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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 E42/21/20 N27LP 1.0MM

B66329G1000X127
EPCOS / TDK
1: $5.57
297In Stock

Mfr. Part #
B66329G1000X127

Mouser Part #
871-B66329G1000X127

EPCOS / TDK

Ferrite Cores & Accessories E42/21/20 N27LP 1.0MM

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Datasheet

297In Stock

$5.57

$3.82

$3.25

$2.86

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Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

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Bulk

Ferrite Cores & Accessories E42/21/20 N27LP 1.5MM

B66329G1500X127
EPCOS / TDK
1: $5.57
240In Stock

Mfr. Part #
B66329G1500X127

Mouser Part #
871-B66329G1500X127

EPCOS / TDK

Ferrite Cores & Accessories E42/21/20 N27LP 1.5MM

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Datasheet

240In Stock

$5.57

$3.82

$3.25

$2.86

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Bulk

Ferrite Cores & Accessories E42/21/20 N87LP 1.5MM

B66329G1500X187
EPCOS / TDK
1: $6.02
311In Stock

Mfr. Part #
B66329G1500X187

Mouser Part #
871-B66329G1500X187

EPCOS / TDK

Ferrite Cores & Accessories E42/21/20 N87LP 1.5MM

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Datasheet

311In Stock

$6.02

$4.13

$3.50

$3.07

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Bulk

Ferrite Cores & Accessories E42/21/20 N27 4750 +30% -20%

B66329G0000X127
EPCOS / TDK
1: $5.54
76In Stock
360Expected 2026-04-02

Mfr. Part #
B66329G0000X127

Mouser Part #
871-B66329GX127

EPCOS / TDK

Ferrite Cores & Accessories E42/21/20 N27 4750 +30% -20%

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Datasheet

76In Stock

360Expected 2026-04-02

$5.54

$3.81

$3.22

$2.84

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories E55/28/21 N27LP 1.0MM

B66335G1000X127
EPCOS / TDK
1: $8.98
139In Stock

Mfr. Part #
B66335G1000X127

Mouser Part #
871-B66335G1000X127

EPCOS / TDK

Ferrite Cores & Accessories E55/28/21 N27LP 1.0MM

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Datasheet

139In Stock

$8.98

$6.14

$5.19

$4.76

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Bulk

Ferrite Cores & Accessories E55/28/21 N87LP 2.0MM

B66335G2000X187
EPCOS / TDK
1: $8.01
190In Stock
216Expected 2026-02-23

Mfr. Part #
B66335G2000X187

Mouser Part #
871-B66335G2000X187

EPCOS / TDK

Ferrite Cores & Accessories E55/28/21 N87LP 2.0MM

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Datasheet

190In Stock

216Expected 2026-02-23

$8.01

$5.46

$4.61

$4.02

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Bulk

Ferrite Cores & Accessories E55/28/21 N27OL

B66335G0000X127
EPCOS / TDK
1: $7.08
122In Stock
432Expected 2026-07-20

Mfr. Part #
B66335G0000X127

Mouser Part #
871-B66335GX127

EPCOS / TDK

Ferrite Cores & Accessories E55/28/21 N27OL

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Datasheet

122In Stock

432Expected 2026-07-20

$7.08

$4.84

$4.08

$4.04

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories EC35/17/10 N27OL

B66337G0000X127
EPCOS / TDK
1: $4.51
344In Stock

Mfr. Part #
B66337G0000X127

Mouser Part #
871-B66337G0000X127

EPCOS / TDK

Ferrite Cores & Accessories EC35/17/10 N27OL

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344In Stock

$4.51

$3.12

$2.66

$2.33

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories E55/28/25 N27LP 2.5MM

B66344G2500X127
EPCOS / TDK
1: $9.38
200In Stock

Mfr. Part #
B66344G2500X127

Mouser Part #
871-B66344G2500X127

EPCOS / TDK

Ferrite Cores & Accessories E55/28/25 N27LP 2.5MM

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Datasheet

200In Stock

$9.38

$6.51

$5.20

$5.11

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Bulk

Ferrite Cores & Accessories E19/8/5 N27 1050 +30% -20%

B66379GX127
EPCOS / TDK
1: $1.15
4,321In Stock

Mfr. Part #
B66379GX127

Mouser Part #
871-B66379GX127

EPCOS / TDK

Ferrite Cores & Accessories E19/8/5 N27 1050 +30% -20%

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Datasheet

4,321In Stock

$1.15

$0.809

$0.697

$0.62

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories E40/16/12 N87 4150 +30% -20%

B66381GX187
EPCOS / TDK
1: $3.67
628In Stock

Mfr. Part #
B66381GX187

Mouser Part #
871-B66381GX187

EPCOS / TDK

Ferrite Cores & Accessories E40/16/12 N87 4150 +30% -20%

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Datasheet

628In Stock

$3.67

$2.53

$2.16

$1.90

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories CLM-EFD15 2 PCS REQUIRED

