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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 TOROID16X9,6X6,3N30

B64290L45X830
TDK
1: $1.39
13,944In Stock
12,000Expected 28/8/2026

Mfr. Part No.
B64290L45X830

Mouser Part No
871-B64290L45X830

TDK

Ferrite Cores & Accessories TOROID16X9,6X6,3N30

Learn More

Datasheet

13,944In Stock

12,000Expected 28/8/2026

$1.39

$0.966

$0.774

$0.714

View

Min.: 1
Mult.: 1

B64290L

Toroids

Ungapped

2.77 uH

N30

Bulk

Ferrite Cores & Accessories TOROID 16X9.6X6.3 N87

B64290L45X87
TDK
1: $1.20
5,702In Stock
24,000On Order

Mfr. Part No.
B64290L45X87

Mouser Part No
871-B64290L45X87

TDK

Ferrite Cores & Accessories TOROID 16X9.6X6.3 N87

Learn More

Datasheet

5,702In Stock

24,000On Order

$1.20

$0.877

$0.755

$0.684

View

Min.: 1
Mult.: 1

B64290L

Toroids

Ungapped

1.42 uH

N87

Bulk

Ferrite Cores & Accessories TOROID 25.3X14.8X10 T35

B64290L618X35
TDK
1: $3.56
4,204In Stock

Mfr. Part No.
B64290L618X35

Mouser Part No
871-B64290L618X35

TDK

Ferrite Cores & Accessories TOROID 25.3X14.8X10 T35

Learn More

Datasheet

4,204In Stock

$3.56

$2.46

$2.11

$1.85

View

Min.: 1
Mult.: 1

B64290L

Toroids

Ungapped

5.4 uH

T35

Bulk

Ferrite Cores & Accessories TOROID 25.3X14.8X10 T38

B64290L618X38
TDK
1: $4.84
1,412In Stock
1,000Expected 9/11/2026

Mfr. Part No.
B64290L618X38

Mouser Part No
871-B64290L618X38

TDK

Ferrite Cores & Accessories TOROID 25.3X14.8X10 T38

Learn More

Datasheet

1,412In Stock

1,000Expected 9/11/2026

$4.84

$3.32

$2.82

$2.48

View

Min.: 1
Mult.: 1

B64290L

Toroids

Ungapped

10.7 uH

T38

Bulk

Ferrite Cores & Accessories TOROID 25.3X14.8X10 N30

B64290L618X830
TDK
1: $3.06
3,353In Stock

Mfr. Part No.
B64290L618X830

Mouser Part No
871-B64290L618X830

TDK

Ferrite Cores & Accessories TOROID 25.3X14.8X10 N30

Learn More

Datasheet

3,353In Stock

$3.06

$1.78

$1.58

$1.43

View

Min.: 1
Mult.: 1

B64290L

Toroids

Ungapped

4.62 uH

N30

Bulk

Ferrite Cores & Accessories TOROID20X10X7T35

B64290L0632X035
TDK
1: $3.58
5,488In Stock

Mfr. Part No.
B64290L0632X035

Mouser Part No
871-B64290L632X35

TDK

Ferrite Cores & Accessories TOROID20X10X7T35

Learn More

Datasheet

5,488In Stock

$3.58

$2.48

$2.11

$1.86

View

Reel

$1.25

Min.: 1
Mult.: 1

: 1,000

TX20/10/7

Toroids

Ungapped

5 uH

T35

Ammo Pack

Ferrite Cores & Accessories TOROID 20X10X7 N30

B64290L632X830
TDK
1: $2.45
3,646In Stock

Mfr. Part No.
B64290L632X830

Mouser Part No
871-B64290L632X830

TDK

Ferrite Cores & Accessories TOROID 20X10X7 N30

Learn More

Datasheet

3,646In Stock

$2.45

$1.70

$1.46

$1.30

View

Min.: 1
Mult.: 1

B64290L

Toroids

Ungapped

4.16 uH

N30

Bulk

Ferrite Cores & Accessories TOROID 40X24X16 N30

B64290L659X830
TDK
1: $12.29
686In Stock

Mfr. Part No.
B64290L659X830

Mouser Part No
871-B64290L659X830

TDK

Ferrite Cores & Accessories TOROID 40X24X16 N30

Learn More

Datasheet

686In Stock

$12.29

$8.70

$6.91

$5.70

View

Min.: 1
Mult.: 1

B64290L

Toroids

Ungapped

7 uH

N30

Bulk

Ferrite Cores & Accessories TOROID 36X23X15 N30

B64290L674X830
TDK
1: $8.98
1,195In Stock
4,000On Order

Mfr. Part No.
B64290L674X830

Mouser Part No
871-B64290L674X830

TDK

Ferrite Cores & Accessories TOROID 36X23X15 N30

Learn More

