Ferrite Cores & Accessories

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

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

Results: 76

Applied Filters:

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 ER 11/5 N87 Sold as set

B65525J0160A087
TDK
1: €1.26
6,671In Stock

Mfr. Part No.
B65525J0160A087

Mouser Part No
871-B65525J0160A087

TDK

Ferrite Cores & Accessories ER 11/5 N87 Sold as set

Learn More

Datasheet

6,671In Stock

€1.26

€0.877

€0.752

€0.665

View

Min.: 1
Mult.: 1

ER11/2.5/6

Ferrite Cores

Gapped

ER Core

11 x 5

160 nH

3 %

N87

Bulk

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

B65807P0000R087
TDK
1: €3.21
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

€3.21

€2.20

€1.87

€1.63

View

Min.: 1
Mult.: 1

RM6

Ferrite Cores

Ungapped

RM LP Core

RM 6

3 uH

- 20 %, + 30 %

N87

Blister Pack

Ferrite Cores & Accessories RM8 N87 4100 '+30%-20% Sold as set

B65811P0000R087
TDK
1: €4.41
1,663In Stock

Mfr. Part No.
B65811P0000R087

Mouser Part No
871-B65811P0000R087

TDK

Ferrite Cores & Accessories RM8 N87 4100 '+30%-20% Sold as set

Learn More

Datasheet

1,663In Stock

€4.41

€3.01

€2.55

€2.23

€1.78

Min.: 1
Mult.: 1

RM8/LP

Ferrite Cores

Ungapped

RM LP Core

RM 8

4.1 uH

- 20 %, + 30 %

N87

Blister Pack

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B66422W1010D1
TDK
1: €1.95
5,225In Stock
3,900Expected 16/02/2027

Mfr. Part No.
B66422W1010D1

Mouser Part No
871-B66422W1010D1

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

5,225In Stock

3,900Expected 16/02/2027

€1.95

€1.35

€1.15

€1.02

View

Min.: 1
Mult.: 1

B66422W

Hardware & Accessories

Ungapped

EFD Core

25 x 13 x 9

Coil Former with Solder Pins

10 Pin

Tray

Ferrite Cores & Accessories PQ 40/40 N87 4300 Tol +30-20% Sold as set

B65883A0000R087
TDK
1: €10.12
269In Stock
270Expected 29/10/2026

Mfr. Part No.
B65883A0000R087

Mouser Part No
871-B65883A0000R087

TDK

Ferrite Cores & Accessories PQ 40/40 N87 4300 Tol +30-20% Sold as set

Learn More

Datasheet

269In Stock

270Expected 29/10/2026

€10.12

€6.78

€5.40

Reel

€5.40

€5.13

View

Min.: 1
Mult.: 1

: 45

PQ40/40

Ferrite Cores

Ungapped

PQ Core

40 x 40

4.3 uH

- 20 %, + 30 %

N87

Ammo Pack

Ferrite Cores & Accessories COIL FORMER RNITE FR 530

B66359W1013T1
TDK
1: €1.56
4,441In Stock

Mfr. Part No.
B66359W1013T1

Mouser Part No
871-B66359W1013T1

TDK

Ferrite Cores & Accessories COIL FORMER RNITE FR 530

Learn More

Datasheet

4,441In Stock

€1.56

€1.41

€1.36

€1.26

View

Min.: 1
Mult.: 1

B66359W

Hardware & Accessories

Ungapped

ETD Core

29 x 16 x 10

13 Pin

Tray

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B65812N1005D002
TDK
1: €1.54
6In Stock

Mfr. Part No.
B65812N1005D002

Mouser Part No
871-B65812N1005D002

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

6In Stock

€1.54

€1.20

€1.12

€1.09

View

Min.: 1
Mult.: 1

RM8

Hardware & Accessories

Ungapped

RM Core

RM 8

5 Pin

Tray

Ferrite Cores & Accessories ETD29/16/10 N87LP 0.1MM

B66358G0100X187
TDK
1: €2.23
1,048In Stock

Mfr. Part No.
B66358G0100X187

Mouser Part No
871-B66358G0100X187

TDK

Ferrite Cores & Accessories ETD29/16/10 N87LP 0.1MM

Learn More

Datasheet

1,048In Stock

€2.23

€1.54

€1.32

€1.16

View

Min.: 1
Mult.: 1

ETD29/16/10

Ferrite Cores

Gapped

ETD Core

29 x 16 x 10

621 nH

N87

Bulk

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B65808N1005D001
TDK
1: €1.28
947In Stock

