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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: 3,246

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Part #

Ferrite Cores & Accessories ELP22/6/16 N87 gap 0.1+-0.02 mm

B66285G0100X187
TDK
1: $3.37
461In Stock
New Product

Mfr. Part #
B66285G0100X187

Mouser Part #
871-B66285G0100X187

New Product

TDK

Ferrite Cores & Accessories ELP22/6/16 N87 gap 0.1+-0.02 mm

Datasheet

461In Stock

$3.37

$2.33

$1.99

$1.76

View

Min.: 1
Mult.: 1

ELP22/6/16

Tray

Ferrite Cores & Accessories ELP43/10/28 N87 gap 1.0+-0.05 mm

B66291G1000X187
TDK
1: $6.37
426In Stock
New Product

Mfr. Part #
B66291G1000X187

Mouser Part #
871-B66291G1000X187

New Product

TDK

Ferrite Cores & Accessories ELP43/10/28 N87 gap 1.0+-0.05 mm

Datasheet

426In Stock

$6.37

$4.37

$3.71

$3.25

View

Min.: 1
Mult.: 1

ELP43/10/28

Tray

Ferrite Cores & Accessories Med Freq Transformer Core Nano 50x40x20

FT-3TL F5040GS
Proterial
1: $61.82
359In Stock
Preliminary Release

Mfr. Part #
FT-3TL F5040GS

Mouser Part #
205-FT-3TLF5040GS

Preliminary Release

Proterial

Ferrite Cores & Accessories Med Freq Transformer Core Nano 50x40x20

Learn More

359In Stock

$61.82

$50.31

$45.21

Min.: 1
Mult.: 1

FT-3TL F

Transformer Cores

Toroidal

Tray

Ferrite Cores & Accessories 95 TOROID

5995001101
Fair-Rite
1: $1.22
4,775In Stock

Mfr. Part #
5995001101

Mouser Part #
623-5995001101

Fair-Rite

Ferrite Cores & Accessories 95 TOROID

Learn More

Datasheet

4,775In Stock

$1.22

$0.985

$0.913

$0.863

View

Min.: 1
Mult.: 1

Bulk

Ferrite Cores & Accessories 79 TOROID

5979001101
Fair-Rite
1: $1.09
4,096In Stock

Mfr. Part #
5979001101

Mouser Part #
623-5979001101

Fair-Rite

Ferrite Cores & Accessories 79 TOROID

Learn More

Datasheet

4,096In Stock

$1.09

$0.889

$0.826

$0.754

View

Min.: 1
Mult.: 1

Bulk

Ferrite Cores & Accessories 80 TOROID

5980001101
Fair-Rite
1: $1.16
4,230In Stock

Mfr. Part #
5980001101

Mouser Part #
623-5980001101

Fair-Rite

Ferrite Cores & Accessories 80 TOROID

Learn More

Datasheet

4,230In Stock

$1.16

$0.937

$0.866

$0.823

View

Min.: 1
Mult.: 1

Bulk

Ferrite Cores & Accessories RM6/I-N49 '+30%-20% Sold as set

B65807J0000R049
TDK
1: $2.94
13,750In Stock

Mfr. Part #
B65807J0000R049

Mouser Part #
871-B65807J0000R049

TDK

Ferrite Cores & Accessories RM6/I-N49 '+30%-20% Sold as set

Learn More

Datasheet

13,750In Stock

$2.94

$2.31

$2.11

$1.95

View

Min.: 1
Mult.: 1

RM6

Ferrite Cores

Ungapped

RM Core

RM 6

1.7 uH

- 20 %, + 30 %

N49

Blister Pack

Ferrite Cores & Accessories 78 Rod 9.5/70-78

4078377511
Fair-Rite
1: $4.06
70,207In Stock

Mfr. Part #
4078377511

Mouser Part #
623-4078377511

Fair-Rite

Ferrite Cores & Accessories 78 Rod 9.5/70-78

Learn More

70,207In Stock

Cut Tape

$4.06

$2.80

$2.38

$1.99

$1.81

Reel

$1.44

Min.: 1
Mult.: 1

: 282

Rods

Solid Rod

Reel, Cut Tape

Ferrite Cores & Accessories 63x121x50 Amorphous Cut Core

AMCC0200
Proterial
1: $105.83
73In Stock

Mfr. Part #
AMCC0200

