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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 ER23/5/13 N49 UNGAPPED

B66482G0000X149
TDK
1: $4.81
10In Stock
1,080Expected 5/10/2026

Mfr. Part No.
B66482G0000X149

Mouser Part No
871-B66482G0000X149

TDK

Ferrite Cores & Accessories ER23/5/13 N49 UNGAPPED

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Datasheet

10In Stock

1,080Expected 5/10/2026

$4.81

$3.30

$2.80

$2.46

View

Min.: 1
Mult.: 1

I25/2/18

Ferrite Cores

Ungapped

ER Core

23 x 5 x 13

2.2 uH

25 %

EIR 23 Core Set

N49

Bulk

Ferrite Cores & Accessories ER23x5x13 PC200 1400 +30% -20%

B66482G0000X608
TDK
1: $4.30
686In Stock

Mfr. Part No.
B66482G0000X608

Mouser Part No
871-B66482G0000X608

TDK

Ferrite Cores & Accessories ER23x5x13 PC200 1400 +30% -20%

Learn More

Datasheet

686In Stock

$4.30

$2.96

$2.54

$2.24

View

Min.: 1
Mult.: 1

ER23/5/13

Ferrite Cores

Ungapped

ER Core

23.2 mm x 12.5 mm

1.4 uH

- 20 %, + 30 %

PC200

Bulk

Ferrite Cores & Accessories EQ30/8/20 N49 3330 +25% -25%

B66506G0000X149
TDK
1: $7.17
567In Stock

Mfr. Part No.
B66506G0000X149

Mouser Part No
871-B66506GX149

TDK

Ferrite Cores & Accessories EQ30/8/20 N49 3330 +25% -25%

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Datasheet

567In Stock

$7.17

$4.91

$4.18

$3.66

$3.17

Reel

$3.03

Min.: 1
Mult.: 1

: 288

ER32/5/21

Ferrite Cores

Ungapped

EQ Core

30 x 8 x 20

3.33 uH

25 %

EIQ 30 Core Set

N49

Ammo Pack

Ferrite Cores & Accessories I93/28/16-N27

B67345B0004X027
TDK
1: $19.08
48In Stock

Mfr. Part No.
B67345B0004X027

Mouser Part No
871-B67345B0004X027

TDK

Ferrite Cores & Accessories I93/28/16-N27

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Datasheet

48In Stock

$19.08

$13.80

$11.08

$10.77

Min.: 1
Mult.: 1

I93/28/16- Large Size

Ferrite Cores

Ungapped

I Core

93 x 104 x 16

3.8 uH

N27

Bulk

Ferrite Cores & Accessories I-CORE N87

B67345B0004X087
TDK
1: $20.70
120In Stock

Mfr. Part No.
B67345B0004X087

Mouser Part No
871-B67345B0004X087

TDK

Ferrite Cores & Accessories I-CORE N87

Learn More

Datasheet

120In Stock

$20.70

$13.45

$11.63

$10.44

$9.86

Min.: 1
Mult.: 1

I93/28/16

Ferrite Cores

Ungapped

UI Core

93 x 104 x 16

4.1 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories U93/76/20-N27

B67345B0010X027
TDK
1: $52.48
22In Stock

Mfr. Part No.
B67345B0010X027

Mouser Part No
871-B67345B0010X027

TDK

Ferrite Cores & Accessories U93/76/20-N27

Learn More

Datasheet

22In Stock

$52.48

$31.24

$30.33

Min.: 1
Mult.: 1

U93/76/20- Large Size

Ferrite Cores

Ungapped

UU Core

93 x 76 x 20

3.6 uH

UI 93 Core Set

N27

Bulk

Ferrite Cores & Accessories U93/76/20-N87

B67345B0010X087
TDK
1: $36.04
23In Stock

Mfr. Part No.
B67345B0010X087

Mouser Part No
871-B67345B0010X087

TDK

Ferrite Cores & Accessories U93/76/20-N87

Learn More

Datasheet

23In Stock

$36.04

$26.82

$23.90

Min.: 1
Mult.: 1

U93/76/20- Large Size

Ferrite Cores

Ungapped

UU Core

93 x 76 x 20

3.9 uH

UI 93 Core Set

N87

Bulk

Ferrite Cores & Accessories I93/28/20-N27

