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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 ELP102/20.3/37.5 N97 8500 + 25- 25%

B66297G0000X197
TDK
1: $17.24
1,976In Stock

Mfr. Part #
B66297G0000X197

Mouser Part #
871-B66297GX197

TDK

Ferrite Cores & Accessories ELP102/20.3/37.5 N97 8500 + 25- 25%

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Datasheet

1,976In Stock

$17.24

$12.00

$10.96

$10.93

Quote

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories R87/54.3/13.5 N30 toroid

B64290L0730X830
TDK
1: $41.89
414In Stock

Mfr. Part #
B64290L0730X830

Mouser Part #
871-B64290L730X830

TDK

Ferrite Cores & Accessories R87/54.3/13.5 N30 toroid

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Datasheet

414In Stock

$41.89

$31.70

$30.36

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Toroids

Ungapped

Bulk

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

B65807J0000R049
TDK
1: $2.07
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

$2.07

$1.80

$1.66

$1.54

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Blister Pack

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

B62152A0008X030
TDK
1: $0.48
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

$0.48

$0.335

$0.29

$0.258

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Multi-Hole Cores

Ungapped

Bulk

Ferrite Cores & Accessories RM12/I-N30 '+30%-20% Sold as set

B65815E0000R030
TDK
1: $10.11
315In Stock

Mfr. Part #
B65815E0000R030

Mouser Part #
871-B65815E0000R030

TDK

Ferrite Cores & Accessories RM12/I-N30 '+30%-20% Sold as set

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Datasheet

315In Stock

$10.11

$6.80

$5.70

$5.02

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

SMD/SMT

Bulk

Ferrite Cores & Accessories 260 nH 0.25 32 x 6 x 20 ELP Core Gapped N87

B66287G260X187
TDK
1: $3.80
2,203In Stock

Mfr. Part #
B66287G260X187

Mouser Part #
871-B66287G260X187

TDK

Ferrite Cores & Accessories 260 nH 0.25 32 x 6 x 20 ELP Core Gapped N87

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Datasheet

2,203In Stock

$3.80

$2.61

$2.21

$1.94

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Bulk

Ferrite Cores & Accessories 50X30X20 N27 TOROID

B64290L0082X027
TDK
1: $17.55
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

$17.55

$12.70

$10.83

$10.82

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Toroids

Ungapped

Bulk

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B66422W1010D1
TDK
1: $2.27
5,425In Stock
3,900Expected 2/16/2027

Mfr. Part #
B66422W1010D1

Mouser Part #
871-B66422W1010D1

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

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Datasheet

5,425In Stock

3,900Expected 2/16/2027

$2.27

$1.57

$1.34

$1.19

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Hardware & Accessories

Ungapped

Tray

Ferrite Cores & Accessories R87/54.3/13.5 T37 toroid

B64290L0730X037
TDK
1: $53.16
64In Stock

Mfr. Part #
B64290L0730X037

Mouser Part #
871-B64290L0730X037

TDK

Ferrite Cores & Accessories R87/54.3/13.5 T37 toroid

Learn More

Datasheet

64In Stock

$53.16

$38.05

$35.47

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Toroids

Ungapped

Bulk

Ferrite Cores & Accessories 70X14.5

B65945A0000X022
TDK
1: $50.01
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

$50.01

$36.68

$32.97

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: $4.49
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

$4.49

$3.08

$2.62

$2.36

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

Ferrite Cores & Accessories PQ 40/40 N87 4300 Tol +30-20% Sold as set

B65883A0000R087
TDK
1: $11.77
269In Stock
270Expected 10/29/2026

Mfr. Part #
B65883A0000R087

Mouser Part #
871-B65883A0000R087

TDK

Ferrite Cores & Accessories PQ 40/40 N87 4300 Tol +30-20% Sold as set

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Datasheet

269In Stock

270Expected 10/29/2026

$11.77

$7.88

$6.28

Reel

$6.28

$5.96

View

Min.: 1
Mult.: 1

: 45

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Ammo Pack

Ferrite Cores & Accessories YOKE EF25

B66208A2001X000
TDK
1: $3.42
1,026In Stock

Mfr. Part #
B66208A2001X000

Mouser Part #
871-B66208A2001X000

TDK

Ferrite Cores & Accessories YOKE EF25

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Datasheet

1,026In Stock

$3.42

$2.35

$1.99

$1.75

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Hardware & Accessories

Ungapped

Bulk

Ferrite Cores & Accessories 41.8/26.2/12.5N87 TOROID

B64290L0022X087
TDK
1: $6.58
1,515In Stock

Mfr. Part #
B64290L0022X087

Mouser Part #
871-B64290L0022X087

TDK

Ferrite Cores & Accessories 41.8/26.2/12.5N87 TOROID

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Datasheet

1,515In Stock

$6.58

$4.56

$3.66

$3.35

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Toroids

Ungapped

Bulk

Ferrite Cores & Accessories 16X9.6X6.3 T35 TOROID

B64290L0045X035
TDK
1: $1.04
5,013In Stock

Mfr. Part #
B64290L0045X035

Mouser Part #
871-B64290L0045X035

TDK

Ferrite Cores & Accessories 16X9.6X6.3 T35 TOROID

Learn More

Datasheet

5,013In Stock

$1.04

$0.722

$0.621

$0.551

View

Reel

$0.361

Min.: 1
Mult.: 1

: 2,000

Ferrite Cores & Accessories

Toroids

Ungapped

Ammo Pack

Ferrite Cores & Accessories 25.3X14.8X15 N30 TOROID

B64290L0615X830
TDK
1: $2.48
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

