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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 RM 10 N87 250 '+3%-3% Sold as set

B65813J0250A087
TDK
1: £4.02
808In Stock

Mfr. Part No.
B65813J0250A087

Mouser Part No
871-B65813J0250A087

TDK

Ferrite Cores & Accessories RM 10 N87 250 '+3%-3% Sold as set

Learn More

Datasheet

808In Stock

£4.02

£2.75

£2.33

£2.03

£1.63

Min.: 1
Mult.: 1

RM10

Ferrite Cores

Gapped

RM Core

RM 10

250 nH

3 %

N87

Blister Pack

Ferrite Cores & Accessories RM 10 N48 400 '+3%-3% Sold as set

B65813N0400A048
TDK
1: £6.08
939In Stock

Mfr. Part No.
B65813N0400A048

Mouser Part No
871-B65813N0400A048

TDK

Ferrite Cores & Accessories RM 10 N48 400 '+3%-3% Sold as set

Learn More

Datasheet

939In Stock

£6.08

£4.16

£3.40

£3.05

£2.70

Min.: 1
Mult.: 1

RM10

Ferrite Cores

Gapped

RM Core

RM 10

400 nH

3 %

N48

Blister Pack

Ferrite Cores & Accessories WAS-RM10-2 MAKROFOL KL3

B65814B2005X000
TDK
1: £0.473
11,845In Stock
11,200Expected 14/09/2026

Mfr. Part No.
B65814B2005X000

Mouser Part No
871-B65814B2005X000

TDK

Ferrite Cores & Accessories WAS-RM10-2 MAKROFOL KL3

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Datasheet

11,845In Stock

11,200Expected 14/09/2026

£0.473

£0.428

£0.406

£0.375

View

Min.: 1
Mult.: 1

RM10

Hardware & Accessories

Ungapped

RM Core

RM 10

Insulating Washer

Polycarbonate

Bulk

Ferrite Cores & Accessories Clamp RM10

B65814B2203X000
TDK
400: £0.12
94,800In Stock

Mfr. Part No.
B65814B2203X000

Mouser Part No
871-B65814B2203X000

TDK

Ferrite Cores & Accessories Clamp RM10

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Datasheet

94,800In Stock

£0.12

£0.118

Min.: 400
Mult.: 400

RM10

Hardware & Accessories

Ungapped

RM Core

RM 10

Clamp with Ground Terminal

Stainless Spring Steel

Bulk

Ferrite Cores & Accessories RM12/I-N87 '+30%-20% Sold as set

B65815E0000R087
TDK
1: £5.48
1,265In Stock
900Expected 17/09/2026

Mfr. Part No.
B65815E0000R087

Mouser Part No
871-B65815E0000R087

TDK

Ferrite Cores & Accessories RM12/I-N87 '+30%-20% Sold as set

Learn More

Datasheet

1,265In Stock

900Expected 17/09/2026

£5.48

£3.76

£3.07

£2.76

£2.42

Min.: 1
Mult.: 1

RM12

Ferrite Cores

Ungapped

RM Core

RM 12

5.3 uH

- 20 %, + 30 %

Core

N87

SMD/SMT

Bulk

Ferrite Cores & Accessories RM 12 N41 160 +3%- 3% Sold as set

B65815E0160A041
TDK
1: £6.61
590In Stock

Mfr. Part No.
B65815E0160A041

Mouser Part No
871-B65815E160A41

TDK

Ferrite Cores & Accessories RM 12 N41 160 +3%- 3% Sold as set

Learn More

Datasheet

590In Stock

£6.61

£4.16

£3.57

£3.30

£3.03

Min.: 1
Mult.: 1

RM12

Ferrite Cores

Gapped

RM Core

RM 12

160 nH

3 %

Core

N41

SMD/SMT

Bulk

Ferrite Cores & Accessories CLI/P-RM12 2 PCS REQUIRED

B65816A2002X
TDK
1: £0.33
11,858In Stock
6,000Expected 05/10/2026

Mfr. Part No.
B65816A2002X

Mouser Part No
871-B65816A2002X

TDK

Ferrite Cores & Accessories CLI/P-RM12 2 PCS REQUIRED

Learn More

Datasheet

11,858In Stock

6,000Expected 05/10/2026

£0.33

£0.298

£0.287

£0.273

View

Min.: 1
Mult.: 1

B65816A

Hardware & Accessories

Ungapped

RM Core

RM 12

Clamp with Ground Terminal

Bulk

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B65816N1012D1
TDK
1: £1.24
2,095In Stock

