Ferrite Cores & Accessories

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Ferrite Cores & Accessories

EPCOS / TDK Ferrite Cores and Accessories feature polycrystal, sintered material construction with high electrical resistivity and distributed air gaps. These ferrites are ideal for transportation equipment and medical devices. Ferrite cores include E core, ETD core, PM core, U core, PS core, RM core, EFD core, and more. A wide variety of accessories is also available.

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Part #

Ferrite Cores & Accessories 10/6/4 T37 TOROID

B64290L0038X037
EPCOS / TDK
1: $0.54
25,177In Stock

Mfr. Part No.
B64290L0038X037

Mouser Part No
871-B64290L0038X037

EPCOS / TDK

Ferrite Cores & Accessories 10/6/4 T37 TOROID

Learn More

Datasheet

25,177In Stock

$0.54

$0.382

$0.33

$0.294

View

Min.: 1
Mult.: 1

TX10/6/4

Toroids

Ungapped

2.66 uH

T37

Bulk

Ferrite Cores & Accessories 58.3X40.8X17.6 T65 TOROID

B64290L0040X065
EPCOS / TDK
1: $13.07
500In Stock

Mfr. Part No.
B64290L0040X065

Mouser Part No
871-B64290L0040X065

EPCOS / TDK

Ferrite Cores & Accessories 58.3X40.8X17.6 T65 TOROID

Learn More

Datasheet

500In Stock

$13.07

$8.70

$7.24

$6.72

$6.71

Min.: 1
Mult.: 1

TX58.3/40.8/17.6

Toroids

Ungapped

6.25 uH

T65

Bulk

Ferrite Cores & Accessories 25.3/14.8/20 T38 TOROID

B64290L0616X038
EPCOS / TDK
1: $4.43
1,379In Stock

Mfr. Part No.
B64290L0616X038

Mouser Part No
871-B64290L0616X038

EPCOS / TDK

Ferrite Cores & Accessories 25.3/14.8/20 T38 TOROID

Learn More

Datasheet

1,379In Stock

$4.43

$3.03

$2.57

$2.25

View

Min.: 1
Mult.: 1

TX25.3/14.8/20

Toroids

Ungapped

21.3 uH

T38

Bulk

Ferrite Cores & Accessories 25.3X14.8X10 N87 TOROID

B64290L0618X087
EPCOS / TDK
1: $1.39
2,958In Stock

Mfr. Part No.
B64290L0618X087

Mouser Part No
871-B64290L0618X087

EPCOS / TDK

Ferrite Cores & Accessories 25.3X14.8X10 N87 TOROID

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Datasheet

2,958In Stock

$1.39

$0.965

$0.828

$0.785

$0.756

Reel

$0.756

Min.: 1
Mult.: 1

Reel: 500

TX25.3/14.8/10

Toroids

Ungapped

2.36 uH

N87

Ammo Pack

Ferrite Cores & Accessories 20X10X7 T38 TOROID

B64290L0632X038
EPCOS / TDK
1: $1.79
11,718In Stock

Mfr. Part No.
B64290L0632X038

Mouser Part No
871-B64290L0632X038

EPCOS / TDK

Ferrite Cores & Accessories 20X10X7 T38 TOROID

Learn More

Datasheet

11,718In Stock

$1.79

$1.25

$1.07

$0.939

View

Reel

$0.653

Min.: 1
Mult.: 1

Reel: 1,000

TX20/10/7

Toroids

Ungapped

9.74 uH

T38

Ammo Pack

Ferrite Cores & Accessories 20X10X7 N87 TOROID

B64290L0632X087
EPCOS / TDK
1: $1.70
3,691In Stock

Mfr. Part No.
B64290L0632X087

Mouser Part No
871-B64290L0632X087

EPCOS / TDK

Ferrite Cores & Accessories 20X10X7 N87 TOROID

Learn More

Datasheet