$2.48

$1.71

$1.46

$1.29

Reel

$1.12

View

Min.: 1
Mult.: 1

: 300

Ferrite Cores & Accessories

Toroids

Ungapped

Ammo Pack

Ferrite Cores & Accessories 14/9/5 T38 TOROID

B64290L0658X038
TDK
1: $1.20
3,847In Stock

Mfr. Part #
B64290L0658X038

Mouser Part #
871-B64290L0658X038

TDK

Ferrite Cores & Accessories 14/9/5 T38 TOROID

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Datasheet

3,847In Stock

$1.20

$0.832

$0.716

$0.635

Reel

$0.388

View

Min.: 1
Mult.: 1

: 1,200

Ferrite Cores & Accessories

Toroids

Ungapped

Ammo Pack

Ferrite Cores & Accessories 40/24/16 T35 TOROID

B64290L0659X035
TDK
1: $9.12
274In Stock

Mfr. Part #
B64290L0659X035

Mouser Part #
871-B64290L0659X035

TDK

Ferrite Cores & Accessories 40/24/16 T35 TOROID

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Datasheet

274In Stock

$9.12

$6.44

$5.13

$5.06

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Toroids

Ungapped

Bulk

Ferrite Cores & Accessories 3

B64290L0044X038
TDK
1: $0.63
36,425In Stock

Mfr. Part #
B64290L0044X038

Mouser Part #
871-B64290L44X38

TDK

Ferrite Cores & Accessories 3

Learn More

Datasheet

36,425In Stock

$0.63

$0.443

$0.382

$0.34

View

Reel

$0.229

Min.: 1
Mult.: 1

: 1,500

Ferrite Cores & Accessories

Toroids

Ungapped

Ammo Pack

Ferrite Cores & Accessories 4.0 X 2.4 X 1.6 TOROID

B64290P0036X038
TDK
1: $0.41
17,712In Stock

Mfr. Part #
B64290P0036X038

Mouser Part #
871-B64290P0036X038

TDK

Ferrite Cores & Accessories 4.0 X 2.4 X 1.6 TOROID

Learn More

Datasheet

17,712In Stock

$0.41

$0.289

$0.25

$0.223

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Toroids

Ungapped

Bulk

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

B65525J0160A087
TDK
1: $1.47
6,671In Stock

Mfr. Part #
B65525J0160A087

Mouser Part #
871-B65525J0160A087

TDK

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

Learn More

Datasheet

6,671In Stock

$1.47

$1.02

$0.874

$0.773

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Bulk

Ferrite Cores & Accessories P 14X8 N87 2800 +30%-20% Sold as set

B65541W0000R087
TDK
1: $3.41
1,500In Stock

Mfr. Part #
B65541W0000R087

Mouser Part #
871-B65541W0000R087

TDK

Ferrite Cores & Accessories P 14X8 N87 2800 +30%-20% Sold as set

Learn More

Datasheet

1,500In Stock

$3.41

$2.33

$1.98

$1.73

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Bulk

Ferrite Cores & Accessories RM4 T385000 +40%-30% Sold as set

B65803P0000Y038
TDK
1: $4.55
6,335In Stock

Mfr. Part #
B65803P0000Y038

Mouser Part #
871-B65803P0000Y038

TDK

Ferrite Cores & Accessories RM4 T385000 +40%-30% Sold as set

Learn More

Datasheet

6,335In Stock

Cut Tape

$4.55

$3.12

$2.64

$2.32

View

Reel

$1.74

Min.: 1
Mult.: 1

: 800

Ferrite Cores & Accessories

Ferrite Cores

Ungapped

Reel, Cut Tape

Ferrite Cores & Accessories RM 5 N48315 + 3%- 3% Sold as set

B65805C0315A048
TDK
1: $2.86
2,249In Stock

Mfr. Part #
B65805C0315A048

Mouser Part #
871-B65805C0315A048

TDK

Ferrite Cores & Accessories RM 5 N48315 + 3%- 3% Sold as set

Learn More

Datasheet

2,249In Stock

$2.86

$1.97

$1.68

$1.48

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

Ferrite Cores & Accessories RM5 N87 160 +3%-3% Sold as set

B65805J0160A087
TDK
1: $2.96
1,428In Stock

Mfr. Part #
B65805J0160A087

Mouser Part #
871-B65805J0160A087

TDK

Ferrite Cores & Accessories RM5 N87 160 +3%-3% Sold as set

Learn More

Datasheet

1,428In Stock

$2.96

$2.04

$1.74

$1.53

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Ferrite Cores

Gapped

Blister Pack

Ferrite Cores & Accessories

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