Ferrite Sleeves

Ferrite sleeves, also known as ferrite beads, are non-conductive components used in electrical circuits to suppress or filter high frequency electromagnetic interference noise. They prevent electromagnetic interference to and from a device.

How do ferrite sleeves work?

If a device produces radio frequency energy, the conductive cable is used as an antenna to transmit the energy through the device. The ferrite sleeve or bead reduces the output of EMI from the device itself and prevents the cable from acting as an antenna for other sources of EMI, like household appliances.

Uses for ferrite sleeves

Ferrite sleeves are commonly found on data cables and medical equipment and can be used on a wide range of other components. They may be built in to the equipment or be separate items that can be clamped on to a cable. You may see larger ones on computer monitor cables for example, while smaller ones can be used internally in electrical circuits, or printed circuit boards (PCBs) for example. Ferrite sleeves are often needed for regulatory compliance.

399 Products showing for Ferrite Sleeves

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In Stock
Wurth Elektronik Openable, Diameter 7.5 mm Ferrite Sleeve, Apertures: 1 Key 40 mm 20 mm 24 mm
  • RS stock no. 185-7319
  • Mfr. Part No. 74272131
Subtotal (1 unit)
R 105,90(exc. VAT)
R 105,90/unit
In Stock
KEMET Openable, Diameter 9 mm Ferrite Ring, Apertures: 1 38.5 mm 19.5 mm 19.5 mm, For Round Cable
  • RS stock no. 811-9127P
  • Mfr. Part No. ESD-SR-160H
Subtotal 1 unit (supplied in a box)
R 90,83(exc. VAT)
R 90,83/unit
In Stock
Wurth Elektronik Openable, Diameter 15 mm Ferrite Sleeve, Apertures: 1 Key 49 mm 35 mm 39 mm
  • RS stock no. 185-7492
  • Mfr. Part No. 74272151
Subtotal (1 unit)
R 241,91(exc. VAT)
R 241,91/unit
In Stock
Wurth Elektronik Openable, Diameter 25 mm Ferrite Sleeve, Apertures: 1 Key 62 mm 55 mm 60 mm
  • RS stock no. 185-7328
  • Mfr. Part No. 74272251
Subtotal (1 unit)
R 595,45(exc. VAT)
R 595,45/unit
In Stock
TDK Openable, Diameter 11 mm Ferrite Sleeve, Apertures: 1 32 mm 22 mm 36 mm, For Suppression Components
  • RS stock no. 774-0645
  • Mfr. Part No. ZCAT2132-1130
Subtotal (1 unit)
R 61,45(exc. VAT)
R 61,45/unit
In Stock
Wurth Elektronik Openable, Diameter 55 Ferrite Sleeve, Apertures: 1 Key 60 mm 55 mm 62 mm, For EMI Suppression
  • RS stock no. 168-3222
  • Mfr. Part No. 74271251
Subtotal (1 unit)
R 751,42(exc. VAT)
R 751,42/unit
In Stock
KEMET Openable, Diameter 13 mm Ferrite Ring, Apertures: 1 42 mm 30 mm 30 mm, For Round Cable
  • RS stock no. 811-9130P
  • Mfr. Part No. ESD-SR-250H
Subtotal 1 unit (supplied in a box)
R 215,47(exc. VAT)
R 215,47/unit
In Stock
Wurth Elektronik Openable Ferrite Sleeve Key 24 mm 40 mm 200 mm, For General Electronic Equipment
  • RS stock no. 487-037
  • Mfr. Part No. 74272132
Subtotal (1 unit)
R 98,30(exc. VAT)
R 98,30/unit
In Stock
Wurth Elektronik Openable, Diameter 13 mm Ferrite Sleeve, Apertures: 1 33.6 29.5 37.7, For General Application
  • RS stock no. 309-7962
  • Mfr. Part No. 74271221
Subtotal (1 unit)
R 122,19(exc. VAT)
R 122,19/unit
Last RS stock
Rotronic Openable, Diameter 6.5 mm Ferrite Core Clip, Apertures: 1 33 mm 20 mm 20.5 mm, For Computer Peripherals
  • RS stock no. 116-1471
  • Mfr. Part No. 11.05.1006
Subtotal (1 unit)
R 57,94(exc. VAT)
R 57,94/unit
In Stock
TDK Openable, Diameter 11 mm Ferrite Clamp, Apertures: 1 36 mm 20.5 mm
  • RS stock no. 916-4320
  • Mfr. Part No. ZCAT2132-1130-BK
Subtotal (1 pack of 5 units)
R 302,24(exc. VAT)
R 60,448/unit
In Stock
Wurth Elektronik Openable, Diameter 5 mm Ferrite Ring Key 41 mm 18 mm 23.4 mm, For General Application
  • RS stock no. 248-8142
  • Mfr. Part No. 78271111
Subtotal (1 unit)
R 172,26(exc. VAT)
R 172,26/unit
In Stock
Wurth Elektronik Openable Star Clip 16 mm 20 mm 26 mm, For Safety Relevant Application, General Application
  • RS stock no. 814-9964
  • Mfr. Part No. 7427713
Subtotal (1 unit)
R 40,08(exc. VAT)
R 40,08/unit
Temporarily out of stock
Essentra Openable, Diameter 6 mm Ferrite Sleeve, Apertures: 1 18 mm 16.6 mm, For EMI Suppression
  • RS stock no. 222-4343
  • Mfr. Part No. MSFC5-T
Subtotal (1 unit)
R 157,50(exc. VAT)
R 157,50/unit
In Stock
Wurth Elektronik Openable, Diameter 12.5 mm Ferrite Sleeve, Apertures: 1 Key 41.6 mm 28.4 mm 33.5 mm
  • RS stock no. 185-7450
  • Mfr. Part No. 74272222
Subtotal (1 unit)
R 191,01(exc. VAT)
R 191,01/unit
In Stock
Wurth Elektronik Openable, Diameter 10.5 mm Ferrite Sleeve, Apertures: 1 Key 41.6 mm 28.4 mm 33.5 mm
  • RS stock no. 185-7410
  • Mfr. Part No. 74272221
Subtotal (1 unit)
R 189,99(exc. VAT)
R 189,99/unit
In Stock
Wurth Elektronik Openable, Diameter 8.5 mm Ferrite Ring Key 40 mm 20 mm 24 mm, For General Application
  • RS stock no. 248-8156
  • Mfr. Part No. 78271132S
Subtotal (1 unit)
R 181,92(exc. VAT)
R 181,92/unit
In Stock
KEMET Openable, Diameter 7 mm Ferrite Ring, Apertures: 1 37.4 mm 20.3 mm 19.6 mm, For Consumer Electronics
  • RS stock no. 811-9115
  • Mfr. Part No. ESD-SR-150
Subtotal (1 unit)
R 71,81(exc. VAT)
R 71,81/unit
In Stock
Wurth Elektronik Openable, Diameter 15 mm Ferrite Sleeve, Apertures: 1 Key 39 mm 35 mm 49 mm, For EMI Suppression
  • RS stock no. 168-3209
  • Mfr. Part No. 74271151S
Subtotal (1 unit)
R 263,31(exc. VAT)
R 263,31/unit
In Stock
Wurth Elektronik Openable, Diameter 12.5 mm Ferrite Sleeve, Apertures: 1 31 mm 28 mm 35.1 mm, For General Application,
  • RS stock no. 163-5438
  • Mfr. Part No. 74271722
Subtotal (1 box of 20 units)
R 1 913,92(exc. VAT)
R 95,696/unit
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