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. 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 external cables, like on computer monitor cables, while smaller ones can be used internally in electrical circuits, on printed circiut boards (PCBs) for example. Ferrite sleeves are often needed for regulatory compliance. 


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Description Price Series Type Material Impedance at 25 MHz Key Openable Impedance at 100 MHz Outer Dimensions Aperture Diameter Impedance at 500 MHz Number of Apertures Outer Depth Outer Height Outer Width
RS Stock No. 123-2479
BrandRS PRO
£1.325
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 28Ω No Yes 350Ω 15 Dia. x 25.2mm 4mm - 1 25.2mm - 15mm
RS Stock No. 123-2480
BrandRS PRO
£1.245
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 180Ω No Yes 320Ω 16.5 Dia. x 29.5mm 5.2mm - 1 29.5mm - 16.5mm
RS Stock No. 123-2482
BrandRS PRO
£0.915
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 176Ω No Yes 246Ω 13 x 25.5 x 11.8mm 5.2mm - 1 25.5mm 11.8mm 13mm
RS Stock No. 123-2486
BrandRS PRO
£1.815
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 55Ω No Yes 100Ω 21 Dia. x 39mm 7.5mm - 1 39mm - 21mm
RS Stock No. 123-2481
BrandRS PRO
£1.215
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 175Ω No Yes 321Ω 15 x 23 x 14mm 5.2mm - 1 23mm 14mm 15mm
RS Stock No. 123-2484
BrandRS PRO
£1.29
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 151Ω No Yes 130Ω 14 Dia. x 22mm 7mm - 1 22mm - 14mm
RS Stock No. 123-2485
BrandRS PRO
£1.04
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 71Ω No Yes 110Ω 17 x 30 x 15mm 7mm - 1 30mm 15mm 17mm
RS Stock No. 123-2483
BrandRS PRO
£1.59
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 145Ω No Yes 270Ω 20.5 x 33 x 20mm 6.5mm - 1 33mm 20mm 20.5mm
RS Stock No. 123-2499
BrandRS PRO
£2.065
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 180Ω No Yes 210Ω 29 Dia. x 33mm 15mm - 1 33mm - 29mm
RS Stock No. 123-2488
BrandRS PRO
£1.325
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 223Ω No Yes 417Ω 19.5 Dia. x 23mm 8.1mm - 1 23mm - 19.5mm
RS Stock No. 123-2489
BrandRS PRO
£1.435
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 223Ω No Yes 525Ω 19.5 Dia. x 35.5mm 9mm - 1 35.5mm - 19.5mm
RS Stock No. 123-2490
BrandRS PRO
£1.435
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 306Ω No Yes 417Ω 19.5 x 35 x 18mm 9mm - 1 35mm 18mm 19.5mm
RS Stock No. 123-2492
BrandRS PRO
£1.93
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 223Ω No Yes 525Ω 25.5 x 33 x 23.5mm 10mm - 1 33mm 23.5mm 25.5mm
RS Stock No. 123-2487
BrandRS PRO
£1.405
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 28Ω No Yes 417Ω 19.5 Dia. x 23mm 8.1mm - 1 23mm - 19.5mm
RS Stock No. 123-2497
BrandRS PRO
£2.405
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 163Ω No Yes 240Ω 23.5 x 36 x 22.5mm 13mm - 1 36mm 22.5mm 23.5mm
RS Stock No. 123-2491
BrandRS PRO
£1.645
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 223Ω No Yes 417Ω 22.5 Dia. x 43mm 9.5mm - 1 43mm - 22.5mm
RS Stock No. 123-2494
BrandRS PRO
£2.325
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 60 No Yes 280Ω 21 Dia. x 36mm 11mm - 1 36mm - 21mm
RS Stock No. 123-2493
BrandRS PRO
£0.97
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 306Ω No Yes 140Ω 24.5 Dia. x 28.5mm 10.2mm - 1 28.5mm - 24.5mm
RS Stock No. 123-2495
BrandRS PRO
£2.14
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 169Ω No Yes 260Ω 28 Dia. x 32mm 11.5mm - 1 32mm - 28mm
RS Stock No. 123-2496
BrandRS PRO
£2.22
Each (In a Pack of 2)
Units
- Clamp Filter Ferrite 156Ω No Yes 275Ω 31.5 x 33 x 30mm 13mm - 1 33mm 30mm 31.5mm