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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: 3,253

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Part #

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

B66291G1000X187
TDK
1: £3.68
426In Stock
New Product

Mfr. Part No.
B66291G1000X187

Mouser Part No
871-B66291G1000X187

New Product

TDK

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

Datasheet

426In Stock

£3.68

£2.52

£2.14

£1.88

View

Min.: 1
Mult.: 1

ELP43/10/28

Tray

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

B66285G0100X187
TDK
1: £1.95
461In Stock
New Product

Mfr. Part No.
B66285G0100X187

Mouser Part No
871-B66285G0100X187

New Product

TDK

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

Datasheet

461In Stock

£1.95

£1.34

£1.15

£1.01

View

Min.: 1
Mult.: 1

ELP22/6/16

Tray

Ferrite Cores & Accessories Med Freq Transformer Core Nano 50x40x20

FT-3TL F5040GS
Proterial
1: £35.70
359In Stock
Preliminary Release

Mfr. Part No.
FT-3TL F5040GS

Mouser Part No
205-FT-3TLF5040GS

Preliminary Release

Proterial

Ferrite Cores & Accessories Med Freq Transformer Core Nano 50x40x20

Learn More

359In Stock

£35.70

£29.05

£26.11

Min.: 1
Mult.: 1

FT-3TL F

Transformer Cores

Toroidal

Tray

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

B65807J0000R049
TDK
1: £1.69
13,750In Stock

Mfr. Part No.
B65807J0000R049

Mouser Part No
871-B65807J0000R049

TDK

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

Learn More

Datasheet

13,750In Stock

£1.69

£1.34

£1.21

£1.13

View

Min.: 1
Mult.: 1

RM6

Ferrite Cores

Ungapped

RM Core

RM 6

1.7 uH

- 20 %, + 30 %

N49

Blister Pack

Ferrite Cores & Accessories 79 TOROID

5979001101
Fair-Rite
1: £0.63
4,096In Stock

Mfr. Part No.
5979001101

Mouser Part No
623-5979001101

Fair-Rite

Ferrite Cores & Accessories 79 TOROID

Learn More

Datasheet

4,096In Stock

£0.63

£0.513

£0.477

£0.436

View

Min.: 1
Mult.: 1

Bulk

Ferrite Cores & Accessories 80 TOROID

5980001101
Fair-Rite
1: £0.668
4,230In Stock

Mfr. Part No.
5980001101

Mouser Part No
623-5980001101

Fair-Rite

Ferrite Cores & Accessories 80 TOROID

Learn More

Datasheet

4,230In Stock

£0.668

£0.541

£0.50

£0.475

View

Min.: 1
Mult.: 1

Bulk

Ferrite Cores & Accessories PS35 N22 35 X 10.8

B65947A0000X022
TDK
1: £3.75
6,077In Stock

Mfr. Part No.
B65947A0000X022

Mouser Part No
871-B65947A0000X022

TDK

Ferrite Cores & Accessories PS35 N22 35 X 10.8

Learn More

Datasheet

6,077In Stock

£3.75

£2.56

£2.17

£1.89

£1.69

Min.: 1
Mult.: 1

PS35/10.8

Ferrite Cores

Ungapped

PS Core

PS 35 x 10.8

N22

Bulk

Ferrite Cores & Accessories 95 TOROID

5995001101
Fair-Rite
1: £0.705
4,775In Stock

Mfr. Part No.
5995001101

Mouser Part No
623-5995001101

Fair-Rite

Ferrite Cores & Accessories 95 TOROID

Learn More

Datasheet

4,775In Stock

£0.705

£0.569

£0.527

£0.498

View

Min.: 1
Mult.: 1

Bulk

Ferrite Cores & Accessories 78 Rod 9.5/70-78

4078377511
Fair-Rite
1: £2.34
70,207In Stock

