Passive Components – Mouser United Kingdom

.hide-partial { max-height: none; } .show-more { display: none; }

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.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Passive Components

List Images

Results: 2,007

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

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

B65807J0000R049
TDK
1: £1.78
12,049In Stock

Mfr. Part No.
B65807J0000R049

Mouser Part No
871-B65807J0000R049

TDK

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

Learn More

Datasheet

12,049In Stock

£1.78

£1.38

£1.25

£1.15

£1.09

Min.: 1
Mult.: 1

Ferrite Cores & Accessories R87/54.3/13.5 N30 toroid

B64290L0730X830
TDK
1: £31.45
414In Stock

Mfr. Part No.
B64290L0730X830

Mouser Part No
871-B64290L730X830

TDK

Ferrite Cores & Accessories R87/54.3/13.5 N30 toroid

Learn More

Datasheet

414In Stock

£31.45

£24.70

Min.: 1
Mult.: 1

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

B65805N0125G048
TDK
1: £3.36
1,490In Stock

Mfr. Part No.
B65805N0125G048

Mouser Part No
871-B65805N0125G048

TDK

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

Learn More

Datasheet

1,490In Stock

£3.36

£2.30

£1.96

£1.71

View

Min.: 1
Mult.: 1

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

B65883A0000R087
TDK
1: £8.09
272In Stock
270Expected 29/10/2026

Mfr. Part No.
B65883A0000R087

Mouser Part No
871-B65883A0000R087

TDK

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

Learn More

Datasheet

272In Stock

270Expected 29/10/2026

£8.09

£5.88

£4.71

Reel

£4.71

£4.48

View

Min.: 1
Mult.: 1

: 45

Ferrite Cores & Accessories YOKE EF25

B66208A2001X000
TDK
1: £2.56
1,026In Stock

Mfr. Part No.
B66208A2001X000

Mouser Part No
871-B66208A2001X000

TDK

Ferrite Cores & Accessories YOKE EF25

Learn More

Datasheet

1,026In Stock

£2.56

£1.75

£1.48

£1.31

£1.13

Min.: 1
Mult.: 1

Ferrite Cores & Accessories YOKE EF20

B66206A2001X000
TDK
1: £0.743
4,432In Stock

Mfr. Part No.
B66206A2001X000

Mouser Part No
871-B66206A2001X000

TDK

Ferrite Cores & Accessories YOKE EF20

Learn More

Datasheet

4,432In Stock

£0.743

£0.52

£0.448

£0.397

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories R87/54.3/13.5 T37 toroid

B64290L0730X037
TDK
1: £36.40
64In Stock

Mfr. Part No.
B64290L0730X037

Mouser Part No
871-B64290L0730X037

TDK

Ferrite Cores & Accessories R87/54.3/13.5 T37 toroid

Learn More

Datasheet

64In Stock

£36.40

£29.63

£26.63

Min.: 1
Mult.: 1

Ferrite Cores & Accessories ELP64/10/50 N95 15500 +25% -25%

B66295G0000X195
TDK
1: £16.02
120In Stock

Mfr. Part No.
B66295G0000X195

Mouser Part No
871-B66295GX195

TDK

Ferrite Cores & Accessories ELP64/10/50 N95 15500 +25% -25%

Learn More

Datasheet

120In Stock

£16.02

£10.95

£9.75

£9.26

Min.: 1
Mult.: 1

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

B62152A0008X030
TDK
1: £0.361
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

Learn More

Datasheet

57,904In Stock

£0.361

£0.251

£0.217

£0.194

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories ADJUSTER POCAN B3235

B65806C3001X022
TDK
1: £1.16
2,980In Stock

Mfr. Part No.
B65806C3001X022

Mouser Part No
871-B65806C3001X022

TDK

Ferrite Cores & Accessories ADJUSTER POCAN B3235

Learn More

Datasheet

2,980In Stock

£1.16

£0.803

£0.695

£0.641

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories 70X14.5

B65945A0000X022
TDK
1: £33.84
141In Stock
80Expected 30/11/2026

Mfr. Part No.
B65945A0000X022

Mouser Part No
871-B65945A0000X022

TDK

Ferrite Cores & Accessories 70X14.5

Learn More

Datasheet

141In Stock

80Expected 30/11/2026

£33.84

£27.53

£24.75

Min.: 1
Mult.: 1

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

B66287G260X187
TDK
1: £2.85
2,203In Stock

Mfr. Part No.
B66287G260X187

Mouser Part No
871-B66287G260X187

TDK

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

Learn More

Datasheet

2,203In Stock

£2.85

£1.96

£1.65

£1.45

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories 50X30X20 N27 TOROID

B64290L0082X027
TDK
1: £13.17
210In Stock
120Expected 30/11/2026

Mfr. Part No.
B64290L0082X027

Mouser Part No
871-B64290L0082X027

TDK

Ferrite Cores & Accessories 50X30X20 N27 TOROID

Learn More

Datasheet

210In Stock

120Expected 30/11/2026

£13.17

£9.53

£7.66

£7.43

Min.: 1
Mult.: 1

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

B66422W1010D1
TDK
1: £1.69
5,575In Stock

Mfr. Part No.
B66422W1010D1

Mouser Part No
871-B66422W1010D1

TDK

Ferrite Cores & Accessories COIL FORMER SUMIKON PM 9630

Learn More

Datasheet

5,575In Stock

£1.69

£1.17

£0.995

£0.882

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories 41.8/26.2/12.5N97 TOROID

