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: £1.62
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

£1.62

£1.38

£1.30

£1.23

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories R87/54.3/13.5 T37 toroid

B64290L0730X037
TDK
1: £39.91
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

£39.91

£28.56

£26.63

Min.: 1
Mult.: 1

Ferrite Cores & Accessories P 22X13 N48 630 3% Sold as set

B65661T0630A048
TDK
1: £7.79
442In Stock

Mfr. Part No.
B65661T0630A048

Mouser Part No
871-B65661T0630A048

TDK

Ferrite Cores & Accessories P 22X13 N48 630 3% Sold as set

Learn More

442In Stock

£7.79

£5.53

£4.37

£4.11

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories 70X14.5

B65945A0000X022
TDK
1: £37.55
138In Stock
80Expected 30/11/2026

Mfr. Part No.
B65945A0000X022

Mouser Part No
871-B65945A0000X022

TDK

Ferrite Cores & Accessories 70X14.5

Learn More

Datasheet

138In Stock

80Expected 30/11/2026

£37.55

£27.53

£24.75

Min.: 1
Mult.: 1

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

B65805N0125G048
TDK
1: £3.37
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

£3.37

£2.31

£1.96

£1.77

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories P 26X16 N30 9700 +30%-20% Sold as set

B65671W0000R030
TDK
1: £5.67
625In Stock
400Expected 23/11/2026

Mfr. Part No.
B65671W0000R030

Mouser Part No
871-B65671W0000R030

TDK

Ferrite Cores & Accessories P 26X16 N30 9700 +30%-20% Sold as set

Learn More

Datasheet

625In Stock

400Expected 23/11/2026

£5.67

£3.88

£3.25

£2.86

£2.68

Min.: 1
Mult.: 1

Ferrite Cores & Accessories RM6 N48 400 +3%-3% Sold as set

B65807N0400A048
TDK
1: £3.60
2,174In Stock

Mfr. Part No.
B65807N0400A048

Mouser Part No
871-B65807N0400A048

TDK

Ferrite Cores & Accessories RM6 N48 400 +3%-3% Sold as set

Learn More

Datasheet

2,174In Stock

£3.60

£2.45

£2.08

£1.82

View

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 14/9/5 T38 TOROID

B64290L0658X038
TDK
1: £0.899
3,847In Stock

Mfr. Part No.
B64290L0658X038

Mouser Part No
871-B64290L0658X038

TDK

Ferrite Cores & Accessories 14/9/5 T38 TOROID

Learn More

Datasheet

3,847In Stock

£0.899

£0.585

£0.505

£0.449

View

Reel

£0.291

Min.: 1
Mult.: 1

: 1,200

Ferrite Cores & Accessories 4.0 X 2.4 X 1.6 TOROID

B64290P0036X038
TDK
1: £0.308
17,702In Stock

Mfr. Part No.
B64290P0036X038

Mouser Part No
871-B64290P0036X038

TDK

Ferrite Cores & Accessories 4.0 X 2.4 X 1.6 TOROID

Learn More

Datasheet

17,702In Stock

£0.308

£0.217

£0.188

£0.168

View

Min.: 1
Mult.: 1

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

B65525J0160A087
TDK
1: £1.10
6,671In Stock

Mfr. Part No.
B65525J0160A087

Mouser Part No
871-B65525J0160A087

TDK

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

Learn More

Datasheet

6,671In Stock

£1.10

£0.766

£0.656

£0.581

View

Min.: 1
Mult.: 1

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

B65803P0000Y038
TDK
1: £3.41
6,335In Stock

Mfr. Part No.
B65803P0000Y038

Mouser Part No
871-B65803P0000Y038

TDK

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

Learn More

Datasheet

6,335In Stock

Cut Tape

£3.41

£2.34

£1.98

£1.75

View

Reel

£1.36

Min.: 1
Mult.: 1

: 800

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

B65805J0160A087
TDK
1: £2.23
1,428In Stock

Mfr. Part No.
B65805J0160A087

Mouser Part No
871-B65805J0160A087

TDK

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

Learn More

Datasheet

1,428In Stock

£2.23

£1.53

£1.31

£1.15

£1.08

Min.: 1
Mult.: 1

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

B65807N0063A033
TDK
1: £3.24
2,089In Stock

Mfr. Part No.
B65807N0063A033

Mouser Part No
871-B65807N0063A033

TDK

