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Ferrite Cores & Accessories

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 RM6/I-N49 '+30%-20% Sold as set

B65807J0000R049
TDK
1: $3.08
12,050In Stock

Mfr. Part #
B65807J0000R049

Mouser Part #
871-B65807J0000R049

TDK

Ferrite Cores & Accessories RM6/I-N49 '+30%-20% Sold as set

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Datasheet

12,050In Stock

$3.08

$2.39

$2.16

$2.00

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Blister Pack

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

B65807P0000R087
TDK
1: $4.43
2,491In Stock

Mfr. Part #
B65807P0000R087

Mouser Part #
871-B65807P0000R087

TDK

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

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Datasheet

2,491In Stock

$4.43

$3.07

$2.63

$2.31

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Blister Pack

Ferrite Cores & Accessories 50X30X20 N27 TOROID

B64290L0082X027
TDK
1: $19.28
210In Stock
120Expected 11/30/2026

Mfr. Part #
B64290L0082X027

Mouser Part #
871-B64290L0082X027

TDK

Ferrite Cores & Accessories 50X30X20 N27 TOROID

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Datasheet

210In Stock

120Expected 11/30/2026

$19.28

$13.95

$11.21

$10.87

$9.45

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Toroids

Ungapped

Bulk

Ferrite Cores & Accessories 70X14.5

B65945A0000X022
TDK
1: $53.24
141In Stock
80Expected 11/30/2026

Mfr. Part #
B65945A0000X022

Mouser Part #
871-B65945A0000X022

TDK

Ferrite Cores & Accessories 70X14.5

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Datasheet

141In Stock

80Expected 11/30/2026

$53.24

$38.47

$36.54

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories RM5 N48 125 +2% -2% Sold as set

B65805N0125G048
TDK
1: $4.93
1,490In Stock

Mfr. Part #
B65805N0125G048

Mouser Part #
871-B65805N0125G048

TDK

Ferrite Cores & Accessories RM5 N48 125 +2% -2% Sold as set

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Datasheet

1,490In Stock

$4.93

$3.38

$2.86

$2.51

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

Ferrite Cores & Accessories R34/20.5/12.5 K 1 toroid

B64290A0048X001
TDK
1: $16.74
216In Stock

Mfr. Part #
B64290A0048X001

Mouser Part #
871-B64290A48X1

TDK

Ferrite Cores & Accessories R34/20.5/12.5 K 1 toroid

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216In Stock

$16.74

$11.65

$9.52

$9.01

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ungapped

Bulk

Ferrite Cores & Accessories 40X24X16 T65 TOROID

B64290L0659X065
TDK
1: $11.53
528In Stock

Mfr. Part #
B64290L0659X065

Mouser Part #
871-B64290L0659X065

TDK

Ferrite Cores & Accessories 40X24X16 T65 TOROID

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Datasheet

528In Stock

$11.53

$7.76

$6.50

$5.53

$5.51

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Toroids

Ungapped

Bulk

Ferrite Cores & Accessories P CORE HALF 25X8.9

B65939A0000X022
TDK
1: $5.17
1,005In Stock

Mfr. Part #
B65939A0000X022

Mouser Part #
871-B65939A0000X022

TDK

Ferrite Cores & Accessories P CORE HALF 25X8.9

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Datasheet

1,005In Stock

$5.17

$3.54

$3.00

$2.63

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories ELP18/4/10 N49OL

B66283G0000X149
TDK
1: $2.95
1,906In Stock

Mfr. Part #
B66283G0000X149

Mouser Part #
871-B66283G0000X149

TDK

Ferrite Cores & Accessories ELP18/4/10 N49OL

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Datasheet

1,906In Stock

$2.95

$2.05

$1.74

$1.55

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories E16/8/5 N87 gap 0.24+-0.02 mm

B66307G0240X187
TDK
1: $1.22
4,714In Stock

Mfr. Part #
B66307G0240X187

Mouser Part #
871-B66307G240X187

TDK

Ferrite Cores & Accessories E16/8/5 N87 gap 0.24+-0.02 mm

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Datasheet

4,714In Stock

$1.22

$0.85

$0.732

$0.65

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Bulk

Ferrite Cores & Accessories E47/20/16 N87OL

B66383G0000X187
TDK
1: $7.37
1,121In Stock

Mfr. Part #
B66383G0000X187

Mouser Part #
871-B66383G0000X187

TDK

Ferrite Cores & Accessories E47/20/16 N87OL

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Datasheet

1,121In Stock

$7.37

$5.03

$4.25

$3.71

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories 3.6/2.1/2.5 DOUBLE-APERTURE CORE