3,691In Stock

$1.70

$1.18

$1.01

$0.89

View

Reel

$0.612

Min.: 1
Mult.: 1

Reel: 1,000

TX20/10/7

Toroids

Ungapped

2.13 uH

N87

Ammo Pack

Ferrite Cores & Accessories 29.5X19X14.9 T38 TOROID

B64290L0647X038
EPCOS / TDK
1: $4.46
2,151In Stock

Mfr. Part No.
B64290L0647X038

Mouser Part No
871-B64290L0647X038

EPCOS / TDK

Ferrite Cores & Accessories 29.5X19X14.9 T38 TOROID

Learn More

Datasheet

2,151In Stock

$4.46

$3.05

$2.58

$2.26

View

Min.: 1
Mult.: 1

TX29.5/19.0/14.9

Toroids

Ungapped

13.1 uH

T38

Bulk

Ferrite Cores & Accessories 22.1X13.7X12.5 N87 TOROID

B64290L0651X087
EPCOS / TDK
1: $3.19
3,813In Stock

Mfr. Part No.
B64290L0651X087

Mouser Part No
871-B64290L0651X087

EPCOS / TDK

Ferrite Cores & Accessories 22.1X13.7X12.5 N87 TOROID

Learn More

Datasheet

3,813In Stock

$3.19

$2.20

$1.88

$1.66

View

Reel

$1.21

Min.: 1
Mult.: 1

Reel: 500

TX22/14/13

Toroids

Ungapped

2.63 uH

N87

Ammo Pack

Ferrite Cores & Accessories R14/9/5 T35 toroid

B64290L0658X035
EPCOS / TDK
1: $0.91
5,999In Stock

Mfr. Part No.
B64290L0658X035

Mouser Part No
871-B64290L0658X035

EPCOS / TDK

Ferrite Cores & Accessories R14/9/5 T35 toroid

Learn More

Datasheet

5,999In Stock

$0.91

$0.636

$0.548

$0.486

Reel

$0.313

View

Min.: 1
Mult.: 1

Reel: 1,200

TX14/9/5

Toroids

Ungapped

2.65 uH

T35

Ammo Pack

Ferrite Cores & Accessories 36X23X15 N87 TOROID

B64290L0674X087
EPCOS / TDK
1: $5.24
76In Stock
1,780On Order

Mfr. Part No.
B64290L0674X087

Mouser Part No
871-B64290L0674X087

EPCOS / TDK

Ferrite Cores & Accessories 36X23X15 N87 TOROID

Learn More

Datasheet

76In Stock

1,780On Order

$5.24

$3.57

$3.02

$2.63

View

Min.: 1
Mult.: 1

TX36/23/15

Toroids

Ungapped

2.94 uH

N87

Bulk

Ferrite Cores & Accessories 12.7X7.9X6.35 T65 TOROID

B64290L0742X065
EPCOS / TDK
1: $0.57
9,617In Stock
4,500Expected 14/04/2026

Mfr. Part No.
B64290L0742X065

Mouser Part No
871-B64290L0742X065

EPCOS / TDK

Ferrite Cores & Accessories 12.7X7.9X6.35 T65 TOROID

Learn More

Datasheet

9,617In Stock

4,500Expected 14/04/2026

$0.57

$0.399

$0.345

$0.307

View

Reel

$0.171

Min.: 1
Mult.: 1

Reel: 1,500

TX13/7.9/6.4

Toroids

Ungapped

2.85 uH

T65

Ammo Pack

Ferrite Cores & Accessories TOROID 10/6/4 T38

B64290L38X38
EPCOS / TDK
1: $0.45
48,009In Stock

Mfr. Part No.
B64290L38X38

Mouser Part No
871-B64290L38X38

EPCOS / TDK

Ferrite Cores & Accessories TOROID 10/6/4 T38

Learn More

Datasheet

48,009In Stock

Cut Tape

$0.45

$0.311

$0.27

$0.242

View

Reel

$0.131

Min.: 1
Mult.: 1

Reel: 3,000

B64290L

Toroids

Ungapped

4.09 uH

T38

Reel, Cut Tape

Ferrite Cores & Accessories TOROID 58.3X40.8X17.6 N30

B64290L0040X830
EPCOS / TDK
1: $10.85
671In Stock

Mfr. Part No.
B64290L0040X830

Mouser Part No
871-B64290L40X830

EPCOS / TDK