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

Learn More

Datasheet

2,089In Stock

£3.24

£2.22

£1.88

£1.68

Min.: 1
Mult.: 1

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

B65843A0000R087
TDK
1: £1.47
3,272In Stock

Mfr. Part No.
B65843A0000R087

Mouser Part No
871-B65843A0000R087

TDK

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

Learn More

Datasheet

3,272In Stock

£1.47

£1.02

£0.871

£0.766

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories 6.3X3.8X2.5N30 TOROID

B64290P37X830
TDK
1: £0.413
8,868In Stock

Mfr. Part No.
B64290P37X830

Mouser Part No
871-B64290P37X830

TDK

Ferrite Cores & Accessories 6.3X3.8X2.5N30 TOROID

Learn More

Datasheet

8,868In Stock

£0.413

£0.288

£0.25

£0.223

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories ER11/5-N49 +30%-20% Sold as set

B65525J0000R049
TDK
1: £1.75
7,022In Stock

Mfr. Part No.
B65525J0000R049

Mouser Part No
871-B65525J0000R049

TDK

Ferrite Cores & Accessories ER11/5-N49 +30%-20% Sold as set

Learn More

Datasheet

7,022In Stock

£1.75

£1.20

£1.04

£0.917

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories P 18X11 N305 900 +30%-20% Sold as set

B65651W0000R030
TDK
1: £3.54
706In Stock

Mfr. Part No.
B65651W0000R030

Mouser Part No
871-B65651W0000R030

TDK

Ferrite Cores & Accessories P 18X11 N305 900 +30%-20% Sold as set

Learn More

Datasheet

706In Stock

£3.54

£2.41

£2.04

£1.79

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories P 18X11 T3812600 +40%-30% Sold as set

B65651W0000Y038
TDK
1: £3.81
1,236In Stock

Mfr. Part No.
B65651W0000Y038

Mouser Part No
871-B65651W0000Y038

TDK

Ferrite Cores & Accessories P 18X11 T3812600 +40%-30% Sold as set

Learn More

Datasheet

1,236In Stock

£3.81

£2.60

£2.19

£2.03

Min.: 1
Mult.: 1

Ferrite Cores & Accessories RM6 N87 250 +3%-3% Sold as set

B65807J0250A087
TDK
1: £2.34
1,031In Stock

Mfr. Part No.
B65807J0250A087

Mouser Part No
871-B65807J0250A087

TDK

Ferrite Cores & Accessories RM6 N87 250 +3%-3% Sold as set

Learn More

Datasheet

1,031In Stock

£2.34

£1.62

£1.37

£1.20

£1.16

Min.: 1
Mult.: 1

Ferrite Cores & Accessories RM8 N41 630 +5%-5% Sold as set

B65811J0630J041
TDK
1: £2.87
1,515In Stock

Mfr. Part No.
B65811J0630J041

Mouser Part No
871-B65811J0630J041

TDK

Ferrite Cores & Accessories RM8 N41 630 +5%-5% Sold as set

Learn More

Datasheet

1,515In Stock

£2.87

£1.96

£1.68

£1.47

Min.: 1
Mult.: 1

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

B65805J0000R049
TDK
1: £2.76
1,955In 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

1,955In Stock

£2.76

£1.87

£1.59

£1.40

View

Min.: 1
Mult.: 1

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

B65843A0000R030
TDK
1: £1.13
2,075In Stock

Mfr. Part No.
B65843A0000R030

Mouser Part No
871-B65843A0000R030

TDK

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

Learn More

Datasheet

2,075In Stock

£1.13

£0.863

£0.766

£0.706

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories RM14/I-N41 '+30%-20% Sold as set

B65887E0000R041
TDK
1: £10.32
197In Stock

Mfr. Part No.
B65887E0000R041

Mouser Part No
871-B65887E0000R041

TDK

Ferrite Cores & Accessories RM14/I-N41 '+30%-20% Sold as set

Learn More

Datasheet

Product Comments

197In Stock

£10.32

£6.98

£5.84

£5.59

Min.: 1
Mult.: 1

Ferrite Cores & Accessories EFD25/13/9 N97OL

B66421G0000X197
TDK
1: £0.743
4,479In Stock

Mfr. Part No.
B66421G0000X197

Mouser Part No
871-B66421GX197

TDK

Ferrite Cores & Accessories EFD25/13/9 N97OL

Learn More

Datasheet

4,479In Stock

£0.743

£0.598

£0.564

£0.525

View

Min.: 1
Mult.: 1

Ferrite Cores & Accessories

Types of Passive Components

Customer Service Office

Company

Resources

Support