.hide-partial { max-height: none; } .show-more { display: none; }

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.
More...

Please view our selection of ferrite cores below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 3,245

Applied Filters:

Manufacturer

Series

Product

Type

Core

Core Size

Inductance

Tolerance

Accessory Type

Number of Pins

Core Material

Termination Style

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Ferrite Cores & Accessories 31x53x20 FINEMET Cut Core

F3CC06.3
Proterial
1: $223.31
42In Stock

Mfr. Part No.
F3CC06.3

Mouser Part No
205-F3CC06.3

Proterial

Ferrite Cores & Accessories 31x53x20 FINEMET Cut Core

Datasheet

42In Stock

$223.31

$205.55

Min.: 1
Mult.: 1

F3CC

Ferrite Cores

Cut Core

Finemet

Ferrite Cores & Accessories CORE SET, ML91S EER-25-16-18

ML91S EER-25-16-18
Proterial
2: $15.38
160In Stock

Mfr. Part No.
ML91S EER-25-16-18

Mouser Part No
205-ML91SEER-25

Proterial

Ferrite Cores & Accessories CORE SET, ML91S EER-25-16-18

Learn More

160In Stock

$15.38

$11.19

$8.96

$8.53

View

Min.: 2
Mult.: 2

ML91S

Tray

Ferrite Cores & Accessories 44 Multi Hole Plate 12.52x4.94x1.52MM

2644247001
Fair-Rite
1: $0.558
10,130In Stock

Mfr. Part No.
2644247001

Mouser Part No
623-2644247001

Fair-Rite

Ferrite Cores & Accessories 44 Multi Hole Plate 12.52x4.94x1.52MM

10,130In Stock

$0.558

$0.379

$0.33

$0.295

View

Min.: 1
Mult.: 1

Multi-Hole Cores

Multi-Hole Connector Plate

10 Pin

Bulk

Ferrite Cores & Accessories 95 EFD Core EFD10 Ind 610 nH 25% TOL

8995101021
Fair-Rite
1: $0.789
5,256In Stock

Mfr. Part No.
8995101021

Mouser Part No
623-8995101021

Fair-Rite

Ferrite Cores & Accessories 95 EFD Core EFD10 Ind 610 nH 25% TOL

Learn More

Product Comments

5,256In Stock

$0.789

$0.554

$0.479

$0.427

View

Min.: 1
Mult.: 1

Ferrite Cores

Ungapped

EFD Core

10.5 x 5.2 x 2.7

610 nH

25 %

Bulk

Ferrite Cores & Accessories 5670nH 25% MnZn PC47 60x44.35x15.6mm

PC47EI60-Z
TDK
1: $11.46
256In Stock
256Expected 31/8/2026

Mfr. Part No.
PC47EI60-Z

Mouser Part No
810-PC47EI60-Z

TDK

Ferrite Cores & Accessories 5670nH 25% MnZn PC47 60x44.35x15.6mm

Datasheet

256In Stock

256Expected 31/8/2026

$11.46

$8.15

$6.45

$6.07

$5.70

Min.: 1
Mult.: 1

Multi-Hole Cores

Ferrite Core for Switching Power Supplies

5.67 uH

Manganese Zinc

Tray

Ferrite Cores & Accessories R12.5/7.5/5 T65 toroid

B64290L0044X065
TDK
1: $0.816
4,228In Stock

Mfr. Part No.
B64290L0044X065

Mouser Part No
871-B64290L44X65

TDK

Ferrite Cores & Accessories R12.5/7.5/5 T65 toroid

Learn More

Datasheet

4,228In Stock

$0.816

$0.574

$0.495

$0.442

View

Reel

$0.284

Min.: 1
Mult.: 1

: 1,500

TX12.5/7.5/5

Toroids

Ungapped

T65

Ammo Pack

Ferrite Cores & Accessories E5-N87 '+30%-20%