Datasheet

1,195In Stock

4,000On Order

$8.98

$6.23

$4.99

$4.90

View

Min.: 1
Mult.: 1

B64290L

Toroids

Ungapped

5.75 uH

N30

Bulk

Ferrite Cores & Accessories R63/38/25 N87 toroid

B64290L699X87
TDK
1: $33.42
575In Stock

Mfr. Part No.
B64290L699X87

Mouser Part No
871-B64290L699X87

TDK

Ferrite Cores & Accessories R63/38/25 N87 toroid

Learn More

Datasheet

575In Stock

$33.42

$23.32

$19.73

Min.: 1
Mult.: 1

B64290L

Toroids

Ungapped

5 uH

N87

Bulk

Ferrite Cores & Accessories R22.1/13.7/7.9 N49 toroid

B64290L0719X049
TDK
1: $3.52
2,234In Stock
3,000Expected 8/3/2027

Mfr. Part No.
B64290L0719X049

Mouser Part No
871-B64290L719X49

TDK

Ferrite Cores & Accessories R22.1/13.7/7.9 N49 toroid

Learn More

Datasheet

2,234In Stock

3,000Expected 8/3/2027

$3.52

$2.43

$2.08

$1.84

View

Reel

$1.23

Min.: 1
Mult.: 1

: 750

TX22/14/7.9

Ungapped

N49

Ammo Pack

Ferrite Cores & Accessories TOROID 50X30X20 N30

B64290L82X830
TDK
1: $18.41
1,108In Stock
1,200Expected 15/9/2026

Mfr. Part No.
B64290L82X830

Mouser Part No
871-B64290L82X830

TDK

Ferrite Cores & Accessories TOROID 50X30X20 N30

Learn More

Datasheet

1,108In Stock

1,200Expected 15/9/2026

$18.41

$12.28

$10.47

$10.46

Quote

Min.: 1
Mult.: 1

B64290L

Toroids

Ungapped

8.7 uH

N30

Bulk

Ferrite Cores & Accessories TOROID 50X30X20 N87

B64290L82X87
TDK
1: $16.76
288In Stock

Mfr. Part No.
B64290L82X87

Mouser Part No
871-B64290L82X87

TDK

Ferrite Cores & Accessories TOROID 50X30X20 N87

Learn More

Datasheet

288In Stock

$16.76

$11.21

$10.39

$10.19

$8.77

Min.: 1
Mult.: 1

B64290L

Toroids

Ungapped

4.46 uH

N87

Bulk

Ferrite Cores & Accessories 6.3X3.8X2.5 N49 TOROID

B64290P0037X049
TDK
1: $1.62
27,346In Stock

Mfr. Part No.
B64290P0037X049

Mouser Part No
871-B64290P0037X049

TDK

Ferrite Cores & Accessories 6.3X3.8X2.5 N49 TOROID

Learn More

Datasheet

27,346In Stock

$1.62

$1.12

$0.959

$0.851

View

Min.: 1
Mult.: 1

TC6.3/3.8/2.5

Toroids

Ungapped

330 nH

N49

Bulk

Ferrite Cores & Accessories CFL-P7/4-1S VALOX 420 SEO

B65512C0000T001
TDK
1: $0.857
4,092In Stock

Mfr. Part No.
B65512C0000T001

Mouser Part No
871-B65512C0000T001

TDK

Ferrite Cores & Accessories CFL-P7/4-1S VALOX 420 SEO

Learn More

Datasheet

4,092In Stock

$0.857

$0.781

$0.751

$0.729

View

Min.: 1
Mult.: 1

P7/4

Hardware & Accessories

Ungapped

P Core

7 x 4

Coil Former with Positioning Lug

Bulk

Ferrite Cores & Accessories P9X5 N48 250 + 3%-3% Sold as set

B65517D0250J048
TDK
1: $4.12
2,347In Stock

Mfr. Part No.
B65517D0250J048

Mouser Part No
871-B65517D0250J048

TDK

Ferrite Cores & Accessories P9X5 N48 250 + 3%-3% Sold as set

Learn More

Datasheet

2,347In Stock

$4.12

$2.84

$2.42

$2.14

View

Min.: 1
Mult.: 1

P9/5

Ferrite Cores

Gapped

P Core

9 x 5

250 nH

5 %

N48

Bulk

Ferrite Cores & Accessories ER9.5-N87 +30%-20% Sold as set

B65523J0000R087
TDK
1: $1.85
6,792In Stock

Mfr. Part No.
B65523J0000R087

Mouser Part No
871-B65523J0000R087

TDK

Ferrite Cores & Accessories ER9.5-N87 +30%-20% Sold as set

Learn More

Datasheet

6,792In Stock

$1.85

$1.28

$1.10

$1.01

View

Min.: 1
Mult.: 1

ER9.5

Ferrite Cores

Ungapped

ER Core

9.5 x 5

800 nH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories ER11/5-N87 Sold as set