Mfr. Part No.
B65816N1012D1

Mouser Part No
871-B65816N1012D1

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

2,095In Stock

£1.24

£1.13

£1.08

£1.05

View

Min.: 1
Mult.: 1

B65816N

Hardware & Accessories

Ungapped

RM Core

RM 12

12 Pin

Tray

Ferrite Cores & Accessories Coil former RM6 SMD Vectra E130i

B65821C1008T1
TDK
1: £1.56
4,392In Stock
3,000Expected 26/08/2026

Mfr. Part No.
B65821C1008T1

Mouser Part No
871-B65821C1008T1

TDK

Ferrite Cores & Accessories Coil former RM6 SMD Vectra E130i

Learn More

Datasheet

4,392In Stock

3,000Expected 26/08/2026

£1.56

£1.42

£1.32

£1.16

View

Min.: 1
Mult.: 1

B65821C

Hardware & Accessories

Ungapped

RM Core

RM 6

8 Pin

Gullwing

Tray

Ferrite Cores & Accessories COIL FORMER Laperos C 130

B65822F1008T001
TDK
1: £1.46
3,856In Stock

Mfr. Part No.
B65822F1008T001

Mouser Part No
871-B65822F1008T001

TDK

Ferrite Cores & Accessories COIL FORMER Laperos C 130

Learn More

Datasheet

3,856In Stock

£1.46

£1.32

£1.22

£1.08

View

Min.: 1
Mult.: 1

RM5

Hardware & Accessories

Ungapped

RM Core

RM 5

Coil Former

8 Pin

GFR Liquid Crystal Polymer

Gullwing

Tray

Ferrite Cores & Accessories COIL FORMER Laperos C 130

B65822J1008T001
TDK
1: £1.75
2,237In Stock

Mfr. Part No.
B65822J1008T001

Mouser Part No
871-B65822J1008T001

TDK

Ferrite Cores & Accessories COIL FORMER Laperos C 130

Learn More

Datasheet

2,237In Stock

£1.75

£1.58

£1.48

£1.36

View

Min.: 1
Mult.: 1

RM5

Hardware & Accessories

Ungapped

RM Core

RM 5

8 Pin

J Hook

Tray

Ferrite Cores & Accessories EP7-N30 +30%-20% Sold as set

B65839A0000R030
TDK
1: £1.31
3,152In Stock

Mfr. Part No.
B65839A0000R030

Mouser Part No
871-B65839A0000R030

TDK

Ferrite Cores & Accessories EP7-N30 +30%-20% Sold as set

Learn More

Datasheet

3,152In Stock

£1.31

£0.899

£0.773

£0.693

View

Min.: 1
Mult.: 1

EP7

Ferrite Cores

Ungapped

EP Core

EP 7

2 uH

- 20 %, + 30 %

N30

Bulk

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B65842W1008D001
TDK
1: £0.943
2,526In Stock

Mfr. Part No.
B65842W1008D001

Mouser Part No
871-B65842W1008D001

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

2,526In Stock

£0.943

£0.863

£0.811

£0.75

View

Min.: 1
Mult.: 1

EP10

Hardware & Accessories

Ungapped

EP Core

EP 10

8 Pin

Tray

Ferrite Cores & Accessories EP13 N87 Sold as set

B65843A0160B087
TDK
1: £1.92
2,685In Stock

Mfr. Part No.
B65843A0160B087

Mouser Part No
871-B65843A0160B087

TDK

Ferrite Cores & Accessories EP13 N87 Sold as set

Learn More

Datasheet

2,685In Stock

£1.92

£1.33

£1.14

£1.00

View

Min.: 1
Mult.: 1

EP13

Ferrite Cores

Gapped

EP Core

EP 13

160 nH

4 %

N87

Bulk

Ferrite Cores & Accessories CLM/Y-EP13

B65844S2000X000
TDK
1: £1.51
3,032In Stock

Mfr. Part No.
B65844S2000X000

Mouser Part No
871-B65844S2000X

TDK

Ferrite Cores & Accessories CLM/Y-EP13

Learn More

Datasheet

3,032In Stock

£1.51

£1.37

£1.27

£1.17

View

Min.: 1
Mult.: 1

EP13

Hardware & Accessories

Ungapped

EP Core

EP 13

Yoke, Clamp

Tray

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

B65847A0000R030
TDK
1: £5.88
819In Stock

Mfr. Part No.
B65847A0000R030

Mouser Part No
871-B65847A0000R030

TDK

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

Learn More

Datasheet

819In Stock

£5.88

£4.08

£3.26

£2.99

£2.82

Min.: 1
Mult.: 1

EP20

Ferrite Cores

Ungapped

EP Core

EP 20

6.7 uH

- 20 %, + 30 %

N30

Bulk

Ferrite Cores & Accessories PQ26/20 N95 Sold as set

B65877B0000R095
TDK
1: £7.86
398In Stock

Mfr. Part No.
B65877B0000R095

Mouser Part No
871-B65877B0000R095

TDK

Ferrite Cores & Accessories PQ26/20 N95 Sold as set

Learn More

Datasheet

398In Stock

£7.86

£5.36

£4.42

£3.88

£3.66

Min.: 1
Mult.: 1

PQ26/20

Ferrite Cores

Ungapped

PQ Core

26 x 20

5.15 uH

- 20 %, + 30 %

N95

Bulk

Ferrite Cores & Accessories PQ32/30 N87 Sold as set

B65879B0000R087
TDK
1: £6.35
422In Stock

Mfr. Part No.
B65879B0000R087

Mouser Part No
871-B65879B0000R087

TDK

Ferrite Cores & Accessories PQ32/30 N87 Sold as set

Learn More

Datasheet

422In Stock

£6.35

£4.34

£3.56

£2.90

View

Min.: 1
Mult.: 1

PQ32/30

Ferrite Cores

Ungapped

PQ Core

32 x 30

4.8 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories PQ35/35-N95-DG100 FERRITE CORE SET Sold as set

