£1.15

£1.07

£0.943

Reel

£0.608

View

Min.: 1
Mult.: 1

: 750

T22.1/13.7/7.9

Toroids

Ungapped

N49

Ammo Pack

Ferrite Cores & Accessories R63/38/25 N30 toroid

B64290A0699X830
TDK
1: £17.36
69In Stock

Mfr. Part No.
B64290A0699X830

Mouser Part No
871-B64290A699X830

TDK

Ferrite Cores & Accessories R63/38/25 N30 toroid

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Datasheet

69In Stock

£17.36

£11.52

£10.45

£10.13

£9.30

Min.: 1
Mult.: 1

T63/38/25

Toroids

Ungapped

N30

Bulk

Ferrite Cores & Accessories R63/38/25 N87 toroid

B64290A0699X087
TDK
1: £18.38
4In Stock
270On Order

Mfr. Part No.
B64290A0699X087

Mouser Part No
871-B64290A699X87

TDK

Ferrite Cores & Accessories R63/38/25 N87 toroid

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Datasheet

4In Stock

270On Order

£18.38

£12.74

£10.51

Min.: 1
Mult.: 1

T63/38/25

Toroids

Ungapped

N87

Bulk

Ferrite Cores & Accessories 41.8X26.2X12.5 T65 TOROID

B64290L0022X065
TDK
1: £5.12
335In Stock

Mfr. Part No.
B64290L0022X065

Mouser Part No
871-B64290L0022X065

TDK

Ferrite Cores & Accessories 41.8X26.2X12.5 T65 TOROID

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Datasheet

335In Stock

£5.12

£3.54

£2.84

£2.60

£2.44

Min.: 1
Mult.: 1

TX42/26/13

Toroids

Ungapped

5.8 uH

T65

Bulk

Ferrite Cores & Accessories 10X6X4 N27 TOROID

B64290L0038X027
TDK
1: £0.33
4,777In Stock

Mfr. Part No.
B64290L0038X027

Mouser Part No
871-B64290L0038X027

TDK

Ferrite Cores & Accessories 10X6X4 N27 TOROID

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Datasheet

4,777In Stock

£0.33

£0.227

£0.197

£0.176

View

Reel

£0.084

Min.: 1
Mult.: 1

: 3,000

TX10/6/4

Toroids

Ungapped

N27

Ammo Pack

Ferrite Cores & Accessories 10/6/4 N49 TOROID

B64290L0038X049
TDK
1: £0.511
2,872In Stock
6,000Expected 05/10/2026

Mfr. Part No.
B64290L0038X049

Mouser Part No
871-B64290L0038X049

TDK

Ferrite Cores & Accessories 10/6/4 N49 TOROID

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Datasheet

2,872In Stock

6,000Expected 05/10/2026

Cut Tape

£0.511

£0.351

£0.303

£0.27

View

Reel

£0.147

Min.: 1
Mult.: 1

: 3,000

TX10/6/4

Toroids

Ungapped

610 nH

N49

Reel, Cut Tape

Ferrite Cores & Accessories 58.3/32/18 T37 TOROID

B64290L0043X037
TDK
1: £16.58
28In Stock

Mfr. Part No.
B64290L0043X037

Mouser Part No
871-B64290L0043X037

TDK

Ferrite Cores & Accessories 58.3/32/18 T37 TOROID

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Datasheet

28In Stock

£16.58

£12.34

£10.99

Min.: 1
Mult.: 1

TX58.3/32/18

Toroids

Ungapped

13 uH

T37

Bulk

Ferrite Cores & Accessories 12.5X7.5X5 N49 TOROID

B64290L0044X049
TDK
1: £0.548
3,119In Stock

Mfr. Part No.
B64290L0044X049

Mouser Part No