Mouser Part #
205-AMCC0200

Proterial

Ferrite Cores & Accessories 63x121x50 Amorphous Cut Core

Learn More

Datasheet

73In Stock

$105.83

$88.47

Min.: 1
Mult.: 1

AMCC

Ferrite Cores

Amorphous Core

Metglas Alloy

Ferrite Cores & Accessories 41x82x35 FINEMET Cut Core

F3CC0040
Proterial
1: $334.35
14In Stock

Mfr. Part #
F3CC0040

Mouser Part #
205-F3CC0040

Proterial

Ferrite Cores & Accessories 41x82x35 FINEMET Cut Core

Datasheet

14In Stock

$334.35

$307.75

Min.: 1
Mult.: 1

F3CC

Ferrite Cores

Cut Core

Finemet

Ferrite Cores & Accessories 70X14.5

B65945A0000X022
TDK
1: $53.24
141In Stock
80Expected 10/5/2026

Mfr. Part #
B65945A0000X022

Mouser Part #
871-B65945A0000X022

TDK

Ferrite Cores & Accessories 70X14.5

Learn More

Datasheet

141In Stock

80Expected 10/5/2026

$53.24

$38.47

$36.54

Min.: 1
Mult.: 1

PCH70/14.5

Ferrite Cores

Ungapped

P Core Half

P 70 x 14.5

N22

Bulk

Ferrite Cores & Accessories 63x121x35 FINEMET Cut Core

F3CC0125
Proterial
1: $581.00
8In Stock

Mfr. Part #
F3CC0125

Mouser Part #
205-F3CC0125

Proterial

Ferrite Cores & Accessories 63x121x35 FINEMET Cut Core

Datasheet

8In Stock

$581.00

$534.78

Min.: 1
Mult.: 1

F3CC

Ferrite Cores

Cut Core

Finemet

Ferrite Cores & Accessories 50X30X20 N27 TOROID

B64290L0082X027
TDK
1: $19.28
210In Stock
120Expected 11/30/2026

Mfr. Part #
B64290L0082X027

Mouser Part #
871-B64290L0082X027

TDK

Ferrite Cores & Accessories 50X30X20 N27 TOROID

Learn More

Datasheet

210In Stock

120Expected 11/30/2026

$19.28

$13.95

$11.21

$10.87

$9.45

Min.: 1
Mult.: 1

TX50/30/20

Toroids

Ungapped

N27

Bulk

Ferrite Cores & Accessories RM5 N48 125 +2% -2% Sold as set

B65805N0125G048
TDK
1: $4.93
1,490In Stock

Mfr. Part #
B65805N0125G048

Mouser Part #
871-B65805N0125G048

TDK

Ferrite Cores & Accessories RM5 N48 125 +2% -2% Sold as set

Learn More

Datasheet

1,490In Stock

$4.93

$3.38

$2.86

$2.51

View

Min.: 1
Mult.: 1

RM5

Ferrite Cores

Gapped

RM Core

RM 5

125 nH

2 %

N48

Blister Pack

Ferrite Cores & Accessories RM6 N87 3000 '+30%-20% Sold as set

B65807P0000R087
TDK
1: $4.43
2,591In Stock

Mfr. Part #
B65807P0000R087

Mouser Part #
871-B65807P0000R087

TDK

Ferrite Cores & Accessories RM6 N87 3000 '+30%-20% Sold as set

Learn More

Datasheet

2,591In Stock

$4.43

$3.07

$2.63

$2.31

View

Min.: 1
Mult.: 1

RM6

Ferrite Cores

Ungapped

RM LP Core

RM 6

3 uH

- 20 %, + 30 %

N87

Blister Pack

Ferrite Cores & Accessories 67 Rod 2x15MM

3067990851
Fair-Rite
1: $0.702
13,104In Stock

Mfr. Part #
3067990851

Mouser Part #
623-3067990851

Fair-Rite

Ferrite Cores & Accessories 67 Rod 2x15MM

13,104In Stock

$0.702

$0.488

$0.421

$0.376

View

Min.: 1
Mult.: 1

Rods

Solid Rod

Bulk

Ferrite Cores & Accessories 41.8/26.2/12.5T37 TOROID

B64290L0022X037
TDK
1: $9.23
551In Stock

Mfr. Part #
B64290L0022X037

Mouser Part #
871-B64290L0022X037

TDK

Ferrite Cores & Accessories 41.8/26.2/12.5T37 TOROID

Learn More

Datasheet

551In Stock

$9.23

$6.24

$5.25

$4.56

$4.25

Min.: 1
Mult.: 1