Mfr. Part No.
B65808N1005D001

Mouser Part No
871-B65808N1005D001

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

947In Stock

€1.28

€1.16

€1.03

€0.912

View

Min.: 1
Mult.: 1

RM6

Hardware & Accessories

Ungapped

RM Core

RM 6

5 Pin

Tray

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

B65523J0000R087
TDK
1: €1.20
6,632In 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

6,632In Stock

€1.20

€0.832

€0.716

€0.648

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: €1.55
11,946In Stock
20,000Expected 14/09/2026

Mfr. Part No.
B65525J0000R087

Mouser Part No
871-B65525J0000R087

TDK

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

Learn More

Datasheet

11,946In Stock

20,000Expected 14/09/2026

€1.55

€1.08

€0.92

€0.821

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 CF-ER11/5-VSG-1S-10P

B65526B1010T1
TDK
1: €1.38
6,965In Stock
4,000Expected 10/11/2026

Mfr. Part No.
B65526B1010T1

Mouser Part No
871-B65526B1010T1

TDK

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

Learn More

Datasheet

6,965In Stock

4,000Expected 10/11/2026

€1.38

€1.26

€1.20

€1.17

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 COIL FORMER VALOX 420 SEO

B65808E1508T001
TDK
1: €1.45
4,569In Stock

Mfr. Part No.
B65808E1508T001

Mouser Part No
871-B65808E1508T1

TDK

Ferrite Cores & Accessories COIL FORMER VALOX 420 SEO

Learn More

Datasheet

4,569In Stock

€1.45

€1.32

€1.20

€1.06

€1.01

Min.: 1
Mult.: 1

RM6

Hardware & Accessories

Ungapped

RM Core

RM 6

Coil Former with Angled Pins

8 Pin

Angled Pin

Bulk

Ferrite Cores & Accessories COIL FORMER RM 6 6/1

B65808N1006D001
TDK
1: €1.28
12,968In Stock

Mfr. Part No.
B65808N1006D001

Mouser Part No
871-B65808N1006D001

TDK

Ferrite Cores & Accessories COIL FORMER RM 6 6/1

Learn More

Datasheet

12,968In Stock

€1.28

€1.07

€0.972

€0.903

View

Min.: 1
Mult.: 1

RM6

Hardware & Accessories

Ungapped

RM Core

RM 6

6 Pin

Tray

Ferrite Cores & Accessories RM8 N87 250 +3%-3% Sold as set

B65811J0250A087
TDK
1: €3.56
1,288In Stock

Mfr. Part No.
B65811J0250A087

Mouser Part No
871-B65811J0250A087

TDK

Ferrite Cores & Accessories RM8 N87 250 +3%-3% Sold as set

Learn More

Datasheet

1,288In Stock

€3.56

€2.44

€2.07

€1.81

€1.40

Min.: 1
Mult.: 1

RM8

Ferrite Cores

Gapped

RM Core

RM 8

250 nH

3 %

N87

Blister Pack

Ferrite Cores & Accessories RM8/I-N87

B65811JR87
TDK
1: €3.47
1,274In Stock
3,200Expected 08/03/2027

Mfr. Part No.
B65811JR87

Mouser Part No
871-B65811JR87

TDK

Ferrite Cores & Accessories RM8/I-N87

Learn More

Datasheet

1,274In Stock

3,200Expected 08/03/2027

€3.47

€2.37

€2.02

€1.77

View

Min.: 1
Mult.: 1

B65811J

Ferrite Cores

Ungapped

RM Core

RM 8

3.3 uH

- 20 %, + 30 %

N87

Blister Pack

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B65812N1005D001
TDK
1: €1.42
1,676In Stock

Mfr. Part No.
B65812N1005D001

Mouser Part No
871-B65812N1005D001

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

1,676In Stock

€1.42

€1.29

€1.14

€1.01

View

Min.: 1
Mult.: 1

RM8

Hardware & Accessories

Ungapped

RM Core

RM 8

5 Pin

Tray

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B65812N1008D001
TDK
1: €1.20
3,613In Stock
14,800On Order

Mfr. Part No.
B65812N1008D001

Mouser Part No
871-B65812N1008D001

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

3,613In Stock

14,800On Order

€1.20

€1.09

€0.972

€0.855

View

Min.: 1
Mult.: 1

RM8

Hardware & Accessories

Ungapped

RM Core

RM 8

8 Pin

Tray

Ferrite Cores & Accessories RM12/I-N87 '+30%-20% Sold as set

B65815E0000R087
TDK
1: €6.28
1,265In Stock
900Expected 19/10/2026

Mfr. Part No.
B65815E0000R087

Mouser Part No
871-B65815E0000R087

TDK

Ferrite Cores & Accessories RM12/I-N87 '+30%-20% Sold as set

Learn More

Datasheet

1,265In Stock

900Expected 19/10/2026

€6.28

€4.31

€3.52

€3.16

€2.77

Min.: 1
Mult.: 1

RM12

Ferrite Cores

Ungapped

RM Core

RM 12

5.3 uH

- 20 %, + 30 %

Core

N87

SMD/SMT

Bulk

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B65816N1012D1
TDK
1: €1.42
1,495In Stock
1,500Expected 23/10/2026