B62152A0008X030
TDK
1: $0.624
57,904In Stock

Mfr. Part #
B62152A0008X030

Mouser Part #
871-B62152A0008X030

TDK

Ferrite Cores & Accessories 3.6/2.1/2.5 DOUBLE-APERTURE CORE

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Datasheet

57,904In Stock

$0.624

$0.436

$0.377

$0.335

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Multi-Hole Cores

Ungapped

Bulk

Ferrite Cores & Accessories 41.8/26.2/12.5N87 TOROID

B64290L0022X087
TDK
1: $6.23
1,530In Stock

Mfr. Part #
B64290L0022X087

Mouser Part #
871-B64290L0022X087

TDK

Ferrite Cores & Accessories 41.8/26.2/12.5N87 TOROID

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Datasheet

1,530In Stock

$6.23

$4.28

$3.63

$3.19

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Toroids

Ungapped

Bulk

Ferrite Cores & Accessories 25.3X14.8X15 N30 TOROID

B64290L0615X830
TDK
1: $3.22
1,751In Stock

Mfr. Part #
B64290L0615X830

Mouser Part #
871-B64290L0615X830

TDK

Ferrite Cores & Accessories 25.3X14.8X15 N30 TOROID

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Datasheet

1,751In Stock

$3.22

$2.22

$1.90

$1.68

$1.47

Reel

$1.24

Min.: 1
Mult.: 1

: 300

Ferrite Cores & Accessories

Toroids

Ungapped

Ammo Pack

Ferrite Cores & Accessories 15.8X8.9X4.7 T38 TOROID

B64290L0743X038
TDK
1: $1.20
19,147In Stock

Mfr. Part #
B64290L0743X038

Mouser Part #
871-B64290L0743X038

TDK

Ferrite Cores & Accessories 15.8X8.9X4.7 T38 TOROID

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Datasheet

19,147In Stock

$1.20

$0.835

$0.719

$0.638

View

Reel

$0.39

Min.: 1
Mult.: 1

: 2,500

Ferrite Cores & Accessories

Toroids

Ungapped

Ammo Pack

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

B65525J0160A087
TDK
1: $1.91
6,713In Stock

Mfr. Part #
B65525J0160A087

Mouser Part #
871-B65525J0160A087

TDK

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

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Datasheet

6,713In Stock

$1.91

$1.33

$1.14

$1.00

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Bulk

Ferrite Cores & Accessories RM5 M33 63 +3%-3% Sold as set

B65805N0063A033
TDK
1: $5.10
1,354In Stock

Mfr. Part #
B65805N0063A033

Mouser Part #
871-B65805N0063A033

TDK

Ferrite Cores & Accessories RM5 M33 63 +3%-3% Sold as set

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Datasheet

1,354In Stock

$5.10

$3.50

$2.96

$2.60

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

Ferrite Cores & Accessories RM6 M33 100 +3% -3% Sold as set

B65807J0100A033
TDK
1: $5.58
2,112In Stock

Mfr. Part #
B65807J0100A033

Mouser Part #
871-B65807J100A33

TDK

Ferrite Cores & Accessories RM6 M33 100 +3% -3% Sold as set

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Datasheet

2,112In Stock

$5.58

$3.82

$3.24

$2.83

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

Ferrite Cores & Accessories RM6 M33 63 +3%-3% Sold as set

B65807N0063A033
TDK
1: $5.60
2,209In Stock

Mfr. Part #
B65807N0063A033

Mouser Part #
871-B65807N0063A033

TDK

Ferrite Cores & Accessories RM6 M33 63 +3%-3% Sold as set

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Datasheet

2,209In Stock

$5.60

$3.84

$3.25

$2.85

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

Ferrite Cores & Accessories EP13-N87 '+30%-20% Sold as set

B65843A0000R087
TDK
1: $2.54
3,372In Stock

Mfr. Part #
B65843A0000R087

Mouser Part #
871-B65843A0000R087

TDK

Ferrite Cores & Accessories EP13-N87 '+30%-20% Sold as set

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Datasheet

3,372In Stock

$2.54

$1.77

$1.51

$1.33

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Tray

Ferrite Cores & Accessories ELP22/6/16 N87OL

B66285G0000X187
TDK
1: $2.33
4,308In Stock

Mfr. Part #
B66285G0000X187

Mouser Part #
871-B66285G0000X187

TDK

Ferrite Cores & Accessories ELP22/6/16 N87OL

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Datasheet

4,308In Stock

$2.33

$1.63

$1.39

$1.22

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories EQ25 N97

B66481G0000X197
TDK
1: $4.21
1,233In Stock

Mfr. Part #
B66481G0000X197

Mouser Part #
871-B66481G0000X197

TDK

Ferrite Cores & Accessories EQ25 N97

Learn More

Datasheet

1,233In Stock

$4.21

$2.90

$2.47

$2.16

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories 41.8/26.2/12.5T37 TOROID

B64290L0022X037
TDK
1: $9.23
551In Stock

Mfr. Part #
B64290L0022X037

Mouser Part #
871-B64290L0022X037

TDK

Ferrite Cores & Accessories 41.8/26.2/12.5T37 TOROID

Learn More

Datasheet

551In Stock

$9.23

$6.24

$5.25

$4.56

$4.25

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Toroids

Ungapped

Bulk

Ferrite Cores & Accessories TOROID 10X6X4 N87

B64290L38X87
TDK
1: $0.442
23,255In Stock

Mfr. Part #
B64290L38X87

Mouser Part #
871-B64290L38X87

TDK

Ferrite Cores & Accessories TOROID 10X6X4 N87

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Datasheet

23,255In Stock

$0.442

$0.311

$0.269

$0.241

View

Reel

$0.122

Min.: 1
Mult.: 1

: 3,000

Ferrite Cores & Accessories

Toroids

Ungapped

Ammo Pack

Ferrite Cores & Accessories P26/16-N48 +30%-20% Sold as set

B65671D0000R048
TDK
1: $9.23
1,184In Stock

Mfr. Part #
B65671D0000R048

Mouser Part #
871-B65671D0000R048

TDK

Ferrite Cores & Accessories P26/16-N48 +30%-20% Sold as set

Learn More

Datasheet

1,184In Stock

$9.23

$6.24

$5.25

$4.56

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories

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