B66303G0000X187
TDK
1: $1.39
13,661In Stock

Mfr. Part No.
B66303G0000X187

Mouser Part No
871-B66303G0000X187

TDK

Ferrite Cores & Accessories E5-N87 '+30%-20%

Learn More

Datasheet

13,661In Stock

$1.39

$0.967

$0.831

$0.737

View

Min.: 1
Mult.: 1

E5.3/2.7/2

Ferrite Cores

Ungapped

E Core

E 5

270 nH

- 20 %, + 30 %

Core

N87

Bulk

Ferrite Cores & Accessories EQ20/6.3/14 N49 2400 +25% -25%

B66483G0000X149
TDK
1: $3.97
900In Stock

Mfr. Part No.
B66483G0000X149

Mouser Part No
871-B66483GX149

TDK

Ferrite Cores & Accessories EQ20/6.3/14 N49 2400 +25% -25%

Learn More

Datasheet

900In Stock

$3.97

$2.73

$2.33

$2.05

View

Min.: 1
Mult.: 1

I23/2/13

Ferrite Cores

Ungapped

EQ Core

20 x 14 x 6.3

2.4 uH

25 %

EIQ 20 Core Set

N49

Bulk

Ferrite Cores & Accessories 44 Material 6 Hold 6x0.75x10MM

2644666611
Fair-Rite
1: $0.394
8,927In Stock

Mfr. Part No.
2644666611

Mouser Part No
623-2644666611

Fair-Rite

Ferrite Cores & Accessories 44 Material 6 Hold 6x0.75x10MM

8,927In Stock

$0.394

$0.275

$0.238

$0.214

View

Min.: 1
Mult.: 1

Multi-Hole Cores

Multi-Hole Connector Plate

6 Pin

Bulk

Ferrite Cores & Accessories 78 PlanarEI Core Set Ind 5400 nH 25% TOL

7878400321
Fair-Rite
1: $3.94
629In Stock

Mfr. Part No.
7878400321

Mouser Part No
623-7878400321

Fair-Rite

Ferrite Cores & Accessories 78 PlanarEI Core Set Ind 5400 nH 25% TOL

Learn More

Product Comments

629In Stock

$3.94

$2.73

$2.33

$2.05

View

Min.: 1
Mult.: 1

Ferrite Cores

Ungapped

EI Core

21.8 x 15.8 x 5.7

5.4 uH

25 %

Bulk

Ferrite Cores & Accessories 12.5/7.5/5 T35 TOROID

B64290L0044X035
TDK
1: $0.789
4,947In Stock

Mfr. Part No.
B64290L0044X035

Mouser Part No
871-B64290L0044X035

TDK

Ferrite Cores & Accessories 12.5/7.5/5 T35 TOROID

Learn More

Datasheet

4,947In Stock

$0.789

$0.552

$0.476

$0.424

View

Reel

$0.273

Min.: 1
Mult.: 1

: 1,500

TX12.5/7.5/5

Toroids

Ungapped

3.06 uH

T35

Ammo Pack

Ferrite Cores & Accessories EP13 N87 100 +3%-3% Sold as set

B65843A0100A087
TDK
1: $3.44
994In Stock

Mfr. Part No.
B65843A0100A087

Mouser Part No
871-B65843A0100A087

TDK

Ferrite Cores & Accessories EP13 N87 100 +3%-3% Sold as set

Learn More

Datasheet

994In Stock

$3.44

$2.38

$2.03

$1.78

View

Min.: 1
Mult.: 1

EP13

Ferrite Cores

Gapped

EP Core

EP 13

100 nH

3 %

N87

Bulk

Ferrite Cores & Accessories EP5-N87 +30%-20% Sold as set

B65855A0000R087
TDK
1: $2.15
4,267In Stock

Mfr. Part No.
B65855A0000R087

Mouser Part No
871-B65855A0000R087

TDK

Ferrite Cores & Accessories EP5-N87 +30%-20% Sold as set

Learn More

Datasheet

4,267In Stock

$2.15

$1.48

$1.29

$1.19

View

Min.: 1
Mult.: 1

EP5

Ferrite Cores

Ungapped

EP Core

EP 5

430 nH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories ETD44/22 15-N87-G1500

