.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: 3,246

Applied Filters:

Manufacturer

Series

Product

Type

Core

Core Size

Inductance

Tolerance

Accessory Type

Number of Pins

Core Material

Termination Style

Qualification

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 Med Freq Transformer Core Nano 50x40x20

FT-3TL F5040GS
Proterial
1: $47.55
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

$47.55

$38.70

$34.78

Min.: 1
Mult.: 1

FT-3TL F

Transformer Cores

Toroidal

Tray

Ferrite Cores & Accessories 79 TOROID

5979001101
Fair-Rite
1: $0.84
4,093In Stock

Mfr. Part #
5979001101

Mouser Part #
623-5979001101

Fair-Rite

Ferrite Cores & Accessories 79 TOROID

Learn More

Datasheet

4,093In Stock

$0.84

$0.684

$0.635

$0.58

View

Min.: 1
Mult.: 1

Bulk

Ferrite Cores & Accessories 80 TOROID

5980001101
Fair-Rite
1: $0.89
4,230In Stock

Mfr. Part #
5980001101

Mouser Part #
623-5980001101

Fair-Rite

Ferrite Cores & Accessories 80 TOROID

Learn More

Datasheet

4,230In Stock

$0.89

$0.721

$0.666

$0.633

View

Min.: 1
Mult.: 1

Bulk

Ferrite Cores & Accessories 95 TOROID

5995001101
Fair-Rite
1: $0.93
4,775In Stock

Mfr. Part #
5995001101

Mouser Part #
623-5995001101

Fair-Rite

Ferrite Cores & Accessories 95 TOROID

Learn More

Datasheet

4,775In Stock

$0.93

$0.758

$0.702

$0.664

View

Min.: 1
Mult.: 1

Bulk

Ferrite Cores & Accessories 78 Rod 9.5/70-78

4078377511
Fair-Rite
1: $3.12
70,183In Stock

Mfr. Part #
4078377511

Mouser Part #
623-4078377511

Fair-Rite

Ferrite Cores & Accessories 78 Rod 9.5/70-78

Learn More

70,183In Stock

Cut Tape

$3.12

$2.15

$1.83

$1.56

Reel

$1.12

View

Min.: 1
Mult.: 1

: 282

Rods

Solid Rod

Reel, Cut Tape

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

B65807J0000R049
TDK
1: $2.37
12,049In Stock

Mfr. Part #
B65807J0000R049

Mouser Part #
871-B65807J0000R049

TDK

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

Learn More

Datasheet

12,049In Stock

$2.37

$1.84

$1.66

$1.54

View

Min.: 1
Mult.: 1

RM6

Ferrite Cores

Ungapped

RM Core

RM 6

1.7 uH

- 20 %, + 30 %

N49

Blister Pack

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

B66291G1000X187
TDK
1: $4.90
423In 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

423In Stock

$4.90

$3.36

$2.85

$2.50

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: $2.59
414In 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

414In Stock

$2.59

$1.79

$1.53

$1.35

View

Min.: 1
Mult.: 1

ELP22/6/16

Tray

Ferrite Cores & Accessories 1550n 25% Mn-Zn PC95 Ferrite Core

PC95EI14/5/5-Z
TDK
1: $1.55
3,124In Stock

Mfr. Part #
PC95EI14/5/5-Z

Mouser Part #
810-PC95EI14/5/5-Z

TDK

Ferrite Cores & Accessories 1550n 25% Mn-Zn PC95 Ferrite Core

Learn More

Datasheet

3,124In Stock

$1.55

$1.07

$0.914

$0.82

View

Min.: 1
Mult.: 1

Planar

Ferrite Bead Cores

Tray

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

B65805N0125G048
TDK
1: $3.79
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

$3.79

$2.60

$2.20

$1.93

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: $14.83
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