B65525J0000R087
TDK
1: $2.45
11,952In Stock
20,000Expected 14/9/2026

Mfr. Part No.
B65525J0000R087

Mouser Part No
871-B65525J0000R087

TDK

Ferrite Cores & Accessories ER11/5-N87 Sold as set

Learn More

Datasheet

11,952In Stock

20,000Expected 14/9/2026

$2.45

$1.70

$1.46

$1.30

View

Min.: 1
Mult.: 1

ER11/5

Ferrite Cores

Ungapped

ER Core

11 x 5

1.2 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories CLI-ER11/5

B65526A2000X
TDK
1: $0.598
7,754In Stock

Mfr. Part No.
B65526A2000X

Mouser Part No
871-B65526A2000X

TDK

Ferrite Cores & Accessories CLI-ER11/5

Learn More

Datasheet

7,754In Stock

$0.598

$0.544

$0.525

$0.509

View

Min.: 1
Mult.: 1

B65526A

Hardware & Accessories

Ungapped

ER Core

11 x 5

Bulk

Ferrite Cores & Accessories CF-ER11/5-VSG-1S-10P

B65526B1010T1
TDK
1: $2.19
8,965In Stock

Mfr. Part No.
B65526B1010T1

Mouser Part No
871-B65526B1010T1

TDK

Ferrite Cores & Accessories CF-ER11/5-VSG-1S-10P

Learn More

Datasheet

8,965In Stock

$2.19

$1.99

$1.90

$1.85

View

Min.: 1
Mult.: 1

B65526B

Hardware & Accessories

Ungapped

ER Core

11 x 5

Coil Former with Gull Wing Terminals

10 Pin

Gullwing

Tray

Ferrite Cores & Accessories P11/7-N48 +30% -20% Sold as set

B65531D0000R048
TDK
1: $4.28
2,991In Stock

Mfr. Part No.
B65531D0000R048

Mouser Part No
871-B65531D0000R048

TDK

Ferrite Cores & Accessories P11/7-N48 +30% -20% Sold as set

Learn More

Datasheet

2,991In Stock

$4.28

$2.95

$2.52

$2.22

View

Min.: 1
Mult.: 1

P11/7

Ferrite Cores

Ungapped

P Core

11 x 7

1.8 uH

- 20 %, + 30 %

N48

Bulk

Ferrite Cores & Accessories P 11X7 N48 250 +3% -3% Sold as set

B65531D0250A048
TDK
1: $4.53
5,253In Stock

Mfr. Part No.
B65531D0250A048

Mouser Part No
871-B65531D0250A048

TDK

Ferrite Cores & Accessories P 11X7 N48 250 +3% -3% Sold as set

Learn More

Datasheet

5,253In Stock

$4.53

$3.13

$2.65

$2.34

View

Min.: 1
Mult.: 1

P11/7

Ferrite Cores

Gapped

P Core

11 x 7

250 nH

3 %

N48

Bulk

Ferrite Cores & Accessories P 11X7 N87 2000 +30% -20% Sold as set

B65531W0000R087
TDK
1: $3.17
3,382In Stock

Mfr. Part No.
B65531W0000R087

Mouser Part No
871-B65531W0000R087

TDK

Ferrite Cores & Accessories P 11X7 N87 2000 +30% -20% Sold as set

Learn More

Datasheet

3,382In Stock

$3.17

$2.19

$1.86

$1.65

View

Min.: 1
Mult.: 1

P11/7

Ferrite Cores

Ungapped

P Core

11 x 7

2 uH

- 20 %, + 30 %

N87

Bulk

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

B65532B0000T001
TDK
1: $0.449
8,130In Stock

Mfr. Part No.
B65532B0000T001

Mouser Part No
871-B65532B0000T001

TDK

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

Learn More

Datasheet

8,130In Stock

$0.449

$0.403

$0.389

$0.377

View

Min.: 1
Mult.: 1

P11/7

Hardware & Accessories

Ungapped

P Core

11 x 7

Coil Former

Bulk

Ferrite Cores & Accessories Adjusting screw K1 M1.4 Pocan B3235

B65539C1003X1
TDK
1: $2.11
2,247In Stock

Mfr. Part No.
B65539C1003X1

Mouser Part No
871-B65539C1003X1

TDK

Ferrite Cores & Accessories Adjusting screw K1 M1.4 Pocan B3235

Learn More

Datasheet

2,247In Stock

$2.11

$1.92

$1.78

$1.65

View

Min.: 1
Mult.: 1

B65539C

Hardware & Accessories

Ungapped

RM Core

RM 5

Yellow

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