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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: $3.41
12,049In 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

12,049In Stock

$3.41

$2.65

$2.39

$2.22

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Blister Pack

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

B65805N0125G048
TDK
1: $5.46
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

$5.46

$3.74

$3.17

$2.78

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

Ferrite Cores & Accessories 50X30X20 N27 TOROID

B64290L0082X027
TDK
1: $21.36
210In Stock
120Expected 2026-11-30

Mfr. Part #
B64290L0082X027

Mouser Part #
871-B64290L0082X027

TDK

Ferrite Cores & Accessories 50X30X20 N27 TOROID

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Datasheet

210In Stock

120Expected 2026-11-30

$21.36

$15.45

$12.41

$12.04

$10.47

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Toroids

Ungapped

Bulk

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

B65807P0000R087
TDK
1: $4.91
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

$4.91

$3.40

$2.91

$2.56

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Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Blister Pack

Ferrite Cores & Accessories 70X14.5

B65945A0000X022
TDK
1: $58.97
141In Stock
80Expected 2026-11-30

Mfr. Part #
B65945A0000X022

Mouser Part #
871-B65945A0000X022

TDK

Ferrite Cores & Accessories 70X14.5

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Datasheet

141In Stock

80Expected 2026-11-30

$58.97

$42.61

$40.48

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories 20X10X7 T38 TOROID

B64290L0632X038
TDK
1: $2.58
11,195In Stock

Mfr. Part #
B64290L0632X038

Mouser Part #
871-B64290L0632X038

TDK

Ferrite Cores & Accessories 20X10X7 T38 TOROID

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Datasheet

11,195In Stock

$2.58

$1.80

$1.54

$1.35

View

Reel

$0.94

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: $2.74
4,080In Stock

Mfr. Part #
B64290L0719X087

Mouser Part #
871-B64290L0719X087

TDK

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

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Datasheet

4,080In Stock

$2.74

$1.90

$1.63

$1.43

View

Reel

$1.01

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: $2.13
2,958In Stock

Mfr. Part #
B64290P0037X001

Mouser Part #
871-B64290P0037X001

TDK

Ferrite Cores & Accessories 6.3 X 3.8 X 2.5 TOROID

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Datasheet

2,958In Stock

$2.13

$1.48

$1.27

$1.12

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Toroids

Ungapped

Bulk

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

B65531W0000Y038
TDK
1: $4.13
2,719In Stock

Mfr. Part #
B65531W0000Y038

Mouser Part #
871-B65531W0000Y038

TDK

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

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Datasheet

2,719In Stock

$4.13

$2.87

$2.45

$2.16

View

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: $5.83
1,471In Stock

Mfr. Part #
B65541T0400A048

Mouser Part #
871-B65541T0400A048

TDK

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

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Datasheet

1,471In Stock

$5.83

$4.00

$3.40

$2.98

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Bulk

Ferrite Cores & Accessories Adjusting screw N22 M2 Pocan B3235

B65549E4X23
TDK
1: $3.20
3,514In Stock

Mfr. Part #
B65549E4X23

Mouser Part #
871-B65549E4X23

TDK

Ferrite Cores & Accessories Adjusting screw N22 M2 Pocan B3235

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Datasheet

3,514In Stock

$3.20

$2.22

$1.89

$1.67

View

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: $17.70
360In Stock

Mfr. Part #
B65611T0630A048

Mouser Part #
871-B65611T0630A048

TDK

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

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Datasheet

360In Stock

$17.70

$11.81

$9.84

$8.99

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: $6.52
1,232In Stock

Mfr. Part #
B65661W0000R030

Mouser Part #
871-B65661W0000R030

TDK

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

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Datasheet

1,232In Stock

$6.52

$4.45

$3.77

$3.30

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

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

B66455G0000X608
TDK
1: $3.90
3,409In Stock

Mfr. Part #
B66455G0000X608

Mouser Part #
871-B66455G0000X608

TDK

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

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Datasheet

3,409In Stock

$3.90

$2.69

$2.30

$2.02

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: $0.691
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

$0.691

$0.482

$0.418

$0.372

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: $6.90
1,525In Stock

Mfr. Part #
B64290L0022X087

Mouser Part #
871-B64290L0022X087

TDK

Ferrite Cores & Accessories 41.8/26.2/12.5N87 TOROID

Learn More

Datasheet

1,525In Stock

$6.90

$4.74

$4.02

$3.53

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Toroids

Ungapped

Bulk

Ferrite Cores & Accessories 25.3X14.8X15 N30 TOROID

B64290L0615X830
TDK
1: $3.57
1,751In Stock

Mfr. Part #
B64290L0615X830

Mouser Part #
871-B64290L0615X830

TDK

Ferrite Cores & Accessories 25.3X14.8X15 N30 TOROID

Learn More

Datasheet

1,751In Stock

$3.57

$2.46

$2.10

$1.86

$1.63

Reel

$1.37

Min.: 1
Mult.: 1

: 300

Ferrite Cores & Accessories

Toroids

Ungapped

Ammo Pack

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

B64290L0743X038
TDK
1: $1.32
17,647In Stock

Mfr. Part #
B64290L0743X038

Mouser Part #
871-B64290L0743X038

TDK

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

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Datasheet

17,647In Stock

$1.32

$0.924

$0.796

$0.707

View

Reel

$0.432

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: $2.12
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

$2.12

$1.47

$1.26

$1.11

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: $5.64
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

$5.64

$3.87

$3.28

$2.88

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: $6.18
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

$6.18

$4.23

$3.59

$3.14

View

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: $6.21
2,089In Stock

Mfr. Part #
B65807N0063A033

Mouser Part #
871-B65807N0063A033

TDK

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

Learn More

Datasheet

2,089In Stock

$6.21

$4.25

$3.60

$3.15

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: $2.81
3,372In Stock

Mfr. Part #
B65843A0000R087

Mouser Part #
871-B65843A0000R087

TDK

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

Learn More

Datasheet

3,372In Stock

$2.81

$1.96

$1.67

$1.47

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Tray

Ferrite Cores & Accessories ELP22/6/16 N87OL

B66285G0000X187
TDK
1: $2.58
4,308In Stock

Mfr. Part #
B66285G0000X187

Mouser Part #
871-B66285G0000X187

TDK

Ferrite Cores & Accessories ELP22/6/16 N87OL

Learn More

Datasheet

4,308In Stock

$2.58

$1.80

$1.54

$1.35

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories EQ25 N97

B66481G0000X197
TDK
1: $4.67
1,233In Stock

Mfr. Part #
B66481G0000X197

Mouser Part #
871-B66481G0000X197

TDK

Ferrite Cores & Accessories EQ25 N97

Learn More

Datasheet

1,233In Stock

$4.67

$3.21

$2.74

$2.39

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories

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