TX42/26/13

Toroids

Ungapped

7 uH

T37

Bulk

Ferrite Cores & Accessories TOROID 10X6X4 N87

B64290L38X87
TDK
1: $0.442
23,255In Stock

Mfr. Part #
B64290L38X87

Mouser Part #
871-B64290L38X87

TDK

Ferrite Cores & Accessories TOROID 10X6X4 N87

Learn More

Datasheet

23,255In Stock

$0.442

$0.311

$0.269

$0.241

View

Reel

$0.122

Min.: 1
Mult.: 1

: 3,000

B64290L

Toroids

Ungapped

900 nH

N87

Ammo Pack

Ferrite Cores & Accessories P26/16-N48 +30%-20% Sold as set

B65671D0000R048
TDK
1: $9.22
1,184In Stock

Mfr. Part #
B65671D0000R048

Mouser Part #
871-B65671D0000R048

TDK

Ferrite Cores & Accessories P26/16-N48 +30%-20% Sold as set

Learn More

Datasheet

1,184In Stock

$9.22

$6.24

$5.25

$4.56

View

Min.: 1
Mult.: 1

P26/16

Ferrite Cores

Ungapped

P Core

P 26 x 16

4.9 uH

- 20 %, + 30 %

N48

Bulk

Ferrite Cores & Accessories P 26X16 N87 5500 +30%-20% Sold as set

B65671W0000R087
TDK
1: $7.28
1,621In Stock

Mfr. Part #
B65671W0000R087

Mouser Part #
871-B65671W0000R087

TDK

Ferrite Cores & Accessories P 26X16 N87 5500 +30%-20% Sold as set

Learn More

Datasheet

1,621In Stock

$7.28

$4.95

$4.19

$3.64

View

Min.: 1
Mult.: 1

P26/16

Ferrite Cores

Ungapped

P Core

P 26 x 16

5.5 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories EP20-N30 '+30%-20% Sold as set

B65847A0000R030
TDK
1: $8.27
1,044In Stock

Mfr. Part #
B65847A0000R030

Mouser Part #
871-B65847A0000R030

TDK

Ferrite Cores & Accessories EP20-N30 '+30%-20% Sold as set

Learn More

Datasheet

1,044In Stock

$8.27

$5.60

$4.73

$4.11

View

Min.: 1
Mult.: 1

EP20

Ferrite Cores

Ungapped

EP Core

EP 20

6.7 uH

- 20 %, + 30 %

N30

Bulk

Ferrite Cores & Accessories YOKE EF20

B66206A2001X000
TDK
1: $1.29
5,532In Stock

Mfr. Part #
B66206A2001X000

Mouser Part #
871-B66206A2001X000

TDK

Ferrite Cores & Accessories YOKE EF20

Learn More

Datasheet

5,532In Stock

$1.29

$0.901

$0.774

$0.688

View

Min.: 1
Mult.: 1

E20/10/6

Hardware & Accessories

Ungapped

E Core

Yoke

Bulk

Ferrite Cores & Accessories I18/2/10 N49 2100 +25% -25%

B66283K0000X149
TDK
1: $3.02
1,894In Stock

Mfr. Part #
B66283K0000X149

Mouser Part #
871-B66283KX149

TDK

Ferrite Cores & Accessories I18/2/10 N49 2100 +25% -25%

Learn More

Datasheet

1,894In Stock

$3.02

$2.09

$1.78

$1.57

View

Min.: 1
Mult.: 1

I18/2/10

Ferrite Cores

Ungapped

I Core

18 x 2 x 10

2.1 uH

25 %

EILP 18 Core Set

N49

Bulk

Ferrite Cores & Accessories 95 TOROID

5995000301
Fair-Rite
1: $1.14
4,770In Stock

Mfr. Part #
5995000301

Mouser Part #
623-5995000301

Fair-Rite

Ferrite Cores & Accessories 95 TOROID

Learn More

Datasheet

4,770In Stock

$1.14

$0.93

$0.863

$0.815

View

Min.: 1
Mult.: 1

Bulk

Ferrite Cores & Accessories 95 TOROID

5995000201
Fair-Rite
1: $0.585
11,992In Stock

Mfr. Part #
5995000201

Mouser Part #
623-5995000201

Fair-Rite

Ferrite Cores & Accessories 95 TOROID

Learn More

Datasheet

11,992In Stock

$0.585

$0.443

$0.399

$0.368

View

Min.: 1
Mult.: 1

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