B66365G1500X187
TDK
1: $6.16
556In Stock

Mfr. Part No.
B66365G1500X187

Mouser Part No
871-B66365G1500X187

TDK

Ferrite Cores & Accessories ETD44/22 15-N87-G1500

Learn More

Datasheet

556In Stock

$6.16

$4.22

$3.56

$3.11

View

Min.: 1
Mult.: 1

ETD44/22/15

Ferrite Cores

Gapped

ETD Core

44 x 22 x 15

194 nH

N87

Bulk

Ferrite Cores & Accessories E80/38/20 N87LP 0.50MM

B66375G0500X187
TDK
1: $10.21
92In Stock

Mfr. Part No.
B66375G0500X187

Mouser Part No
871-B66375G0500X187

TDK

Ferrite Cores & Accessories E80/38/20 N87LP 0.50MM

Learn More

Datasheet

92In Stock

$10.21

$9.34

$8.19

Min.: 1
Mult.: 1

E80/38/20

Ferrite Cores

Gapped

E Core

80 x 38 x 20

882 nH

N87

Bulk

Ferrite Cores & Accessories ETD54/28 19-N87-G200

B66395G0200X187
TDK
1: $11.26
166In Stock

Mfr. Part No.
B66395G0200X187

Mouser Part No
871-B66395G200X187

TDK

Ferrite Cores & Accessories ETD54/28 19-N87-G200

Learn More

Datasheet

166In Stock

$11.26

$7.82

$6.26

$5.74

View

Min.: 1
Mult.: 1

ETD54/28/19

Ferrite Cores

Gapped

ETD Core

54 x 28 x 19

200 nH

N87

Bulk

Ferrite Cores & Accessories Housing d=26 mm Makrolon 9415

B64291A1204X000
TDK
1: $1.52
1,653In Stock

Mfr. Part No.
B64291A1204X000

Mouser Part No
871-B64291A1204X

TDK

Ferrite Cores & Accessories Housing d=26 mm Makrolon 9415

Learn More

Datasheet

1,653In Stock

$1.52

$1.06

$0.907

$0.805

View

Min.: 1
Mult.: 1

RCH26/16/H

Ungapped

9415

Bulk

Ferrite Cores & Accessories Housing d=30 mm Makrolon 9415

B64291A1304X000
TDK
1: $1.84
1,798In Stock

Mfr. Part No.
B64291A1304X000

Mouser Part No
871-B64291A1304X

TDK

Ferrite Cores & Accessories Housing d=30 mm Makrolon 9415

Learn More

Datasheet

1,798In Stock

$1.84

$1.67

$1.44

$1.33

View

Min.: 1
Mult.: 1

RCH30/19.7/H

Ungapped

9415

Bulk

Ferrite Cores & Accessories Housing d=30 mm Makrolon 9415

B64291A1404X000
TDK
1: $2.34
1,620In Stock

Mfr. Part No.
B64291A1404X000

Mouser Part No
871-B64291A1404X

TDK

Ferrite Cores & Accessories Housing d=30 mm Makrolon 9415

Learn More

Datasheet

1,620In Stock

$2.34

$1.62

$1.40

$1.29

View

Min.: 1
Mult.: 1

RCH30/25/H

Ungapped

9415

Bulk

Ferrite Cores & Accessories R34/20.5/10 N87 toroid

B64290L0058X087
TDK
1: $6.64
81In Stock

Mfr. Part No.
B64290L0058X087

Mouser Part No
871-B64290L0058X087

TDK

Ferrite Cores & Accessories R34/20.5/10 N87 toroid

Datasheet

81In Stock

$6.64

$4.54

$3.86

$3.47

View

Min.: 1
Mult.: 1

TX34/20.5/10

Tray

Ferrite Cores & Accessories 78 E Core E55/21 Ind 6500 nH 25% TOL

9478116002
Fair-Rite
1: $15.40
121In Stock

Mfr. Part No.
9478116002

Mouser Part No
623-9478116002

Fair-Rite

Ferrite Cores & Accessories 78 E Core E55/21 Ind 6500 nH 25% TOL

Learn More

Product Comments

121In Stock

$15.40

$11.19

$8.96

$8.53

$8.04

Min.: 1
Mult.: 1

Ferrite Cores

Ungapped

E Core

55.15 x 27.5 x 20.6

6.3 uH

25 %

Bulk

Ferrite Cores & Accessories 78 ER Core Set ER9.5 PLANAR

9578100502
Fair-Rite
1: $0.612
4,374In Stock

Mfr. Part No.
9578100502

Mouser Part No
623-9578100502

Fair-Rite

Ferrite Cores & Accessories 78 ER Core Set ER9.5 PLANAR

Learn More

Product Comments

4,374In Stock

$0.612

$0.605

$0.60

$0.598

View

Min.: 1
Mult.: 1

Ferrite Cores

ER Core

ER 9.5

900 nH

25 %

Bulk

Ferrite Cores & Accessories 98 ER Core Set Ind 900 nH 25% TOL

9598100502
Fair-Rite
1: $0.816
3,910In Stock

Mfr. Part No.
9598100502

Mouser Part No
623-9598100502

Fair-Rite

Ferrite Cores & Accessories 98 ER Core Set Ind 900 nH 25% TOL

Learn More

Product Comments

3,910In Stock

$0.816

$0.661

$0.608

$0.577

View

Min.: 1
Mult.: 1

Ferrite Cores

Ungapped

ER Core

9.35 x 2.45 x 4.9

900 nH

25 %

Bulk

Ferrite Cores & Accessories 38.1mH 28.3x12.7x17.5mm AEC-Q200

LRF251515MKCX
Chemi-Con
1: $18.88
208In Stock

Mfr. Part No.
LRF251515MKCX

Mouser Part No
661-LRF251515MKCX

Chemi-Con

Ferrite Cores & Accessories 38.1mH 28.3x12.7x17.5mm AEC-Q200

Learn More

Datasheet

208In Stock

$18.88

$15.53

$13.95

$13.37

View

Min.: 1
Mult.: 1

FL-V

Ferrite Cores

Ring Core

28.3 mm x 17.5 mm

Bulk

Ferrite Cores & Accessories 25.3X14.8X20 T35 TOROID

B64290L0616X035
TDK
1: $7.92
300In Stock

Mfr. Part No.
B64290L0616X035

Mouser Part No
871-B64290L0616X035

TDK

Ferrite Cores & Accessories 25.3X14.8X20 T35 TOROID

Learn More

Datasheet

300In Stock

$7.92

$5.48

$4.39

$4.03

View

Min.: 1
Mult.: 1

TX25.3/14.8/20

Toroids

Ungapped

10.7 uH

T35

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