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.

400 Products showing for Ferrite Sleeves

In Stock
Fair-Rite, Diameter 3.8 mm Ferrite Sleeve
  • RS stock no. 255-5127
  • Mfr. Part No. 2873000302
Subtotal (1 pack of 5 units)
R 69,44(exc. VAT)
R 13,888/unit
In Stock
Fair-Rite, Diameter 3.8 mm Ferrite Sleeve
  • RS stock no. 255-5101
  • Mfr. Part No. 2843001502
Subtotal (1 pack of 5 units)
R 63,50(exc. VAT)
R 12,70/unit
In Stock
Fair-Rite, Diameter 1.7 mm Ferrite Sleeve
  • RS stock no. 255-5102
  • Mfr. Part No. 2843002402
Subtotal (1 bag of 300 units)
R 423,90(exc. VAT)
R 1,413/unit
In Stock
Fair-Rite, Diameter 3.8 mm Ferrite Sleeve
  • RS stock no. 255-5113
  • Mfr. Part No. 2861000202
Subtotal (1 pack of 5 units)
R 74,34(exc. VAT)
R 14,868/unit
In Stock
Essentra Openable, Diameter 7.6 mm Ferrite Sleeve, Apertures: 1 20.6 mm 19.2 mm, For Computer Peripherals
  • RS stock no. 222-4393
  • Mfr. Part No. MTFC 16816-T
Subtotal (1 unit)
R 173,35(exc. VAT)
R 173,35/unit
In Stock
Fair-Rite, Diameter 6.35 mm Ferrite Sleeve
  • RS stock no. 255-5107
  • Mfr. Part No. 2843009902
Subtotal (1 unit)
R 113,45(exc. VAT)
R 113,45/unit
In Stock
Fair-Rite Openable, Diameter 5.1 mm Ferrite Core, Apertures: 1 8.4 mm 36.2 mm 17.3 mm, For EMI Suppression
  • RS stock no. 466-9108
  • Mfr. Part No. 0431164951
Subtotal (1 unit)
R 39,56(exc. VAT)
R 39,56/unit
In Stock
Wurth Elektronik Openable, Diameter 7.5 mm Ferrite Sleeve, Apertures: 1 24.5 mm 21 mm 40.5 mm, For Safety Relevant
  • RS stock no. 815-0005
  • Mfr. Part No. 74271131S
Subtotal (1 unit)
R 101,91(exc. VAT)
R 101,91/unit
In Stock
TDK Openable, Diameter 5 mm Ferrite Sleeve, Apertures: 1 12.8 mm 11.2 mm 25 mm, For Suppression Components
  • RS stock no. 774-0632
  • Mfr. Part No. ZCAT1325-0530A
Subtotal (1 unit)
R 25,46(exc. VAT)
R 25,46/unit
In Stock
Fair-Rite Openable, Diameter 10.15 mm Ferrite Core, Apertures: 1 11.7 mm 39.4 mm 23.7 mm, For EMI Suppression
  • RS stock no. 466-9120
  • Mfr. Part No. 0431167281
Subtotal (1 unit)
R 57,10(exc. VAT)
R 57,10/unit
In Stock
Wurth Elektronik Openable, Diameter 6.6 mm Ferrite Sleeve, Apertures: 1 36.9 mm 18.2 mm 23.7 mm, For EMI Suppression
  • RS stock no. 367-5297
  • Mfr. Part No. 74271112
Subtotal (1 unit)
R 93,21(exc. VAT)
R 93,21/unit
In Stock
Fair-Rite, Diameter 3.8 mm Ferrite Sleeve
  • RS stock no. 255-5125
  • Mfr. Part No. 2873000202
Subtotal (1 pack of 5 units)
R 83,60(exc. VAT)
R 16,72/unit
In Stock
Fair-Rite, Diameter 1.7 mm Ferrite Sleeve
  • RS stock no. 255-5115
  • Mfr. Part No. 2861002402
Subtotal (1 pack of 5 units)
R 38,28(exc. VAT)
R 7,656/unit
In Stock
Wurth Elektronik Openable, Diameter 25 mm Ferrite Sleeve, Apertures: 1 Key 60 mm 55 mm 62 mm, For EMI Suppression
  • RS stock no. 168-3191
  • Mfr. Part No. 74271251S
Subtotal (1 unit)
R 662,69(exc. VAT)
R 662,69/unit
In Stock
Wurth Elektronik Openable, Diameter 6 mm Ferrite Ring Key 41 mm 18 mm 23.4 mm, For General Application
  • RS stock no. 248-8148
  • Mfr. Part No. 78271112S
Subtotal (1 unit)
R 160,36(exc. VAT)
R 160,36/unit
Temporarily out of stock
Fair-Rite, Diameter 3.8 mm Ferrite Sleeve
  • RS stock no. 255-5129
  • Mfr. Part No. 2873001502
Subtotal (1 pack of 5 units)
R 93,90(exc. VAT)
R 18,78/unit
In Stock
TDK, Diameter 1.7 mm Dual Aperture Ferrite Core, Apertures: 2 4.2 mm 6.2 mm 7.25 mm, For Broadband Transformer
  • RS stock no. 212-0623
  • Mfr. Part No. B62152A0007X001
Subtotal (1 pack of 10 units)
R 184,76(exc. VAT)
R 18,476/unit
In Stock
Wurth Elektronik Openable, Diameter 8.5 mm Ferrite Sleeve, Apertures: 1 24.2 mm 19.7 mm 36.3 mm, For EMI Suppression
  • RS stock no. 163-3200
  • Mfr. Part No. 74271132
Subtotal (1 box of 38 units)
R 3 265,872(exc. VAT)
R 85,944/unit
In Stock
Wurth Elektronik Openable, Diameter 13 mm Ferrite Sleeve, Apertures: 1 28.8 mm 33.5 mm 42.2 mm, For EMI Suppression
  • RS stock no. 163-3203
  • Mfr. Part No. 74271222
Subtotal (1 box of 20 units)
R 2 335,94(exc. VAT)
R 116,797/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
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