$14.83

$10.73

$8.62

$8.36

$7.27

Min.: 1
Mult.: 1

TX50/30/20

Toroids

Ungapped

N27

Bulk

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

B65807P0000R087
TDK
1: $3.41
2,491In Stock

Mfr. Part #
B65807P0000R087

Mouser Part #
871-B65807P0000R087

TDK

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

Learn More

Datasheet

2,491In Stock

$3.41

$2.36

$2.02

$1.78

View

Min.: 1
Mult.: 1

RM6

Ferrite Cores

Ungapped

RM LP Core

RM 6

3 uH

- 20 %, + 30 %

N87

Blister Pack

Ferrite Cores & Accessories 63x121x50 Amorphous Cut Core

AMCC0200
Proterial
1: $81.41
73In Stock

Mfr. Part #
AMCC0200

Mouser Part #
205-AMCC0200

Proterial

Ferrite Cores & Accessories 63x121x50 Amorphous Cut Core

Learn More

Datasheet

73In Stock

$81.41

$68.05

Min.: 1
Mult.: 1

AMCC

Ferrite Cores

Amorphous Core

Metglas Alloy

Ferrite Cores & Accessories 63x121x35 FINEMET Cut Core

F3CC0125
Proterial
1: $446.92
8In Stock

Mfr. Part #
F3CC0125

Mouser Part #
205-F3CC0125

Proterial

Ferrite Cores & Accessories 63x121x35 FINEMET Cut Core

Datasheet

8In Stock

$446.92

$411.37

Min.: 1
Mult.: 1

F3CC

Ferrite Cores

Cut Core

Finemet

Ferrite Cores & Accessories 41x82x35 FINEMET Cut Core

F3CC0040
Proterial
1: $257.19
14In Stock

Mfr. Part #
F3CC0040

Mouser Part #
205-F3CC0040

Proterial

Ferrite Cores & Accessories 41x82x35 FINEMET Cut Core

Datasheet

14In Stock

$257.19

$236.73

Min.: 1
Mult.: 1

F3CC

Ferrite Cores

Cut Core

Finemet

Ferrite Cores & Accessories 70X14.5

B65945A0000X022
TDK
1: $40.95
141In Stock
80Expected 11/30/2026

Mfr. Part #
B65945A0000X022

Mouser Part #
871-B65945A0000X022

TDK

Ferrite Cores & Accessories 70X14.5

Learn More

Datasheet

141In Stock

80Expected 11/30/2026

$40.95

$29.59

$28.11

Min.: 1
Mult.: 1

PCH70/14.5

Ferrite Cores

Ungapped

P Core Half

P 70 x 14.5

N22

Bulk

Ferrite Cores & Accessories 95 TOROID

5995000201
Fair-Rite
1: $0.45
11,992In Stock

Mfr. Part #
5995000201

Mouser Part #
623-5995000201

Fair-Rite

Ferrite Cores & Accessories 95 TOROID

Learn More

Datasheet

11,992In Stock

$0.45

$0.341

$0.307

$0.283

View

Min.: 1
Mult.: 1

Bulk

Ferrite Cores & Accessories 95 TOROID

5995000301
Fair-Rite
1: $0.88
4,770In Stock

Mfr. Part #
5995000301

Mouser Part #
623-5995000301

Fair-Rite

Ferrite Cores & Accessories 95 TOROID

Learn More

Datasheet

4,770In Stock

$0.88

$0.715

$0.664

$0.627

View

Min.: 1
Mult.: 1

Bulk

Ferrite Cores & Accessories 61 Rod 6.35x25.40MM

4061276011
Fair-Rite
1: $1.27
3,355In Stock

Mfr. Part #
4061276011

Mouser Part #
623-4061276011

Fair-Rite

Ferrite Cores & Accessories 61 Rod 6.35x25.40MM

Learn More

3,355In Stock

Cut Tape

$1.27

$0.873

$0.753

$0.694

View

Reel

$0.42

Min.: 1
Mult.: 1

: 2,632

Rods

Solid Rod

Reel, Cut Tape

Ferrite Cores & Accessories 43 Bobbin Ground For HF designs

9643001165
Fair-Rite
1: $1.12
5,126In Stock

Mfr. Part #
9643001165

Mouser Part #
623-9643001165

Fair-Rite

Ferrite Cores & Accessories 43 Bobbin Ground For HF designs

Learn More

5,126In Stock

$1.12

$0.776

$0.667

$0.593

View

Min.: 1
Mult.: 1

Hardware & Accessories

Coil Former (Bobbins)

17.5 nH

10 %

Bulk

Ferrite Cores & Accessories 2800n 25% Mn-Zn PC95 Ferrite Core

PC95EIR14/4.5/9-Z
TDK
1: $1.97
1,860In Stock

Mfr. Part #
PC95EIR14/4.5/9-Z

Mouser Part #
810-PC95EIR14/4.5/9Z

TDK

Ferrite Cores & Accessories 2800n 25% Mn-Zn PC95 Ferrite Core

Learn More

Datasheet

1,860In Stock

$1.97

$1.36

$1.17

$1.03

View

Min.: 1
Mult.: 1

Planar

Ferrite Bead Cores

Tray

Ferrite Cores & Accessories 7070n 25% Mn-Zn PC95 Ferrite Core

PC95PQI20/9Z-12
TDK
1: $3.06
1,534In Stock

Mfr. Part #
PC95PQI20/9Z-12

Mouser Part #
810-PC95PQI20/9Z-12

TDK

Ferrite Cores & Accessories 7070n 25% Mn-Zn PC95 Ferrite Core

Learn More

Datasheet

1,534In Stock

$3.06

$2.11

$1.79

$1.58

View

Min.: 1
Mult.: 1

Planar

Ferrite Bead Cores

Tray

Ferrite Cores & Accessories 20X10X7 T38 TOROID

B64290L0632X038
TDK
1: $1.79
11,195In Stock

Mfr. Part #
B64290L0632X038

Mouser Part #
871-B64290L0632X038

TDK

Ferrite Cores & Accessories 20X10X7 T38 TOROID

Learn More

Datasheet

11,195In Stock

$1.79

$1.25

$1.07

$0.939

View

Reel

$0.653

Min.: 1
Mult.: 1

: 1,000

TX20/10/7

Toroids

Ungapped

9.74 uH

T38

Ammo Pack

Ferrite Cores & Accessories 22.1X13.7X7.9 N87 TOROID

B64290L0719X087
TDK
1: $1.90
4,080In Stock

Mfr. Part #
B64290L0719X087

Mouser Part #
871-B64290L0719X087

TDK

Ferrite Cores & Accessories 22.1X13.7X7.9 N87 TOROID

Learn More

Datasheet

4,080In Stock

$1.90

$1.32

$1.13

$0.995

View

Reel

$0.70

Min.: 1
Mult.: 1

: 750

TX22/14/7.9

Toroids

Ungapped

1.66 uH

N87

Ammo Pack

Ferrite Cores & Accessories 6.3 X 3.8 X 2.5 TOROID

B64290P0037X001
TDK
1: $1.48
2,958In Stock

Mfr. Part #
B64290P0037X001

Mouser Part #
871-B64290P0037X001

TDK

Ferrite Cores & Accessories 6.3 X 3.8 X 2.5 TOROID

Learn More

Datasheet

2,958In Stock

$1.48

$1.03

$0.883

$0.781

View

Min.: 1
Mult.: 1

TC6.3/3.8/2.5

Toroids

Ungapped

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