Mfr. Part No.
4078377511

Mouser Part No
623-4078377511

Fair-Rite

Ferrite Cores & Accessories 78 Rod 9.5/70-78

Learn More

70,207In Stock

Cut Tape

£2.34

£1.62

£1.37

£1.15

£1.05

Reel

£0.869

Min.: 1
Mult.: 1

: 282

Rods

Solid Rod

Reel, Cut Tape

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

B65807P0000R087
TDK
1: £2.56
2,591In Stock

Mfr. Part No.
B65807P0000R087

Mouser Part No
871-B65807P0000R087

TDK

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

Learn More

Datasheet

2,591In Stock

£2.56

£1.77

£1.52

£1.34

View

Min.: 1
Mult.: 1

RM6

Ferrite Cores

Ungapped

RM LP Core

RM 6

3 uH

- 20 %, + 30 %

N87

Blister Pack

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

B65805N0125G048
TDK
1: £2.85
1,490In Stock

Mfr. Part No.
B65805N0125G048

Mouser Part No
871-B65805N0125G048

TDK

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

Learn More

Datasheet

1,490In Stock

£2.85

£1.96

£1.65

£1.45

View

Min.: 1
Mult.: 1

RM5

Ferrite Cores

Gapped

RM Core

RM 5

125 nH

2 %

N48

Blister Pack

Ferrite Cores & Accessories 50X30X20 N27 TOROID

B64290L0082X027
TDK
1: £11.13
210In Stock
120Expected 30/11/2026

Mfr. Part No.
B64290L0082X027

Mouser Part No
871-B64290L0082X027

TDK

Ferrite Cores & Accessories 50X30X20 N27 TOROID

Learn More

Datasheet

210In Stock

120Expected 30/11/2026

£11.13

£8.06

£6.47

£6.28

£5.68

Min.: 1
Mult.: 1

TX50/30/20

Toroids

Ungapped

N27

Bulk

Ferrite Cores & Accessories 41x82x35 FINEMET Cut Core

F3CC0040
Proterial
1: £193.09
14In Stock

Mfr. Part No.
F3CC0040

Mouser Part No
205-F3CC0040

Proterial

Ferrite Cores & Accessories 41x82x35 FINEMET Cut Core

Datasheet

14In Stock

£193.09

£177.73

Min.: 1
Mult.: 1

F3CC

Ferrite Cores

Cut Core

Finemet

Ferrite Cores & Accessories 70X14.5

B65945A0000X022
TDK
1: £30.75
141In Stock
80Expected 05/10/2026

Mfr. Part No.
B65945A0000X022

Mouser Part No
871-B65945A0000X022

TDK

Ferrite Cores & Accessories 70X14.5

Learn More

Datasheet

141In Stock

80Expected 05/10/2026

£30.75

£22.22

£21.10

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: £335.54
8In Stock

Mfr. Part No.
F3CC0125

Mouser Part No
205-F3CC0125

Proterial

Ferrite Cores & Accessories 63x121x35 FINEMET Cut Core

Datasheet

8In Stock

£335.54

£308.85

Min.: 1
Mult.: 1

F3CC

Ferrite Cores

Cut Core

Finemet

Ferrite Cores & Accessories 63x121x50 Amorphous Cut Core

AMCC0200
Proterial
1: £61.12
73In Stock

Mfr. Part No.
AMCC0200

Mouser Part No
205-AMCC0200

Proterial

Ferrite Cores & Accessories 63x121x50 Amorphous Cut Core

Learn More

Datasheet

73In Stock

£61.12

£51.09

Min.: 1
Mult.: 1

AMCC

Ferrite Cores

Amorphous Core

Metglas Alloy

Ferrite Cores & Accessories 95 TOROID

5995000201
Fair-Rite
1: £0.338
11,992In Stock

Mfr. Part No.
5995000201

Mouser Part No
623-5995000201

Fair-Rite

Ferrite Cores & Accessories 95 TOROID

Learn More

Datasheet

11,992In Stock

£0.338

£0.256

£0.23

£0.212

View

Min.: 1
Mult.: 1

Bulk

Ferrite Cores & Accessories 4000n 25% Mn-Zn PC95 Ferrite Core