B64290L0022X097
TDK
1: £6.35
894In Stock

Mfr. Part No.
B64290L0022X097

Mouser Part No
871-B64290L0022X097

TDK

Ferrite Cores & Accessories 41.8/26.2/12.5N97 TOROID

Learn More

Datasheet

894In Stock

£6.35

£4.27

£3.71

Min.: 1
Mult.: 1

Ferrite Cores & Accessories 58.3X40.8X17.6 T37 TOROID

B64290L0040X037
TDK
1: £15.13
247In Stock

Mfr. Part No.
B64290L0040X037

Mouser Part No
871-B64290L0040X037

TDK

Ferrite Cores & Accessories 58.3X40.8X17.6 T37 TOROID

Learn More

Datasheet

247In Stock

£15.13

£10.35

Min.: 1
Mult.: 1

Ferrite Cores & Accessories 16X9.6X6.3 N49 TOROID

B64290L0045X049
TDK
1: £0.917
4,258In Stock

Mfr. Part No.
B64290L0045X049

Mouser Part No
871-B64290L0045X049

TDK

Ferrite Cores & Accessories 16X9.6X6.3 N49 TOROID

Learn More

Datasheet

4,258In Stock

£0.917

£0.636

£0.546

£0.484

View

Reel

£0.383

Min.: 1
Mult.: 1

: 2,000

Ferrite Cores & Accessories ADJUSTMENT SCREW P 9 X 5

B65518C3000X001
TDK
1: £1.05
2,926In Stock

Mfr. Part No.
B65518C3000X001

Mouser Part No
871-B65518C3000X001

TDK

Ferrite Cores & Accessories ADJUSTMENT SCREW P 9 X 5

Learn More

Datasheet

2,926In Stock

£1.05

£0.952

£0.917

£0.863

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories ER9.5-N97 Sold as set Sold as set

B65523J0000R097
TDK
1: £1.05
2,494In Stock

Mfr. Part No.
B65523J0000R097

Mouser Part No
871-B65523JR97

TDK

Ferrite Cores & Accessories ER9.5-N97 Sold as set Sold as set

Learn More

Datasheet

2,494In Stock

£1.05

£0.726

£0.623

£0.552

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories RM5/I-N49 +30%-20% Sold as set

B65805J0000R049
TDK
1: £2.64
2,000In Stock

Mfr. Part No.
B65805J0000R049

Mouser Part No
871-B65805J0000R049

TDK

Ferrite Cores & Accessories RM5/I-N49 +30%-20% Sold as set

Learn More

Datasheet

2,000In Stock

£2.64

£1.81

£1.54

£1.35

£1.33

Min.: 1
Mult.: 1

Ferrite Cores & Accessories RM5 PC200 800 +30% -20% Sold as set

B65805J0000R608
TDK
1: £1.74
2,714In Stock

Mfr. Part No.
B65805J0000R608

Mouser Part No
871-B65805J0000R608

TDK

Ferrite Cores & Accessories RM5 PC200 800 +30% -20% Sold as set

Learn More

Datasheet

2,714In Stock

£1.74

£1.20

£1.03

£0.856

£0.813

Min.: 1
Mult.: 1

Ferrite Cores & Accessories RM5 COIL FORMER 8 PINS

B65806N1108D001
TDK
1: £1.82
2,418In Stock

Mfr. Part No.
B65806N1108D001

Mouser Part No
871-B65806N1108D001

TDK

Ferrite Cores & Accessories RM5 COIL FORMER 8 PINS

Learn More

Datasheet

2,418In Stock

£1.82

£1.26

£1.15

£0.856

Min.: 1
Mult.: 1

Ferrite Cores & Accessories RM6 PC200 100 +30% -20% Sold as set

B65807J0000R608
TDK
1: £2.97
1,291In Stock

Mfr. Part No.
B65807J0000R608

Mouser Part No
871-B65807J0000R608

TDK

Ferrite Cores & Accessories RM6 PC200 100 +30% -20% Sold as set

Learn More

Datasheet

1,291In Stock

£2.97

£2.03

£1.72

£1.51

Min.: 1
Mult.: 1

Ferrite Cores & Accessories EP13-N30 '+30%-20% Sold as set

B65843A0000R030
TDK
1: £1.55
2,175In Stock

Mfr. Part No.
B65843A0000R030

Mouser Part No
871-B65843A0000R030

TDK

Ferrite Cores & Accessories EP13-N30 '+30%-20% Sold as set

Learn More

Datasheet

2,175In Stock

£1.55

£1.07

£0.908

£0.803

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories EP13-T38 Sold as set

B65843A0000Y038
TDK
1: £1.86
1,744In Stock

Mfr. Part No.
B65843A0000Y038

Mouser Part No
871-B65843A0000Y038

TDK

Ferrite Cores & Accessories EP13-T38 Sold as set

Learn More

Datasheet

1,744In Stock

£1.86

£1.28

£1.10

£0.969

£0.882

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Types of Passive Components

Customer Service Office

Company

Resources

Support