B67345B0011X027
TDK
1: $22.89
66In Stock

Mfr. Part No.
B67345B0011X027

Mouser Part No
871-B67345B0011X027

TDK

Ferrite Cores & Accessories I93/28/20-N27

Learn More

Datasheet

66In Stock

$22.89

$16.55

$13.30

$12.91

Min.: 1
Mult.: 1

I93/28/20- Large Size

Ferrite Cores

Ungapped

I Core

93 x 28 x 20

UI 93 Core Set

N27

Bulk

Ferrite Cores & Accessories I 93X28X20 N87 5300 '+30%-

B67345B0011X087
TDK
1: $24.26
128In Stock

Mfr. Part No.
B67345B0011X087

Mouser Part No
871-B67345B0011X087

TDK

Ferrite Cores & Accessories I 93X28X20 N87 5300 '+30%-

Learn More

Datasheet

128In Stock

$24.26

$14.70

$12.68

$11.82

Min.: 1
Mult.: 1

I93/28/20- Large Size

Ferrite Cores

Ungapped

I Core

93 x 28 x 20

5.3 uH

30 %

UI 93 Core Set

N87

Bulk

Ferrite Cores & Accessories I93X28X30 N27 7400 +30%-20%

B67345B0002X027
TDK
1: $26.74
8In Stock

Mfr. Part No.
B67345B0002X027

Mouser Part No
871-B67345B2X27

TDK

Ferrite Cores & Accessories I93X28X30 N27 7400 +30%-20%

Learn More

Datasheet

8In Stock

$26.74

$16.44

$14.16

$13.57

Min.: 1
Mult.: 1

I93/28/30- Large Size

Ferrite Cores

Ungapped

I Core

93 x 104 x 30

7.4 uH

N27

Bulk

Ferrite Cores & Accessories U101/76/30-N27

B67370A0002X027
TDK
1: $37.62
18In Stock

Mfr. Part No.
B67370A0002X027

Mouser Part No
871-B67370A0002X027

TDK

Ferrite Cores & Accessories U101/76/30-N27

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Datasheet

18In Stock

$37.62

$28.00

$24.93

Min.: 1
Mult.: 1

U101/76/30- Large Size

Ferrite Cores

Ungapped

U Core

101 x 76 x 30

4.6 uH

- 20 %, + 30 %

N27

Bulk

Ferrite Cores & Accessories I 126X28X20 N87 3900 '+25%-25%

B67385P0000X187
TDK
1: $45.26
24In Stock

Mfr. Part No.
B67385P0000X187

Mouser Part No
871-B67385P0000X187

TDK

Ferrite Cores & Accessories I 126X28X20 N87 3900 '+25%-25%

Learn More

Datasheet

24In Stock

$45.26

Reel

$45.26

$27.53

$25.84

Min.: 1
Mult.: 1

: 8

U126/91/20

Ferrite Cores

Ungapped

I Core

126 x 119 x 20

3.9 uH

25 %

UI 126 Core Set

N87

Ammo Pack

Ferrite Cores & Accessories U130/60/25-N27 Large Size

B67543G0000X127
TDK
1: $45.89
6In Stock
New Product

Mfr. Part No.
B67543G0000X127

Mouser Part No
871-B67543G0000X127

New Product

TDK

Ferrite Cores & Accessories U130/60/25-N27 Large Size

Learn More

Datasheet

6In Stock

$45.89

$35.69

$31.48

Min.: 1
Mult.: 1

U130/60/25- Large Size

Ferrite Cores

130 mm x 25 mm x 60 mm

7 uH

Tray

Ferrite Cores & Accessories 79 TOROID

5979000101
Fair-Rite
1: $0.422
1,878In Stock

Mfr. Part No.
5979000101

Mouser Part No
623-5979000101

Fair-Rite

Ferrite Cores & Accessories 79 TOROID

Learn More

Datasheet

1,878In Stock

$0.422

$0.291

$0.253

$0.226

View

Min.: 1
Mult.: 1

Bulk

Ferrite Cores & Accessories 77 BOBBIN GROUND 18 nH

9677001165
Fair-Rite
1: $1.43
150In Stock

Mfr. Part No.
9677001165

Mouser Part No
623-9677001165

Fair-Rite

Ferrite Cores & Accessories 77 BOBBIN GROUND 18 nH

Learn More

150In Stock

$1.43

$1.11

$0.952

$0.846

View

Min.: 1
Mult.: 1

Hardware & Accessories

Coil Former (Bobbins)