PC95PQ20/20Z-12
TDK
1: £5.70
1,000In Stock

Mfr. Part No.
PC95PQ20/20Z-12

Mouser Part No
810-PC95PQ20/20Z-12

TDK

Ferrite Cores & Accessories 4000n 25% Mn-Zn PC95 Ferrite Core

Learn More

Datasheet

1,000In Stock

£5.70

£3.85

£3.18

£2.92

View

Min.: 1
Mult.: 1

Ferrite Bead Cores

Ferrite Core for Switching Power Supplies

Tray

Ferrite Cores & Accessories 6400n 25% Mn-Zn PC95 Ferrite Core

PC95PQ40/40Z-12
TDK
1: £7.46
463In Stock

Mfr. Part No.
PC95PQ40/40Z-12

Mouser Part No
810-PC95PQ40/40Z-12

TDK

Ferrite Cores & Accessories 6400n 25% Mn-Zn PC95 Ferrite Core

Learn More

Datasheet

463In Stock

£7.46

£5.30

£4.20

£3.95

View

Min.: 1
Mult.: 1

Ferrite Bead Cores

Ferrite Core for Switching Power Supplies

Tray

Ferrite Cores & Accessories R34/20.5/12.5 K 1 toroid

B64290A0048X001
TDK
1: £9.52
216In Stock

Mfr. Part No.
B64290A0048X001

Mouser Part No
871-B64290A48X1

TDK

Ferrite Cores & Accessories R34/20.5/12.5 K 1 toroid

Learn More

216In Stock

£9.52

£6.37

£5.29

£5.03

Min.: 1
Mult.: 1

T34/20.5/12.5

Ungapped

Bulk

Ferrite Cores & Accessories 40X24X16 T65 TOROID

B64290L0659X065
TDK
1: £6.66
528In Stock

Mfr. Part No.
B64290L0659X065

Mouser Part No
871-B64290L0659X065

TDK

Ferrite Cores & Accessories 40X24X16 T65 TOROID

Learn More

Datasheet

528In Stock

£6.66

£4.48

£3.75

£3.30

Min.: 1
Mult.: 1

TX40/24/16

Toroids

Ungapped

8.2 uH

T65

Bulk

Ferrite Cores & Accessories P CORE HALF 25X8.9

B65939A0000X022
TDK
1: £2.99
1,005In Stock

Mfr. Part No.
B65939A0000X022

Mouser Part No
871-B65939A0000X022

TDK

Ferrite Cores & Accessories P CORE HALF 25X8.9

Learn More

Datasheet

1,005In Stock

£2.99

£2.04

£1.74

£1.52

View

Min.: 1
Mult.: 1

PS25/8.9

Ferrite Cores

Ungapped

PS Core

PS 25 x 8.9

N22

Bulk

Ferrite Cores & Accessories ELP18/4/10 N49OL

B66283G0000X149
TDK
1: £1.70
1,906In Stock

Mfr. Part No.
B66283G0000X149

Mouser Part No
871-B66283G0000X149

TDK

Ferrite Cores & Accessories ELP18/4/10 N49OL

Learn More

Datasheet

1,906In Stock

£1.70

£1.19

£1.00

£0.89

View

Min.: 1
Mult.: 1

ELP18/4/10

Ferrite Cores

Ungapped

ELP Core

18 x 4 x 10

800 nH

25 %

EILP 18 Core Set

N49

Bulk

Ferrite Cores & Accessories E16/8/5 N87 gap 0.24+-0.02 mm

B66307G0240X187
TDK
1: £0.705
4,714In Stock

Mfr. Part No.
B66307G0240X187

Mouser Part No
871-B66307G240X187

TDK

Ferrite Cores & Accessories E16/8/5 N87 gap 0.24+-0.02 mm

Learn More

Datasheet

4,714In Stock

£0.705

£0.491

£0.423

£0.375

View

Min.: 1
Mult.: 1

E16/8/5

Ferrite Cores

Gapped

E Core

16 x 8 x 5 (EF 16)

240 nH

N87

Bulk

Ferrite Cores & Accessories E47/20/16 N87OL

B66383G0000X187
TDK
1: £4.26
1,131In Stock

Mfr. Part No.
B66383G0000X187

Mouser Part No
871-B66383G0000X187

TDK

Ferrite Cores & Accessories E47/20/16 N87OL

Learn More

Datasheet

1,131In Stock

£4.26

£2.91

£2.45

£2.14

View

Min.: 1
Mult.: 1

E47/20/16

Ferrite Cores

Ungapped

E Core

47 x 20 x 16

5.6 uH

- 20 %, + 30 %

N87

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