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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: CHF 1.88
12’050In Stock

Mfr. Part No.
B65807J0000R049

Mouser Part No
871-B65807J0000R049

TDK

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

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Datasheet

12’050In Stock

CHF 1.88

CHF 1.46

CHF 1.32

CHF 1.22

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

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Blister Pack

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

B65805N0125G048
TDK
1: CHF 3.01
1’490In Stock

Mfr. Part No.
B65805N0125G048

Mouser Part No
871-B65805N0125G048

TDK

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

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Datasheet

1’490In Stock

CHF 3.01

CHF 2.07

CHF 1.74

CHF 1.53

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

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

B65807P0000R087
TDK
1: CHF 2.70
2’491In Stock

Mfr. Part No.
B65807P0000R087

Mouser Part No
871-B65807P0000R087

TDK

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

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Datasheet

2’491In Stock

CHF 2.70

CHF 1.87

CHF 1.60

CHF 1.41

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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: CHF 11.76
210In Stock
120Expected 11/30/2026

Mfr. Part No.
B64290L0082X027

Mouser Part No
871-B64290L0082X027

TDK

Ferrite Cores & Accessories 50X30X20 N27 TOROID

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Datasheet

210In Stock

120Expected 11/30/2026

CHF 11.76

CHF 8.51

CHF 6.83

CHF 6.63

CHF 6.00

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Toroids

Ungapped

Bulk

Ferrite Cores & Accessories 20X10X7 T38 TOROID

B64290L0632X038
TDK
1: CHF 1.42
11’195In Stock

Mfr. Part No.
B64290L0632X038

Mouser Part No
871-B64290L0632X038

TDK

Ferrite Cores & Accessories 20X10X7 T38 TOROID

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Datasheet

11’195In Stock

CHF 1.42

CHF 0.996

CHF 0.848

CHF 0.745

View

Reel

CHF 0.539

Min.: 1
Mult.: 1

: 1’000

Ferrite Cores & Accessories

Toroids

Ungapped

Ammo Pack

Ferrite Cores & Accessories 22.1X13.7X7.9 N87 TOROID

B64290L0719X087
TDK
1: CHF 1.50
4’080In Stock

Mfr. Part No.
B64290L0719X087

Mouser Part No
871-B64290L0719X087

TDK

Ferrite Cores & Accessories 22.1X13.7X7.9 N87 TOROID

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Datasheet

4’080In Stock

CHF 1.50

CHF 1.05

CHF 0.896

CHF 0.789

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Reel

CHF 0.578

Min.: 1
Mult.: 1

: 750

Ferrite Cores & Accessories

Toroids

Ungapped

Ammo Pack

Ferrite Cores & Accessories 6.3 X 3.8 X 2.5 TOROID

B64290P0037X001
TDK
1: CHF 1.17
2’958In Stock

Mfr. Part No.
B64290P0037X001

Mouser Part No
871-B64290P0037X001

TDK

Ferrite Cores & Accessories 6.3 X 3.8 X 2.5 TOROID

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Datasheet

2’958In Stock

CHF 1.17

CHF 0.817

CHF 0.70

CHF 0.62

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Toroids

Ungapped

Bulk

Ferrite Cores & Accessories P 11X7 T387000 +40% -30% Sold as set

B65531W0000Y038
TDK
1: CHF 2.28
2’719In Stock

Mfr. Part No.
B65531W0000Y038

Mouser Part No
871-B65531W0000Y038

TDK

Ferrite Cores & Accessories P 11X7 T387000 +40% -30% Sold as set

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Datasheet

2’719In Stock

CHF 2.28

CHF 1.58

CHF 1.35

CHF 1.19

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories P 14X8 N48 400 +3%-3% Sold as set

B65541T0400A048
TDK
1: CHF 3.21
1’471In Stock

Mfr. Part No.
B65541T0400A048

Mouser Part No
871-B65541T0400A048

TDK

Ferrite Cores & Accessories P 14X8 N48 400 +3%-3% Sold as set

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Datasheet

1’471In Stock

CHF 3.21

CHF 2.20

CHF 1.87

CHF 1.64

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Bulk

Ferrite Cores & Accessories Adjusting screw N22 M2 Pocan B3235

B65549E4X23
TDK
1: CHF 1.76
3’514In Stock

Mfr. Part No.
B65549E4X23

Mouser Part No
871-B65549E4X23

TDK

Ferrite Cores & Accessories Adjusting screw N22 M2 Pocan B3235

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Datasheet

3’514In Stock

CHF 1.76

CHF 1.22

CHF 1.04

CHF 0.92

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Hardware & Accessories

Ungapped

Bulk

Ferrite Cores & Accessories P 36X22 N48 630 + 3%- 3% Sold as set

B65611T0630A048
TDK
1: CHF 9.75
360In Stock

Mfr. Part No.
B65611T0630A048

Mouser Part No
871-B65611T0630A048

TDK

Ferrite Cores & Accessories P 36X22 N48 630 + 3%- 3% Sold as set

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Datasheet

360In Stock

CHF 9.75

CHF 6.50

CHF 5.41

CHF 5.04

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Bulk

Ferrite Cores & Accessories P 22X13 N30 8300 +30%-20% Sold as set

B65661W0000R030
TDK
1: CHF 3.60
1’232In Stock

Mfr. Part No.
B65661W0000R030

Mouser Part No
871-B65661W0000R030

TDK

Ferrite Cores & Accessories P 22X13 N30 8300 +30%-20% Sold as set

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Datasheet

1’232In Stock

CHF 3.60

CHF 2.45

CHF 2.07

CHF 1.82

CHF 1.60

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories ELP22x6x16 PC200 2100 +/-25%

