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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: 3,246

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Part #

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

B66291G1000X187
TDK
1: $6.66
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

$6.66

$4.57

$3.88

$3.40

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: $3.52
441In 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

441In Stock

$3.52

$2.43

$2.08

$1.84

View

Min.: 1
Mult.: 1

ELP22/6/16

Tray

Ferrite Cores & Accessories Med Freq Transformer Core Nano 50x40x20

FT-3TL F5040GS
Proterial
1: $64.67
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

$64.67

$52.63

$47.30

Min.: 1
Mult.: 1

FT-3TL F

Transformer Cores

Toroidal

Tray

Ferrite Cores & Accessories 95 TOROID

5995001101
Fair-Rite
1: $1.26
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

$1.26

$1.03

$0.955

$0.903

View

Min.: 1
Mult.: 1

Bulk

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

B65807J0000R049
TDK
1: $3.59
12,050In 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

12,050In Stock

$3.59

$2.68

$2.37

$2.15

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: $1.14
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

$1.14

$0.93

$0.864

$0.789

View

Min.: 1
Mult.: 1

Bulk

Ferrite Cores & Accessories 80 TOROID

5980001101
Fair-Rite
1: $1.21
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

$1.21

$0.981

$0.906

$0.861

View

Min.: 1
Mult.: 1

Bulk

Ferrite Cores & Accessories 78 Rod 9.5/70-78

4078377511
Fair-Rite
1: $4.24
70,197In Stock

Mfr. Part No.
4078377511

Mouser Part No
623-4078377511

Fair-Rite

Ferrite Cores & Accessories 78 Rod 9.5/70-78

Learn More

70,197In Stock

Cut Tape

$4.24

$2.92

$2.49

$2.08

$1.89

Reel

$1.51

Min.: 1
Mult.: 1

: 282

Rods

Solid Rod

Reel, Cut Tape

Ferrite Cores & Accessories 50X30X20 N27 TOROID

B64290L0082X027
TDK
1: $20.17
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

$20.17

$14.59

$11.72

$11.37

$9.89

Min.: 1
Mult.: 1

TX50/30/20

Toroids

Ungapped

N27

Bulk

Ferrite Cores & Accessories 41x82x35 FINEMET Cut Core

F3CC0040
Proterial
1: $349.78
14In Stock

Mfr. Part No.
F3CC0040

Mouser Part No
205-F3CC0040

Proterial

Ferrite Cores & Accessories 41x82x35 FINEMET Cut Core

Datasheet

14In Stock

$349.78

$321.95

Min.: 1
Mult.: 1

F3CC

Ferrite Cores

Cut Core

Finemet

Ferrite Cores & Accessories 70X14.5

B65945A0000X022
TDK
1: $55.69
141In Stock
80Expected 30/11/2026

Mfr. Part No.
B65945A0000X022

Mouser Part No
871-B65945A0000X022

TDK

Ferrite Cores & Accessories 70X14.5

Learn More

Datasheet

141In Stock

80Expected 30/11/2026

$55.69

$40.24

$38.22

Min.: 1
Mult.: 1

PCH70/14.5

Ferrite Cores

Ungapped

P Core Half

P 70 x 14.5

N22

Bulk

Ferrite Cores & Accessories 63x121x50 Amorphous Cut Core

AMCC0200
Proterial
1: $110.72
73In Stock

Mfr. Part No.
AMCC0200

Mouser Part No
205-AMCC0200

Proterial

Ferrite Cores & Accessories 63x121x50 Amorphous Cut Core

Learn More

Datasheet

73In Stock

$110.72

$92.55

Min.: 1
Mult.: 1

AMCC

Ferrite Cores

Amorphous Core

Metglas Alloy

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

B65805N0125G048
TDK
1: $5.15
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

$5.15

$3.54

$2.99

$2.62

View

Min.: 1
Mult.: 1

RM5

Ferrite Cores

Gapped

RM Core

RM 5

125 nH

2 %

N48

Blister Pack

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

B65807P0000R087
TDK
1: $4.64
2,491In 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