871-B64290L0044X049

TDK

Ferrite Cores & Accessories 12.5X7.5X5 N49 TOROID

Learn More

Datasheet

3,119In Stock

£0.548

£0.379

£0.327

£0.292

View

Reel

£0.159

Min.: 1
Mult.: 1

: 1,500

TX12.5/7.5/5

Toroids

Ungapped

660 nH

N49

Ammo Pack

Ferrite Cores & Accessories 12.5X7.5X5 N87 TOROID

B64290L0044X087
TDK
1: £0.45
2,870In Stock

Mfr. Part No.
B64290L0044X087

Mouser Part No
871-B64290L0044X087

TDK

Ferrite Cores & Accessories 12.5X7.5X5 N87 TOROID

Learn More

Datasheet

2,870In Stock

£0.45

£0.313

£0.271

£0.241

View

Reel

£0.126

Min.: 1
Mult.: 1

: 1,500

TX12.5/7.5/5

Toroids

Ungapped

1.12 uH

N87

Ammo Pack

Ferrite Cores & Accessories 34X20.5X12.5 T65 TOROID

B64290L0048X065
TDK
1: £4.90
188In Stock

Mfr. Part No.
B64290L0048X065

Mouser Part No
871-B64290L0048X065

TDK

Ferrite Cores & Accessories 34X20.5X12.5 T65 TOROID

Learn More

Datasheet

188In Stock

£4.90

£3.37

£2.72

£2.47

View

Min.: 1
Mult.: 1

TX34/20.5/12.5

Toroids

Ungapped

T65

Bulk

Ferrite Cores & Accessories 34/20.5/12.5 N87 TOROID

B64290L0048X087
TDK
1: £4.55
140In Stock

Mfr. Part No.
B64290L0048X087

Mouser Part No
871-B64290L0048X087

TDK

Ferrite Cores & Accessories 34/20.5/12.5 N87 TOROID

Learn More

Datasheet

140In Stock

£4.55

£3.16

£2.53

£2.49

£2.10

Min.: 1
Mult.: 1

TX34/20.5/12.5

Toroids

Ungapped

6.4 uH

N87

Bulk

Ferrite Cores & Accessories 102/65.8/15 N87 TOROID

B64290L0084X087
TDK
1: £30.28
1In Stock
72Expected 06/10/2026

Mfr. Part No.
B64290L0084X087

Mouser Part No
871-B64290L0084X087

TDK

Ferrite Cores & Accessories 102/65.8/15 N87 TOROID

Learn More

Datasheet

1In Stock

72Expected 06/10/2026

£30.28

£19.43

£18.66

Min.: 1
Mult.: 1

TX102/66/15

Toroids

Ungapped

2.88 uH

N87

Bulk

Ferrite Cores & Accessories 25.3/14.8/20 T38 TOROID

B64290L0616X038
TDK
1: £4.25
474In Stock
1,620Expected 21/12/2026

Mfr. Part No.
B64290L0616X038

Mouser Part No
871-B64290L0616X038

TDK

Ferrite Cores & Accessories 25.3/14.8/20 T38 TOROID

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Datasheet

474In Stock

1,620Expected 21/12/2026

£4.25

£2.90

£2.44

£2.14

View

Min.: 1
Mult.: 1

TX25.3/14.8/20

Toroids

Ungapped

21.3 uH

T38

Bulk

Ferrite Cores & Accessories 25.3X14.8X20 N30 TOROID

B64290L0616X087
TDK
1: £3.39
3In Stock
810Expected 30/11/2026

Mfr. Part No.
B64290L0616X087

Mouser Part No
871-B64290L0616X087

TDK

Ferrite Cores & Accessories 25.3X14.8X20 N30 TOROID

Learn More

Datasheet

3In Stock

810Expected 30/11/2026

£3.39

£2.32

£1.96

£1.73

£1.55

Min.: 1
Mult.: 1

TX25.3/14.8/20

Toroids

Ungapped

4.68 uH

N87

Bulk

Ferrite Cores & Accessories 25.3X14.8X10 N87 TOROID

B64290L0618X087
TDK
1: £1.96
560In Stock
4,000On Order

Mfr. Part No.