18 nH

10 %

Bulk

Ferrite Cores & Accessories 44 Multi-Hole Plate

2644251801
Fair-Rite
1: $3.03
2,219In Stock
Verify Status with Factory

Mfr. Part No.
2644251801

Mouser Part No
623-2644251801

Verify Status with Factory

Fair-Rite

Ferrite Cores & Accessories 44 Multi-Hole Plate

2,219In Stock

$3.03

$2.09

$1.80

$1.58

View

Min.: 1
Mult.: 1

Bulk

Ferrite Cores & Accessories 7540n 25% Mn-Zn PC95 Ferrite Core

PC95ELT25X8.6-Z
TDK
1: $6.30
619In Stock

Mfr. Part No.
PC95ELT25X8.6-Z

Mouser Part No
810-PC95ELT25X8.6-Z

TDK

Ferrite Cores & Accessories 7540n 25% Mn-Zn PC95 Ferrite Core

Learn More

Datasheet

619In Stock

$6.30

$4.31

$3.64

$3.20

View

Min.: 1
Mult.: 1

Planar

Ferrite Bead Cores

Tray

Ferrite Cores & Accessories Coil former RM4LP PM9630

B65804N1206D001
TDK
1: $1.93
1,471In Stock

Mfr. Part No.
B65804N1206D001

Mouser Part No
871-B65804N1206D001

TDK

Ferrite Cores & Accessories Coil former RM4LP PM9630

Learn More

Datasheet

1,471In Stock

$1.93

$1.75

$1.62

$1.50

View

Min.: 1
Mult.: 1

RM4

Hardware & Accessories

Ungapped

Stick

Ferrite Cores & Accessories RM5 COIL FORMER 6 PIN

B65806N1106D002
TDK
1: $2.75
647In Stock
2,000Expected 26/1/2027

Mfr. Part No.
B65806N1106D002

Mouser Part No
871-B65806N1106D002

TDK

Ferrite Cores & Accessories RM5 COIL FORMER 6 PIN

Learn More

Datasheet

647In Stock

2,000Expected 26/1/2027

$2.75

$2.15

$1.85

$1.51

View

Min.: 1
Mult.: 1

RM5

Hardware & Accessories

Ungapped

Coil Former with Solder Pins

6 Pin

Tray

Ferrite Cores & Accessories COIL FORMER VYNCOLIT X611

B65840B1006D001
TDK
1: $1.66
334In Stock
6,000Expected 17/2/2027

Mfr. Part No.
B65840B1006D001

Mouser Part No
871-B65840B1006D001

TDK

Ferrite Cores & Accessories COIL FORMER VYNCOLIT X611

Learn More

Datasheet

334In Stock

6,000Expected 17/2/2027

$1.66

$1.27

$1.20

$1.16

View

Min.: 1
Mult.: 1

EP7

Hardware & Accessories

Ungapped

EP Core

EP 7

6 Pin

Tray

Ferrite Cores & Accessories 98 Pot Core P30/19 Ind 5800 nH 25% TOL

5698302021
Fair-Rite
1: $6.58
82In Stock

Mfr. Part No.
5698302021

Mouser Part No
623-5698302021

Fair-Rite

Ferrite Cores & Accessories 98 Pot Core P30/19 Ind 5800 nH 25% TOL

Learn More

Product Comments

82In Stock

$6.58

$4.60

$3.89

$3.40

$2.90

Min.: 1
Mult.: 1

Ferrite Cores

P Core

30 x 19

5.8 uH

25 %

Bulk

Ferrite Cores & Accessories 98 Pot Core P36/22 Ind 8500 nH 25% TOL

5698362321
Fair-Rite
1: $6.79
87In Stock

Mfr. Part No.
5698362321

Mouser Part No
623-5698362321

Fair-Rite

Ferrite Cores & Accessories 98 Pot Core P36/22 Ind 8500 nH 25% TOL

Learn More

Product Comments

87In Stock

$6.79

$4.64

$3.93

$3.51

$2.99

Min.: 1
Mult.: 1

Ferrite Cores

P Core

36 x 22

8.5 uH

25 %

Bulk

Ferrite Cores & Accessories 78 RM Core RM5 Ind 1650 nH 25% TOL

6278140121
Fair-Rite
1: $1.51
70In Stock

Mfr. Part No.
6278140121

Mouser Part No
623-6278140121

Fair-Rite

Ferrite Cores & Accessories 78 RM Core RM5 Ind 1650 nH 25% TOL

Learn More

Product Comments

70In Stock

$1.51

$1.04

$0.898

$0.797

View

Min.: 1
Mult.: 1

Ferrite Cores

RM Core

RM 5

1.65 uH

25 %

Bulk

Ferrite Cores & Accessories 78 RM Core RM6 Ind 2400 nH 25% TOL

6278180121
Fair-Rite
1: $1.63
800In Stock

Mfr. Part No.
6278180121

Mouser Part No
623-6278180121

Fair-Rite

Ferrite Cores & Accessories 78 RM Core RM6 Ind 2400 nH 25% TOL

Learn More

Product Comments

800In Stock

$1.63

$1.12

$0.97

$0.892

View

Min.: 1
Mult.: 1

Ferrite Cores

RM Core

RM 6

2.4 uH

25 %

Bulk

Ferrite Cores & Accessories 78 RM Core RM8 Ind 3000 nH 25% TOL

6278230121
Fair-Rite
1: $2.16
565In Stock

Mfr. Part No.
6278230121

Mouser Part No
623-6278230121

Fair-Rite

Ferrite Cores & Accessories 78 RM Core RM8 Ind 3000 nH 25% TOL

Learn More

Product Comments

565In Stock

$2.16

$1.50

$1.29

$1.18

View

Min.: 1
Mult.: 1

Ferrite Cores

RM Core

RM 8

3 uH

25 %

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