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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 EFD25/13/9 N87

B66421GX187
EPCOS / TDK
1: $1.54
1,631In Stock
2,100Expected 2026/03/24

Mfr. Part No.
B66421GX187

Mouser Part No
871-B66421GX187

EPCOS / TDK

Ferrite Cores & Accessories EFD25/13/9 N87

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Datasheet

1,631In Stock

2,100Expected 2026/03/24

$1.54

$1.07

$0.904

$0.799

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories EFD25/13/9 N87AL 315NH +/-10%

B66421U0315K187
EPCOS / TDK
1: $1.56
1,758In Stock

Mfr. Part No.
B66421U0315K187

Mouser Part No
871-B66421U0315K187

EPCOS / TDK

Ferrite Cores & Accessories EFD25/13/9 N87AL 315NH +/-10%

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Datasheet

1,758In Stock

$1.56

$1.09

$0.927

$0.82

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Bulk

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

B66421U0250K187
EPCOS / TDK
1: $1.60
1,501In Stock

Mfr. Part No.
B66421U0250K187

Mouser Part No
871-B66421U250K187

EPCOS / TDK

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

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Datasheet

1,501In Stock

$1.60

$1.11

$0.95

$0.84

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Bulk

Ferrite Cores & Accessories CLM-EFD25 2 PCS REQUIRED

B66422B2000X
EPCOS / TDK
1: $0.43
4,864In Stock

Mfr. Part No.
B66422B2000X

Mouser Part No
871-B66422B2000X

EPCOS / TDK

Ferrite Cores & Accessories CLM-EFD25 2 PCS REQUIRED

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Datasheet

4,864In Stock

$0.43

$0.299

$0.259

$0.231

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Hardware & Accessories

Ungapped

Bulk

Ferrite Cores & Accessories EFD30/15/9 N97OL

B66423G0000X197
EPCOS / TDK
1: $2.01
1,316In Stock

Mfr. Part No.
B66423G0000X197

Mouser Part No
871-B66423GX197

EPCOS / TDK

Ferrite Cores & Accessories EFD30/15/9 N97OL

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Datasheet

1,316In Stock

$2.01

$1.40

$1.19

$1.05

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories EFD30/15/9 N87AL 250NH +/-10%

B66423U0250K187
EPCOS / TDK
1: $1.63
315In Stock

Mfr. Part No.
B66423U0250K187

Mouser Part No
871-B66423U0250K187

EPCOS / TDK

Ferrite Cores & Accessories EFD30/15/9 N87AL 250NH +/-10%

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Datasheet

315In Stock

$1.63

$1.13

$0.95

$0.84

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Bulk

Ferrite Cores & Accessories ELP18/4/10 N87OL NO RECESS

B66453G0000X187
EPCOS / TDK
1: $1.88
662In Stock

Mfr. Part No.
B66453G0000X187

Mouser Part No
871-B66453G0000X187

EPCOS / TDK

Ferrite Cores & Accessories ELP18/4/10 N87OL NO RECESS

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Datasheet

662In Stock

$1.88

$1.31

$1.12

$0.966

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories ELP18x4x10 PC200 1300 +25% -25%

B66453G0000X608
EPCOS / TDK
1: $1.54
1,623In Stock

Mfr. Part No.
B66453G0000X608

Mouser Part No
871-B66453G0000X608

EPCOS / TDK

Ferrite Cores & Accessories ELP18x4x10 PC200 1300 +25% -25%

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Datasheet

1,623In Stock

$1.54

$1.07

$0.912

$0.807

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories I18x2x10 PC200 1500 +25% -25%

B66453K0000X608
EPCOS / TDK
1: $1.38
1,320In Stock

Mfr. Part No.
B66453K0000X608

Mouser Part No
871-B66453K0000X608

EPCOS / TDK

Ferrite Cores & Accessories I18x2x10 PC200 1500 +25% -25%

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Datasheet

1,320In Stock

$1.38

$0.942

$0.808

$0.715

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories EQ25/5.6/18 N49 4100 +25% -25%