B64290L0618X087

Mouser Part No
871-B64290L0618X087

TDK

Ferrite Cores & Accessories 25.3X14.8X10 N87 TOROID

Learn More

Datasheet

560In Stock

4,000On Order

£1.96

£1.35

£1.15

£1.02

View

Min.: 1
Mult.: 1

TX25.3/14.8/10

Toroids

Ungapped

2.36 uH

N87

Bulk

Ferrite Cores & Accessories R22.1/13.7/6.35 T35 toroid

B64290L0638X035
TDK
1: £1.46
1,333In Stock

Mfr. Part No.
B64290L0638X035

Mouser Part No
871-B64290L0638X035

TDK

Ferrite Cores & Accessories R22.1/13.7/6.35 T35 toroid

Learn More

Datasheet

1,333In Stock

£1.46

£1.00

£0.863

£0.759

Reel

£0.60

View

Min.: 1
Mult.: 1

: 300

TX22/14/6.4

Toroids

Ungapped

3.2 uH

T35

Ammo Pack

Ferrite Cores & Accessories 22.1X13.7X6.35N30 TOROID

B64290L0638X830
TDK
1: £1.26
94In Stock
1,500Expected 26/08/2026

Mfr. Part No.
B64290L0638X830

Mouser Part No
871-B64290L0638X830

TDK

Ferrite Cores & Accessories 22.1X13.7X6.35N30 TOROID

Learn More

Datasheet

94In Stock

1,500Expected 26/08/2026

£1.26

£0.871

£0.746

£0.688

Reel

£0.491

View

Min.: 1
Mult.: 1

: 300

TX22/14/6.4

Toroids

Ungapped

2.61 uH

N30

Ammo Pack

Ferrite Cores & Accessories 29.5X19X14.9 T37 TOROID

B64290L0647X037
TDK
1: £4.21
533In Stock
600Expected 08/01/2027

Mfr. Part No.
B64290L0647X037

Mouser Part No
871-B64290L0647X037

TDK

Ferrite Cores & Accessories 29.5X19X14.9 T37 TOROID

Learn More

Datasheet

533In Stock

600Expected 08/01/2027

£4.21

£2.88

£2.44

£2.15

£1.75

Min.: 1
Mult.: 1

TX29/19/15

Toroids

Ungapped

8.5 uH

T37

Bulk

Ferrite Cores & Accessories 29.5/19/14.9 N30 TOROID

B64290L0647X830
TDK
1: £4.70
22In Stock
600Expected 30/03/2027

Mfr. Part No.
B64290L0647X830

Mouser Part No
871-B64290L0647X830

TDK

Ferrite Cores & Accessories 29.5/19/14.9 N30 TOROID

Learn More

Datasheet

22In Stock

600Expected 30/03/2027

£4.70

£3.21

£2.73

£2.39

View

Min.: 1
Mult.: 1

TX29/19/15

Toroids

Ungapped

5.63 uH

N30

Bulk

Ferrite Cores & Accessories 17/10.7/6.8 N87 TOROID

B64290L0652X087
TDK
1: £0.96
1,143In Stock

Mfr. Part No.
B64290L0652X087

Mouser Part No
871-B64290L0652X087

TDK

Ferrite Cores & Accessories 17/10.7/6.8 N87 TOROID

Learn More

Datasheet

1,143In Stock

£0.96

£0.66

£0.57

£0.525

View

Reel

£0.33

Min.: 1
Mult.: 1

: 1,500

TX17/10.7/6.8

Toroids

Ungapped

1.39 uH

N87

Ammo Pack

Ferrite Cores & Accessories 17.4X10.3X7 N30 TOROID

B64290L0652X830
TDK
1: £1.03
894In Stock

Mfr. Part No.
B64290L0652X830

Mouser Part No
871-B64290L0652X830

TDK

Ferrite Cores & Accessories 17.4X10.3X7 N30 TOROID

Learn More

Datasheet

894In Stock

£1.03

£0.709

£0.611

£0.563

View

Reel

£0.363

Min.: 1
Mult.: 1

: 1,500

TX17.4/10.3/7

Toroids

Ungapped

2.71 uH

N30

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