B66455G0000X608
TDK
1: CHF 2.15
3’409In Stock

Mfr. Part No.
B66455G0000X608

Mouser Part No
871-B66455G0000X608

TDK

Ferrite Cores & Accessories ELP22x6x16 PC200 2100 +/-25%

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Datasheet

3’409In Stock

CHF 2.15

CHF 1.48

CHF 1.27

CHF 1.11

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories 70X14.5

B65945A0000X022
TDK
1: CHF 32.47
141In Stock
80Expected 11/30/2026

Mfr. Part No.
B65945A0000X022

Mouser Part No
871-B65945A0000X022

TDK

Ferrite Cores & Accessories 70X14.5

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Datasheet

141In Stock

80Expected 11/30/2026

CHF 32.47

CHF 23.46

CHF 22.28

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

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

B64290A0048X001
TDK
1: CHF 10.22
216In Stock

Mfr. Part No.
B64290A0048X001

Mouser Part No
871-B64290A48X1

TDK

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

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216In Stock

CHF 10.22

CHF 7.11

CHF 5.81

CHF 5.50

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ungapped

Bulk

Ferrite Cores & Accessories 40X24X16 T65 TOROID

B64290L0659X065
TDK
1: CHF 7.03
528In Stock

Mfr. Part No.
B64290L0659X065

Mouser Part No
871-B64290L0659X065

TDK

Ferrite Cores & Accessories 40X24X16 T65 TOROID

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Datasheet

528In Stock

CHF 7.03

CHF 4.73

CHF 3.96

CHF 3.49

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Toroids

Ungapped

Bulk

Ferrite Cores & Accessories ELP18/4/10 N49OL

B66283G0000X149
TDK
1: CHF 1.80
1’906In Stock

Mfr. Part No.
B66283G0000X149

Mouser Part No
871-B66283G0000X149

TDK

Ferrite Cores & Accessories ELP18/4/10 N49OL

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Datasheet

1’906In Stock

CHF 1.80

CHF 1.25

CHF 1.06

CHF 0.94

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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: CHF 0.745
4’714In Stock

Mfr. Part No.
B66307G0240X187

Mouser Part No
871-B66307G240X187

TDK

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

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Datasheet

4’714In Stock

CHF 0.745

CHF 0.518

CHF 0.446

CHF 0.396

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Bulk

Ferrite Cores & Accessories E47/20/16 N87OL

B66383G0000X187
TDK
1: CHF 4.50
1’121In Stock

Mfr. Part No.
B66383G0000X187

Mouser Part No
871-B66383G0000X187

TDK

Ferrite Cores & Accessories E47/20/16 N87OL

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Datasheet

1’121In Stock

CHF 4.50

CHF 3.07

CHF 2.59

CHF 2.26

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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: CHF 0.381
57’904In Stock

Mfr. Part No.
B62152A0008X030

Mouser Part No
871-B62152A0008X030

TDK

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

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Datasheet

57’904In Stock

CHF 0.381

CHF 0.266

CHF 0.23

CHF 0.205

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: CHF 3.80
1’530In Stock

Mfr. Part No.
B64290L0022X087

Mouser Part No
871-B64290L0022X087

TDK

Ferrite Cores & Accessories 41.8/26.2/12.5N87 TOROID

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Datasheet

1’530In Stock

CHF 3.80

CHF 2.61

CHF 2.21

CHF 1.95

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Toroids

Ungapped

Bulk

Ferrite Cores & Accessories 25.3X14.8X15 N30 TOROID

B64290L0615X830
TDK
1: CHF 1.96
1’751In Stock

Mfr. Part No.
B64290L0615X830

Mouser Part No
871-B64290L0615X830

TDK

Ferrite Cores & Accessories 25.3X14.8X15 N30 TOROID

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Datasheet

1’751In Stock

CHF 1.96

CHF 1.36

CHF 1.16

CHF 1.02

CHF 0.896

Reel

CHF 0.786

Min.: 1
Mult.: 1

: 300

Ferrite Cores & Accessories

Toroids

Ungapped

Ammo Pack

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

B64290L0743X038
TDK
1: CHF 0.729
17’647In Stock

Mfr. Part No.
B64290L0743X038

Mouser Part No
871-B64290L0743X038

TDK

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

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Datasheet

17’647In Stock

CHF 0.729

CHF 0.509

CHF 0.439

CHF 0.389

View

Reel

CHF 0.247

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: CHF 1.16
6’713In Stock

Mfr. Part No.
B65525J0160A087

Mouser Part No
871-B65525J0160A087

TDK

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

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Datasheet

6’713In Stock

CHF 1.16

CHF 0.809

CHF 0.693

CHF 0.613

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: CHF 3.11
1’354In Stock

Mfr. Part No.
B65805N0063A033

Mouser Part No
871-B65805N0063A033

TDK

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

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Datasheet

1’354In Stock

CHF 3.11

CHF 2.13

CHF 1.81

CHF 1.59

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

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Blister Pack

Ferrite Cores & Accessories

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