B66481GX149
EPCOS / TDK
1: $2.71
515In Stock

Mfr. Part No.
B66481GX149

Mouser Part No
871-B66481GX149

EPCOS / TDK

Ferrite Cores & Accessories EQ25/5.6/18 N49 4100 +25% -25%

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Datasheet

515In Stock

$2.71

$1.87

$1.59

$1.40

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories ER23/5/13 N49 UNGAPPED

B66482G0000X149
EPCOS / TDK
1: $2.84
349In Stock

Mfr. Part No.
B66482G0000X149

Mouser Part No
871-B66482G0000X149

EPCOS / TDK

Ferrite Cores & Accessories ER23/5/13 N49 UNGAPPED

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Datasheet

349In Stock

$2.84

$1.97

$1.67

$1.47

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories ER23x5x13 PC200 1400 +30% -20%

B66482G0000X608
EPCOS / TDK
1: $2.45
792In Stock

Mfr. Part No.
B66482G0000X608

Mouser Part No
871-B66482G0000X608

EPCOS / TDK

Ferrite Cores & Accessories ER23x5x13 PC200 1400 +30% -20%

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Datasheet

792In Stock

$2.45

$1.70

$1.45

$1.28

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories I25/3/15 N97 3400 +25% -25%

B66484K0000X197
EPCOS / TDK
1: $3.12
221In Stock

Mfr. Part No.
B66484K0000X197

Mouser Part No
871-B66484K0000X197

EPCOS / TDK

Ferrite Cores & Accessories I25/3/15 N97 3400 +25% -25%

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Datasheet

221In Stock

$3.12

$2.15

$1.83

$1.60

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories U-CORE N97U CORE

B67374G0000X197
EPCOS / TDK
1: $120.61
9In Stock

Mfr. Part No.
B67374G0000X197

Mouser Part No
871-B67374G0000X197

EPCOS / TDK

Ferrite Cores & Accessories U-CORE N97U CORE

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Datasheet

9In Stock

$120.61

$101.26

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories I 126X28X20 N87 3900 '+25%-25%