2,491In Stock

$4.64

$3.21

$2.75

$2.42

View

Min.: 1
Mult.: 1

RM6

Ferrite Cores

Ungapped

RM LP Core

RM 6

3 uH

- 20 %, + 30 %

N87

Blister Pack

Ferrite Cores & Accessories 95 TOROID

5995001801
Fair-Rite
1: $2.12
1,162In Stock

Mfr. Part No.
5995001801

Mouser Part No
623-5995001801

Fair-Rite

Ferrite Cores & Accessories 95 TOROID

Learn More

Datasheet

1,162In Stock

$2.12

$1.73

$1.60

$1.35

View

Min.: 1
Mult.: 1

Tray

Ferrite Cores & Accessories 63x121x35 FINEMET Cut Core

F3CC0125
Proterial
1: $607.81
8In Stock

Mfr. Part No.
F3CC0125

Mouser Part No
205-F3CC0125

Proterial

Ferrite Cores & Accessories 63x121x35 FINEMET Cut Core

Datasheet

8In Stock

$607.81

$559.46

Min.: 1
Mult.: 1

F3CC

Ferrite Cores

Cut Core

Finemet

Ferrite Cores & Accessories 61 ROD 30mm 4mm

3061990881
Fair-Rite
1: $1.60
7,286In Stock

Mfr. Part No.
3061990881

Mouser Part No
623-3061990881

Fair-Rite

Ferrite Cores & Accessories 61 ROD 30mm 4mm

Learn More

7,286In Stock

$1.60

$1.10

$0.952

$0.802

View

Min.: 1
Mult.: 1

Rods

Solid Rod

Bulk

Ferrite Cores & Accessories 61 Rod 5/35-61

3061990891
Fair-Rite
1: $2.54
2,493In Stock

Mfr. Part No.
3061990891

Mouser Part No
623-3061990891

Fair-Rite

Ferrite Cores & Accessories 61 Rod 5/35-61

Datasheet

2,493In Stock

$2.54

$1.75

$1.40

$1.03

View

Min.: 1
Mult.: 1

Rods

Solid Rod

Bulk

Ferrite Cores & Accessories R9.53/4.75/3.17 N30 toroid

B64290L0062X830
TDK
1: $1.20
6,989In Stock

Mfr. Part No.
B64290L0062X830

Mouser Part No
871-B64290L62X830

TDK

Ferrite Cores & Accessories R9.53/4.75/3.17 N30 toroid

Learn More

Datasheet

6,989In Stock

$1.20

$0.832

$0.715

$0.635

View

Reel

$0.356

Min.: 1
Mult.: 1

: 2,000

TX9.5/4.8/3.2

Ungapped

N30

Ammo Pack

Ferrite Cores & Accessories 6.3X3.8X2.5N30 TOROID

B64290P37X830
TDK
1: $0.68
9,477In Stock

Mfr. Part No.
B64290P37X830

Mouser Part No
871-B64290P37X830

TDK

Ferrite Cores & Accessories 6.3X3.8X2.5N30 TOROID

Learn More

Datasheet

9,477In Stock

$0.68

$0.473

$0.409

$0.364

View

Min.: 1
Mult.: 1

B64290P

Toroids

Ungapped

1.09 uH

N30

Bulk

Ferrite Cores & Accessories ER14.5/3/7 N87 100 +3% -3% Sold as set

B65513J0100A087
TDK
1: $2.91
2,676In Stock

Mfr. Part No.
B65513J0100A087

Mouser Part No
871-B65513J100A87

TDK

Ferrite Cores & Accessories ER14.5/3/7 N87 100 +3% -3% Sold as set

Learn More

Datasheet

2,676In Stock

$2.91

$2.01

$1.73

$1.52

View

Min.: 1
Mult.: 1

ER14.5

Ferrite Cores

Gapped

ER Core

14.5 x 6

100 nH

3 %

N87

Bulk

Ferrite Cores & Accessories ER11/5-N49 +30%-20% Sold as set

B65525J0000R049
TDK
1: $3.17
7,122In Stock

Mfr. Part No.
B65525J0000R049

Mouser Part No
871-B65525J0000R049

TDK

Ferrite Cores & Accessories ER11/5-N49 +30%-20% Sold as set

Learn More

Datasheet

7,122In Stock

$3.17

$2.19

$1.88

$1.66

View

Min.: 1
Mult.: 1

ER11/5

Ferrite Cores

Ungapped

ER Core

11 x 5

800 nH

- 20 %, + 30 %

N49

Bulk

Ferrite Cores & Accessories P 18X11 N305 900 +30%-20% Sold as set

B65651W0000R030
TDK
1: $6.16
1,606In Stock

Mfr. Part No.
B65651W0000R030

Mouser Part No
871-B65651W0000R030

TDK

Ferrite Cores & Accessories P 18X11 N305 900 +30%-20% Sold as set

Learn More

Datasheet

1,606In Stock

$6.16

$4.27

$3.62

$3.17

View

Min.: 1
Mult.: 1

P18/11

Ferrite Cores

Ungapped

P Core

P 18 x 11

5.9 uH

- 20 %, + 30 %

N30

Bulk

Ferrite Cores & Accessories P 18X11 T3812600 +40%-30% Sold as set

B65651W0000Y038
TDK
1: $6.90
1,236In Stock

Mfr. Part No.
B65651W0000Y038

Mouser Part No
871-B65651W0000Y038

TDK

Ferrite Cores & Accessories P 18X11 T3812600 +40%-30% Sold as set

Learn More

Datasheet

1,236In Stock

$6.90

$4.71

$3.97

$3.47

View

Min.: 1
Mult.: 1

P18/11

Ferrite Cores

Ungapped

P Core

P 18 x 11

12.6 uH

- 30 %, + 40 %

T38

Bulk

Ferrite Cores & Accessories RM6 N87 250 +3%-3% Sold as set

B65807J0250A087
TDK
1: $4.24
1,031In Stock

Mfr. Part No.
B65807J0250A087

Mouser Part No
871-B65807J0250A087

TDK

Ferrite Cores & Accessories RM6 N87 250 +3%-3% Sold as set

Learn More

Datasheet

1,031In Stock

$4.24

$2.92

$2.49

$2.19

View

Min.: 1
Mult.: 1

RM6

Ferrite Cores

Gapped

RM Core

RM 6

250 nH

3 %

N87

Blister Pack

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