Ferrite Cores & Accessories TOROID 58.3X40.8X17.6 N30

Learn More

Datasheet

671In Stock

$10.85

$7.26

$6.49

$5.39

Quote

Min.: 1
Mult.: 1

TX58.3/40.8/17.6

Toroids

Ungapped

5.4 uH

N30

Bulk

Ferrite Cores & Accessories TOROID 34X20.5X12.5 N30

B64290L48X830
EPCOS / TDK
1: $4.04
1,787In Stock

Mfr. Part No.
B64290L48X830

Mouser Part No
871-B64290L48X830

EPCOS / TDK

Ferrite Cores & Accessories TOROID 34X20.5X12.5 N30

Learn More

Datasheet

1,787In Stock

$4.04

$2.75

$2.60

$2.27

View

Min.: 1
Mult.: 1

B64290L

Toroids

Ungapped

5.46 uH

N30

Bulk

Ferrite Cores & Accessories R25.3/14.8/10 T65 toroid

B64290L0618X065
EPCOS / TDK
1: $2.32
2,055In Stock

Mfr. Part No.
B64290L0618X065

Mouser Part No
871-B64290L618X65

EPCOS / TDK

Ferrite Cores & Accessories R25.3/14.8/10 T65 toroid

Learn More

Datasheet

2,055In Stock

$2.32

$1.60

$1.36

$1.20

View

Reel

$0.887

Min.: 1
Mult.: 1

Reel: 500

TX25.3/14.8/10

Toroids

Ungapped

T65

Ammo Pack

Ferrite Cores & Accessories TOROID 25.3X14.8X10 N30

B64290L618X830
EPCOS / TDK
1: $1.48
4,136In Stock

Mfr. Part No.
B64290L618X830

Mouser Part No
871-B64290L618X830

EPCOS / TDK

Ferrite Cores & Accessories TOROID 25.3X14.8X10 N30

Learn More

Datasheet

4,136In Stock

$1.48

$1.04

$0.884

$0.782

View

Min.: 1
Mult.: 1

B64290L

Toroids

Ungapped

4.62 uH

N30

Bulk

Ferrite Cores & Accessories TOROID20X10X7T35

B64290L0632X035
EPCOS / TDK
1: $2.08
2,261In Stock

Mfr. Part No.
B64290L0632X035

Mouser Part No
871-B64290L632X35

EPCOS / TDK

Ferrite Cores & Accessories TOROID20X10X7T35

Learn More

Datasheet

2,261In Stock

$2.08

$1.44

$1.23

$1.09

View

Reel

$0.775

Min.: 1
Mult.: 1

Reel: 1,000

TX20/10/7

Toroids

Ungapped

5 uH

T35

Ammo Pack

Ferrite Cores & Accessories TOROID 20X10X7 N30

B64290L632X830
EPCOS / TDK
1: $1.26
5,921In Stock

Mfr. Part No.
B64290L632X830

Mouser Part No
871-B64290L632X830

EPCOS / TDK

Ferrite Cores & Accessories TOROID 20X10X7 N30

Learn More

Datasheet

5,921In Stock

$1.26

$0.874

$0.75

$0.665

View

Reel

$0.488

Min.: 1
Mult.: 1

Reel: 1,000

B64290L

Toroids

Ungapped

4.16 uH

N30

Ammo Pack

Ferrite Cores & Accessories TOROID 40X24X16 N30

B64290L659X830
EPCOS / TDK
1: $6.59
921In Stock

Mfr. Part No.
B64290L659X830

Mouser Part No
871-B64290L659X830

EPCOS / TDK

Ferrite Cores & Accessories TOROID 40X24X16 N30

Learn More

Datasheet

921In Stock

$6.59

$4.42

$3.58

$3.57

View

Min.: 1
Mult.: 1

B64290L

Toroids

Ungapped

7 uH

N30

Bulk

Ferrite Cores & Accessories TOROID 38.1X19.05 X19.05 T38

B64290L0668X038
EPCOS / TDK
1: $8.32
728In Stock

Mfr. Part No.
B64290L0668X038

Mouser Part No
871-B64290L668X38

EPCOS / TDK

Ferrite Cores & Accessories TOROID 38.1X19.05 X19.05 T38

Learn More

Datasheet

728In Stock

$8.32

$5.61

$4.71

$3.95

$3.94