B67385P0000X187
EPCOS / TDK
1: $27.30
29In Stock

Mfr. Part No.
B67385P0000X187

Mouser Part No
871-B67385P0000X187

EPCOS / TDK

Ferrite Cores & Accessories I 126X28X20 N87 3900 '+25%-25%

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Datasheet

29In Stock

$27.30

Reel

$27.30

$16.71

Min.: 1
Mult.: 1

Reel: 8

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Ammo Pack

Ferrite Cores & Accessories COIL FORMER RM5 SUMIKON PM9630

B65806N1106D001
EPCOS / TDK
1: $1.41
3,888In Stock

Mfr. Part No.
B65806N1106D001

Mouser Part No
871-B65806N1106D001

EPCOS / TDK

Ferrite Cores & Accessories COIL FORMER RM5 SUMIKON PM9630

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Datasheet

3,888In Stock

$1.41

$0.98

$0.84

$0.744

$0.664

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Hardware & Accessories

Ungapped

Tray

Ferrite Cores & Accessories CLM/Y-EP10

B65842S2000X000
EPCOS / TDK
1: $1.64
2,890In Stock

Mfr. Part No.
B65842S2000X000

Mouser Part No
871-B65842S2000X

EPCOS / TDK

Ferrite Cores & Accessories CLM/Y-EP10

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Datasheet

2,890In Stock

$1.64

$1.14

$0.973

$0.861

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Hardware & Accessories

Ungapped

Bulk

Ferrite Cores & Accessories CLM/Y-EP20

B65848S2000X000
EPCOS / TDK
1: $6.05
457In Stock

Mfr. Part No.
B65848S2000X000

Mouser Part No
871-B65848S2000X

EPCOS / TDK

Ferrite Cores & Accessories CLM/Y-EP20

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Datasheet

457In Stock

$6.05

$4.11

$3.47

$3.16

$2.87

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Hardware & Accessories

Ungapped

Bulk

Ferrite Cores & Accessories CF-E13/7 4-HSG-2S-10P

B66306C1010T2
EPCOS / TDK
1: $2.12
2,221In Stock

Mfr. Part No.
B66306C1010T2

Mouser Part No
871-B66306C1010T2

EPCOS / TDK

Ferrite Cores & Accessories CF-E13/7 4-HSG-2S-10P

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Datasheet

2,221In Stock

$2.12

$1.47

$1.26

$1.11

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Hardware & Accessories

Ungapped

Gullwing

Tray

Ferrite Cores & Accessories COV-EFD15

B66414A7000X
EPCOS / TDK
1: $0.89
11,865In Stock

Mfr. Part No.
B66414A7000X

Mouser Part No
871-B66414A7000X

EPCOS / TDK

Ferrite Cores & Accessories COV-EFD15

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Datasheet

11,865In Stock

$0.89

$0.626

$0.54

$0.479

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Hardware & Accessories

Ungapped

Bulk

Ferrite Cores & Accessories R36/23/15 N30 toroid

B64290A0674X830
EPCOS / TDK
1: $6.35
204In Stock

Mfr. Part No.
B64290A0674X830

Mouser Part No
871-B64290A0674X830

EPCOS / TDK

Ferrite Cores & Accessories R36/23/15 N30 toroid

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Datasheet

204In Stock

$6.35

$4.31

$3.57

$3.50

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Toroids

Ungapped

Bulk

Ferrite Cores & Accessories 12.5X7.5X5 N49 TOROID

B64290L0044X049
EPCOS / TDK
1: $0.57
4,412In Stock

Mfr. Part No.
B64290L0044X049

Mouser Part No
871-B64290L0044X049

EPCOS / TDK

Ferrite Cores & Accessories 12.5X7.5X5 N49 TOROID

Learn More

Datasheet

4,412In Stock

$0.57

$0.399

$0.345

$0.307

View

Reel

$0.178

Min.: 1
Mult.: 1

Reel: 1,500

Ferrite Cores & Accessories

Toroids

Ungapped

Ammo Pack

Ferrite Cores & Accessories 12.5X7.5X5 N87 TOROID

B64290L0044X087
EPCOS / TDK
1: $0.47
3,291In Stock
4,500Expected 2026/03/02

Mfr. Part No.
B64290L0044X087

Mouser Part No
871-B64290L0044X087

EPCOS / TDK

Ferrite Cores & Accessories 12.5X7.5X5 N87 TOROID

Learn More

Datasheet

3,291In Stock

4,500Expected 2026/03/02

$0.47

$0.328

$0.284

$0.254

View

Reel

$0.142

Min.: 1
Mult.: 1

Reel: 1,500

Ferrite Cores & Accessories

Toroids

Ungapped

Ammo Pack

Ferrite Cores & Accessories 17/10.7/6.8 N87 TOROID

B64290L0652X087
EPCOS / TDK
1: $1.07
1,473In Stock

Mfr. Part No.
B64290L0652X087

Mouser Part No
871-B64290L0652X087

EPCOS / TDK

Ferrite Cores & Accessories 17/10.7/6.8 N87 TOROID

Learn More

Datasheet

1,473In Stock

$1.07

$0.745

$0.641

$0.568

View

Reel

$0.372

Min.: 1
Mult.: 1

Reel: 1,500

Ferrite Cores & Accessories

Toroids

Ungapped

Ammo Pack

Ferrite Cores & Accessories 17.4X10.3X7 N30 TOROID

B64290L0652X830
EPCOS / TDK
1: $1.14
979In Stock

Mfr. Part No.
B64290L0652X830

Mouser Part No
871-B64290L0652X830

EPCOS / TDK

Ferrite Cores & Accessories 17.4X10.3X7 N30 TOROID

Learn More

Datasheet

979In Stock

$1.14

$0.776

$0.668

$0.592

View

Reel

$0.399

Min.: 1
Mult.: 1

Reel: 1,500

Ferrite Cores & Accessories

Toroids

Ungapped

Ammo Pack

Ferrite Cores & Accessories

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