Mfr. Part No.
B65816N1012D1

Mouser Part No
871-B65816N1012D1

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

1,495In Stock

1,500Expected 23/10/2026

€1.42

€1.29

€1.24

€1.20

View

Min.: 1
Mult.: 1

B65816N

Hardware & Accessories

Ungapped

RM Core

RM 12

12 Pin

Tray

Ferrite Cores & Accessories COIL FORMER RYNITE FR 530

B66359X1014T001
TDK
1: €2.18
1,529In Stock

Mfr. Part No.
B66359X1014T001

Mouser Part No
871-B66359X1014T001

TDK

Ferrite Cores & Accessories COIL FORMER RYNITE FR 530

Learn More

Datasheet

1,529In Stock

€2.18

€1.83

€1.57

€1.38

View

Min.: 1
Mult.: 1

ETD29/16/10

Hardware & Accessories

Ungapped

ETD Core

29 x 16 x 10

14 Pin

Tray

Ferrite Cores & Accessories EFD15/8/5 N87

B66413GX187
TDK
1: €0.886
17,792In Stock
19,200Expected 14/01/2027

Mfr. Part No.
B66413GX187

Mouser Part No
871-B66413GX187

TDK

Ferrite Cores & Accessories EFD15/8/5 N87

Learn More

Datasheet

17,792In Stock

19,200Expected 14/01/2027

€0.886

€0.613

€0.527

€0.468

View

Min.: 1
Mult.: 1

B66413G

Ferrite Cores

Ungapped

EFD Core

15 x 8 x 5

780 nH

- 20 %, + 30 %

N87

Tray

Ferrite Cores & Accessories EFD25/13/9 N87AL 250NH+/-10%

B66421U0250K187
TDK
1: €1.60
3,861In Stock

Mfr. Part No.
B66421U0250K187

Mouser Part No
871-B66421U250K187

TDK

Ferrite Cores & Accessories EFD25/13/9 N87AL 250NH+/-10%

Learn More

Datasheet

3,861In Stock

€1.60

€1.11

€0.955

€0.846

View

Min.: 1
Mult.: 1

EFD25/13/9

Ferrite Cores

Gapped

EFD Core

25 x 13 x 9

250 nH

10 %

N87

Bulk

Ferrite Cores & Accessories CLM-EFD25 2 PCS REQUIRED

B66422B2000X
TDK
1: €0.361
8,916In Stock

Mfr. Part No.
B66422B2000X

Mouser Part No
871-B66422B2000X

TDK

Ferrite Cores & Accessories CLM-EFD25 2 PCS REQUIRED

Learn More

Datasheet

8,916In Stock

€0.361

€0.331

€0.319

€0.304

View

Min.: 1
Mult.: 1

B66422B

Hardware & Accessories

Ungapped

EFD Core

25 x 13 x 9

Bulk

Ferrite Cores & Accessories CLI-ER11/5

B65526A2000X
TDK
1: €0.378
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

€0.378

€0.344

€0.332

€0.322

View

Min.: 1
Mult.: 1

B65526A

Hardware & Accessories

Ungapped

ER Core

11 x 5

Bulk

Customer Service Office

Company

Resources

Support

B65526A
B65526B
B65811J
B65812A
B65816N
B66359W
B66364A
B66364W
B66396W
B66413G
B66414W
B66421G
B66422B
B66422W
EFD15/8/5
EFD25/13/9
ER11/2.5/6
ER11/5
ER25/6/15
ER9.5

9.5 x 5
11 x 5
15 x 8 x 5
25 x 13 x 9
25 x 6 x 15
26 x 20
26 x 25
29 x 16 x 10
32 x 20
32 x 30
39 x 20 x 13
40 x 40
50 x 50
54 x 28 x 19
PQ 26 x 25
PQ 32 x 20
PQ 40 x 40
PQ 50 x 50
RM 12
RM 6

100 nH
124 nH
160 nH
201 nH
229 nH
250 nH
315 nH
383 nH
400 nH
621 nH
639 nH
780 nH
800 nH
1.2 uH
2 uH
2.4 uH
3 uH
3.3 uH
4.1 uH
4.3 uH