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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Beskrivning Pris Series Type Application 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
RS-artikelnummer 151-2798
Tillv. art.nr475176451
VarumärkeFair-Rite
222,31 kr
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04 Round Cable Snap-Its EMI Suppression 75 Material - - Yes - 47.5 x 38.5 x 38.3mm 18.7mm - 1 38.5mm 38.3mm
RS-artikelnummer 124-9620
VarumärkeRS PRO
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- - EMI Suppression Nickel Zinc 128Ω - - 268Ω - - - - - -
RS-artikelnummer 756-8685
Tillv. art.nr74271378
VarumärkeWurth Elektronik
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WE-NCF Split Core Computers, Easy To Mount On Already Installed Cables Or Cables With Connecters, Interference Problems On Data Lines, Terminals 4W620 - - Yes 200Ω 59 x 35 x 44.6mm 7.8mm - 1 35mm 44.6mm
RS-artikelnummer 811-9130
Tillv. art.nrESD-SR-250H
VarumärkeKEMET
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ESD-SR Snap-on Cores Snap Ferrite Round Cable Nickel Zinc - - Yes - 30 x 42 x 30mm 13mm - 1 42mm 30mm
RS-artikelnummer 185-7492
Tillv. art.nr74272151
VarumärkeWurth Elektronik
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STAR-TEC Snap Ferrite Especially for Applications in the Low Frequency Range from 300 kHz to 30 Mhz, Perfect for Applications with Varying Cable Diameter, Reusable because of the Key Technology Therefore Perfect for Test and Measuring Purposes and Cables with Difficult Access, Suppression of Electronic Ballasts (i.e. Neon Tube) in the Lighting Industry Manganese-Zinc (Coating) - Yes - - 49 x 39 x 35mm 12 → 15mm - 1 49mm 35mm
RS-artikelnummer 123-2494
VarumärkeRS PRO
31,59 kr
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- Clamp Filter Computer Peripherals, Digital TV, Internal & External Power Cables, Monitors, Printers Ferrite 60 - Yes 110Ω 21 Dia. x 36mm 11mm - 1 36mm -
RS-artikelnummer 814-3442
Tillv. art.nr432703021091
VarumärkeFERROXCUBE
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CSA Cable Shield EMI Suppression 4S2 Material - - Yes - 17.9 x 32.3 x 9.2mm 7mm - 1 17.9mm 9.2mm
RS-artikelnummer 163-5435
Tillv. art.nr7427154S
VarumärkeWurth Elektronik
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STAR-RING Snap Ferrite General Application, Safety Relevant Application 4W620 - No Yes - 43 x 20 x 32mm 16mm - 1 20mm 32mm
RS-artikelnummer 162-1272
Tillv. art.nr74271722S
VarumärkeWurth Elektronik
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STAR-FIX Snap Ferrite General Application, Safety Relevant Application 4W620 - No Yes 270Ω 35.1 x 31 x 28mm 12.5mm - 1 31mm 28mm
RS-artikelnummer 136-9029
VarumärkeRS PRO
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- - - - - - - 200Ω - - - - - -
RS-artikelnummer 163-3989
Tillv. art.nr74271358
VarumärkeWurth Elektronik
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WE-NCF Split Core - 4W620 - - Yes 98Ω 60 x 45.5 x 15mm 26.5mm - 1 45.5mm 15mm
RS-artikelnummer 111-0865
Tillv. art.nrZCAT2235-1030A
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ZCAT Bead EMC Absorption 30 Material - - - - 28 Dia. 35mm 10mm - 1 10mm 20mm
RS-artikelnummer 756-8682
Tillv. art.nr74271358
VarumärkeWurth Elektronik
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WE-NCF Split Core Computers, Easy To Mount On Already Installed Cables Or Cables With Connecters, Interference Problems On Data Lines, Terminals 4W620 - - Yes 98Ω 60 x 45.5 x 15mm 26.5mm - 1 45.5mm 15mm
RS-artikelnummer 222-4416
Tillv. art.nrMTFC 231114T
VarumärkeRichco
97,51 kr
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MTFC Toroid Core Computer Peripherals Ferrite - - Yes 121 26.6 Dia. x 18.6mm 10.9mm - 1 - 18.6mm
RS-artikelnummer 151-2789
Tillv. art.nr475167281
VarumärkeFair-Rite
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04 Round Cable Snap-Its EMI Suppression 75 Material - - Yes - 39.5 x 23 x 23.4mm 10.15mm - 1 23mm 23.4mm
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- - - - - - - 268Ω - - - - - -
RS-artikelnummer 136-9026
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- - - - - - - 160Ω - - - - - -
RS-artikelnummer 123-2481
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- Clamp Filter Computer Peripherals, Digital TV, Internal & External Power Cables, Monitors, Printers Ferrite 70 - Yes 120Ω 15 x 23 x 14mm 5.2mm - 1 23mm 14mm
RS-artikelnummer 916-4320
Tillv. art.nrZCAT2132-1130-BK
VarumärkeTDK
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ZCAT Clamp Filter Audio Equipment, Copiers, Digital Telephones, Electronic Musical Instruments, Facsimiles, HDDs, Monitors, PCs, Video Games, Word Processors - - - Yes 40Ω 20.5 Dia. x 36mm 11mm - 1 - 36mm
RS-artikelnummer 811-9111
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VarumärkeKEMET
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ESD-SR Snap-on Cores Snap Ferrite Consumer Electronics Ferrite - - Yes - 16 x 33 x 16.4mm 6mm - 1 33mm 16.4mm
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