Min.: 1
Mult.: 1

TX38/19/13

Toroids

Ungapped

17.6 uH

T38

Bulk

Ferrite Cores & Accessories R50/30/20 T38 toroid

B64290L0082X038
EPCOS / TDK
1: $18.53
196In Stock

Mfr. Part No.
B64290L0082X038

Mouser Part No
871-B64290L82X38

EPCOS / TDK

Ferrite Cores & Accessories R50/30/20 T38 toroid

Learn More

Datasheet

196In Stock

$18.53

$12.20

$10.15

$10.14

Min.: 1
Mult.: 1

TX50/30/20

Ungapped

T37

Bulk

Ferrite Cores & Accessories TOROID 50X30X20 N30

B64290L82X830
EPCOS / TDK
1: $10.69
1,209In Stock

Mfr. Part No.
B64290L82X830

Mouser Part No
871-B64290L82X830

EPCOS / TDK

Ferrite Cores & Accessories TOROID 50X30X20 N30

Learn More

Datasheet

1,209In Stock

$10.69

$7.16

$5.92

$5.30

$5.29

Min.: 1
Mult.: 1

B64290L

Toroids

Ungapped

8.7 uH

N30

Bulk

Ferrite Cores & Accessories TOROID 50X30X20 N87

B64290L82X87
EPCOS / TDK
1: $10.04
488In Stock

Mfr. Part No.
B64290L82X87

Mouser Part No
871-B64290L82X87

EPCOS / TDK

Ferrite Cores & Accessories TOROID 50X30X20 N87

Learn More

Datasheet

488In Stock

$10.04

$6.74

$5.98

$4.92

$4.91

Min.: 1
Mult.: 1

B64290L

Toroids

Ungapped

4.46 uH

N87

Bulk

Ferrite Cores & Accessories 6.3 X 3.8 X 2.5 TOROID

B64290P0037X001
EPCOS / TDK
1: $1.48
2,978In Stock

Mfr. Part No.
B64290P0037X001

Mouser Part No
871-B64290P0037X001

EPCOS / TDK

Ferrite Cores & Accessories 6.3 X 3.8 X 2.5 TOROID

Learn More

Datasheet

2,978In 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 6.3X3.8X2.5 N49 TOROID

B64290P0037X049
EPCOS / TDK
1: $0.95
6,683In Stock
20,000On Order

Mfr. Part No.
B64290P0037X049

Mouser Part No
871-B64290P0037X049

EPCOS / TDK

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

Learn More

Datasheet

6,683In Stock

20,000On Order

$0.95

$0.66

$0.568

$0.504

View

Min.: 1
Mult.: 1

TC6.3/3.8/2.5

Toroids

Ungapped

330 nH

N49

Bulk

Ferrite Cores & Accessories

Customer Service Office

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B62110A
B62152A
B64290A
B64290L
B64290P
B65511A
B65513J
B65517W
B65525J
B65526A
B65526B
B65531T
B65531W
B65539C
B65541D
B65541W
B65542A
B65549E
B65611D
B65659F

DE Core
DU Core
EC Core
E Core
EER Core
EF Core
EFD Core
ELP Core
EM Core
EP Core
EPO Core
EPX Core
EQ Core
ER Core
ER LP Core
ETD Core
EV Core
FEM Core
I Core
P Core

9.5 mm x 5 mm
11 mm x 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
23.2 mm x 11 mm
23.2 mm x 12.5 mm
25 mm x 18 mm
30 mm x 20 mm
32 mm x 21 mm
50 mm x 32 mm
3.3 x 2.6
4.6 x 4.1
5.6 x 1.7

2.4 nH
4.75 nH
5.2 nH
16 nH
20 nH
25 nH
35 nH
40 nH
45 nH
50 nH
60 nH
62 nH
63 nH
65 nH
69 nH
70 nH
73 nH
75 nH
80 nH
83 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 %

9415
E130I
GFR Liquid Crystal Polymer
GFR Polyterephthalate
GFR Thermosetting Plastic
K1
K10
M33
N2
N22
N26
N27
N30
N41
N45
N48
N49
N72
N87
N88