B65881Q0100K095
TDK
1: £13.47
184In Stock

Mfr. Part No.
B65881Q0100K095

Mouser Part No
871-B65881Q0100K095

TDK

Ferrite Cores & Accessories PQ35/35-N95-DG100 FERRITE CORE SET Sold as set

Learn More

Datasheet

184In Stock

£13.47

£8.97

£7.43

£6.84

Min.: 1
Mult.: 1

PQ35/35

Ferrite Cores

Distributed Gap

PQ Core

PQ 35 x 35

100 nH

N95

Tray

Ferrite Cores & Accessories CF-PQ35/35-V-1S-12P BOBBIN/COILFORMER

B65882B0012T001
TDK
1: £2.03
1,275In Stock

Mfr. Part No.
B65882B0012T001

Mouser Part No
871-B65882B0012T001

TDK

Ferrite Cores & Accessories CF-PQ35/35-V-1S-12P BOBBIN/COILFORMER

Learn More

Datasheet

1,275In Stock

£2.03

£1.83

£1.60

£1.40

View

Min.: 1
Mult.: 1

PQ35/35

Hardware & Accessories

Ungapped

PQ 35 x 35

Coil Former

12 Pin

Tray

Ferrite Cores & Accessories RM14/I-N87 '+30%-20% Sold as set

B65887E0000R087
TDK
1: £8.82
1,127In Stock

Mfr. Part No.
B65887E0000R087

Mouser Part No
871-B65887E0000R087

TDK

Ferrite Cores & Accessories RM14/I-N87 '+30%-20% Sold as set

Learn More

Datasheet

Product Comments

1,127In Stock

£8.82

£6.36

£5.31

£4.63

Min.: 1
Mult.: 1

RM14

Ferrite Cores

Ungapped

RM Core

RM 14

6 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories RM14/I-N97 '+30%-20% Sold as set

B65887E0000R097
TDK
1: £11.87
363In Stock
360Expected 26/08/2026

Mfr. Part No.
B65887E0000R097

Mouser Part No
871-B65887E0000R097

TDK

Ferrite Cores & Accessories RM14/I-N97 '+30%-20% Sold as set

Learn More

Datasheet

Product Comments

363In Stock

360Expected 26/08/2026

£11.87

£8.02

£6.67

£5.96

Min.: 1
Mult.: 1

RM14

Ferrite Cores

Ungapped

RM Core

RM 14

6 uH

- 20 %, + 30 %

N97

Bulk

Ferrite Cores & Accessories RM 14 N41 160 +3%- 3% Sold as set

B65887E0160A041
TDK
1: £11.37
357In Stock

Mfr. Part No.
B65887E0160A041

Mouser Part No
871-B65887E160A41

TDK

Ferrite Cores & Accessories RM 14 N41 160 +3%- 3% Sold as set

Learn More

Datasheet

Product Comments

357In Stock

£11.37

£7.73

£6.77

£6.69

£6.28

Min.: 1
Mult.: 1

RM14

Ferrite Cores

Gapped

RM Core

RM 14

160 nH

3 %

N41

Bulk

Ferrite Cores & Accessories CLM/P-RM14

B65888A2002X000
TDK
1: £0.526
6,010In Stock

Mfr. Part No.
B65888A2002X000

Mouser Part No
871-B65888A2002X000

TDK

Ferrite Cores & Accessories CLM/P-RM14

Datasheet

6,010In Stock

£0.526

£0.475

£0.434

£0.385

View

Min.: 1
Mult.: 1

RM14

Hardware & Accessories

Ungapped

RM Core

RM 14

Clamp with Ground Terminal

Bulk

Ferrite Cores & Accessories WAS-RM14-2 MAKROFOL KL3

B65888B2005X000
TDK
1: £1.43
3,067In Stock

Mfr. Part No.
B65888B2005X000

Mouser Part No
871-B65888B2005X

TDK

Ferrite Cores & Accessories WAS-RM14-2 MAKROFOL KL3

Learn More

Datasheet

3,067In Stock

£1.43

£1.19

£1.07

£0.943

View

Min.: 1
Mult.: 1

RM14

Hardware & Accessories

Ungapped

RM Core

RM 14

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