B66414B2000X000
EPCOS / TDK
1: $0.399
12,881In Stock

Mfr. Part #
B66414B2000X000

Mouser Part #
871-B66414B2000X000

EPCOS / TDK

Ferrite Cores & Accessories CLM-EFD15 2 PCS REQUIRED

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Datasheet

12,881In Stock

$0.399

$0.275

$0.239

$0.213

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Hardware & Accessories

Ungapped

Bulk

Ferrite Cores & Accessories EFD20/10/7N49OL

B66417G0000X149
EPCOS / TDK
1: $1.86
2,950In Stock

Mfr. Part #
B66417G0000X149

Mouser Part #
871-B66417G0000X149

EPCOS / TDK

Ferrite Cores & Accessories EFD20/10/7N49OL

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Datasheet

2,950In Stock

$1.86

$1.29

$1.11

$0.982

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories EFD20x10x7 PC200 560 +30% -20%

B66417G0000X608
EPCOS / TDK
1: $2.15
830In Stock

Mfr. Part #
B66417G0000X608

Mouser Part #
871-B66417G0000X608

EPCOS / TDK

Ferrite Cores & Accessories EFD20x10x7 PC200 560 +30% -20%

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Datasheet

830In Stock

$2.15

$1.49

$1.28

$1.13

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories EFD20/10/7 N87AL 160NH +/-10%

B66417U160K187
EPCOS / TDK
1: $1.26
2,640In Stock
3,780Expected 2026-06-01

Mfr. Part #
B66417U160K187

Mouser Part #
871-B66417U160K187

EPCOS / TDK

Ferrite Cores & Accessories EFD20/10/7 N87AL 160NH +/-10%

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Datasheet

2,640In Stock

3,780Expected 2026-06-01

$1.26

$0.93

$0.827

$0.757

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Bulk

Ferrite Cores & Accessories CLM-EFD20 2 PCS REQUIRED

B66418B2000X
EPCOS / TDK
1: $0.507
8,416In Stock

Mfr. Part #
B66418B2000X

Mouser Part #
871-B66418B2000X

EPCOS / TDK

Ferrite Cores & Accessories CLM-EFD20 2 PCS REQUIRED

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Datasheet

8,416In Stock

$0.507

$0.359

$0.312

$0.278

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Hardware & Accessories

Ungapped

Bulk

Ferrite Cores & Accessories EFD25/13/9 N87

B66421GX187
EPCOS / TDK
1: $2.36
1,619In Stock
2,100Expected 2026-03-24

Mfr. Part #
B66421GX187

Mouser Part #
871-B66421GX187

EPCOS / TDK

Ferrite Cores & Accessories EFD25/13/9 N87

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Datasheet

1,619In Stock

2,100Expected 2026-03-24

$2.36

$1.66

$1.41

$1.24

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: $2.39
1,072In Stock

Mfr. Part #
B66421U0315K187

Mouser Part #
871-B66421U0315K187

EPCOS / TDK

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

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Datasheet

1,072In Stock

$2.39

$1.67

$1.42

$1.26

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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: $2.46
901In Stock

Mfr. Part #
B66421U0250K187

Mouser Part #
871-B66421U250K187

EPCOS / TDK

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

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Datasheet

901In Stock

$2.46

$1.70

$1.46

$1.29

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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: $0.66
2,850In Stock
2,600Expected 2026-04-16

Mfr. Part #
B66422B2000X

Mouser Part #
871-B66422B2000X

EPCOS / TDK

Ferrite Cores & Accessories CLM-EFD25 2 PCS REQUIRED

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Datasheet

2,850In Stock

2,600Expected 2026-04-16

$0.66

$0.459

$0.398

$0.355

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Hardware & Accessories

Ungapped

Bulk

Ferrite Cores & Accessories EFD30/15/9 N97OL

B66423G0000X197
EPCOS / TDK
1: $3.09
1,314In Stock

Mfr. Part #
B66423G0000X197

Mouser Part #
871-B66423GX197

EPCOS / TDK

Ferrite Cores & Accessories EFD30/15/9 N97OL

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Datasheet

1,314In Stock

$3.09

$2.13

$1.83

$1.61

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

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

B66453G0000X187
EPCOS / TDK
1: $2.89
662In Stock

Mfr. Part #
B66453G0000X187

Mouser Part #
871-B66453G0000X187

EPCOS / TDK

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

Learn More

Datasheet

662In Stock

$2.89

$2.01

$1.72

$1.51

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

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

B66453G0000X608
EPCOS / TDK
1: $2.36
1,623In Stock

Mfr. Part #
B66453G0000X608

Mouser Part #
871-B66453G0000X608

EPCOS / TDK

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

Learn More

Datasheet

1,623In Stock

$2.36

$1.64

$1.40

$1.24

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

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

B66453K0000X608
EPCOS / TDK
1: $2.12
1,320In Stock

Mfr. Part #
B66453K0000X608

Mouser Part #
871-B66453K0000X608

EPCOS / TDK

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

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Datasheet

1,320In Stock

$2.12

$1.47

$1.26

$1.12

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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: $4.19
515In Stock

Mfr. Part #
B66481GX149

Mouser Part #
871-B66481GX149

EPCOS / TDK

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

Learn More

Datasheet

515In Stock

$4.19

$2.89

$2.47

$2.16

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories

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