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 811-9109
Tillv. art.nrESD-SR-100
VarumärkeKEMET
18,30 kr
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ESD-SR Snap-on Cores Snap Ferrite Consumer Electronics Ferrite - - Yes - 16.5 x 21 x 16.5mm 6mm - 1 21mm 16.5mm
RS-artikelnummer 741-3068
Tillv. art.nrZCAT3035-1330
VarumärkeTDK
45,08 kr
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ZCAT Bead EMC Absorption 30 Material - - - - 34 Dia. x 39mm 13mm - 1 30mm -
RS-artikelnummer 123-2480
VarumärkeRS PRO
5,195 kr
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- Clamp Filter Computer Peripherals, Digital TV, Internal & External Power Cables, Monitors, Printers Ferrite 70 - Yes 120Ω 16.5 Dia. x 29.5mm 5.2mm - 1 29.5 -
RS-artikelnummer 814-3382
Tillv. art.nrCST26/13/29-4S2F
VarumärkeFERROXCUBE
25,85 kr
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- Cable Shield EMI Suppression 4S2 Material - - - - 25.9 Dia. x 28.6mm 12.8mm - 1 - 28.6mm
RS-artikelnummer 168-3222
Tillv. art.nr74271251
VarumärkeWurth Elektronik
342,25 kr
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STAR-TEC Snap Ferrite - Nickel Zinc - Yes Yes - 62 x 60 x 55 55mm - 1 60mm 55mm
RS-artikelnummer 124-9620
VarumärkeRS PRO
16,80 kr
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- - EMI Suppression Nickel Zinc 128Ω - - 268Ω - - - - - -
RS-artikelnummer 923-6166
Tillv. art.nr74271211S
VarumärkeWurth Elektronik
182,40 kr
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STAR-TEC Snap Ferrite EMI Suppression 4 W 620 - Yes Yes 425Ω 43 x 56 x 47mm 17 → 21mm - 1 56mm 47mm
RS-artikelnummer 811-9076
Tillv. art.nrESD-R-38B
VarumärkeKEMET
41,15 kr
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ESD-R Toroidal Cores Toroid Core Round Cable Manganese-Zinc (Coating), Nickel Zinc - - - - 42.4 Dia. x 16mm 17.9mm - 1 - 16mm
RS-artikelnummer 173-0014
Tillv. art.nr0461164181
VarumärkeFair-Rite
72,713 kr
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- EMI Suppression - - - - Yes 205Ω 39.4 x 31 x 30.5mm 13mm 475Ω 1 39.4mm 30.5mm
RS-artikelnummer 169-6794
Tillv. art.nrESD-SR-160
VarumärkeKEMET
18,459 kr
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ESD-SR Snap-on Cores Snap Ferrite Consumer Electronics Ferrite - - Yes - 20.2 x 39 x 20mm 9mm - 1 39mm 20mm
RS-artikelnummer 173-0011
Tillv. art.nr0444173551
VarumärkeFair-Rite
65,745 kr
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- Round Cable Snap-Its EMI Suppression 43 Material, 44 Material - - Yes - 29.2 x 14.7 x 42mm 18.8mm - 1 14.7mm 42mm
RS-artikelnummer 219-2662
Tillv. art.nr0443164151
VarumärkeFair-Rite
55,53 kr
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- Round Cable Snap-Its EMI Suppression 43 Material, 44 Material - - Yes 250 29 x 14.8 x 32.5mm 13.05mm - 1 14.8mm 32.5mm
RS-artikelnummer 123-2495
VarumärkeRS PRO
24,455 kr
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- Clamp Filter Computer Peripherals, Digital TV, Internal & External Power Cables, Monitors, Printers Ferrite 50 - Yes 100Ω 28 Dia. x 32mm 11.5mm - 1 32mm -
RS-artikelnummer 151-2736
Tillv. art.nr475164281
VarumärkeFair-Rite
73,661 kr
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04 Round Cable Snap-Its EMI Suppression 75 Material - - Yes - 39.5 x 20 x 20mm 6.6mm - 1 20mm 20mm
RS-artikelnummer 123-2499
VarumärkeRS PRO
28,02 kr
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- Clamp Filter Computer Peripherals, Digital TV, Internal & External Power Cables, Monitors, Printers Ferrite 30 - Yes 70Ω 29 Dia. x 33mm 15mm - 1 33mm -
RS-artikelnummer 261-9117
Tillv. art.nrRICB 26 13 28
VarumärkeRichco
25,63 kr
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RICB Shrink VE/CD Ferrite - - - - 26 Dia. x 28.5mm - - - - 28.5mm
RS-artikelnummer 109-4161
Tillv. art.nrZCAT6819-5230D
VarumärkeTDK
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ZCAT Bead EMC Absorption 30 Material - - - - 18.5 Dia. x 67.5mm 52mm - 1 16mm -
RS-artikelnummer 482-6610
Tillv. art.nr2861001502
VarumärkeFair-Rite
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- Multi Aperture Core Suppression Components - - - - - - 3.8mm - 2 - -
RS-artikelnummer 814-9970
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 123-2488
VarumärkeRS PRO
17,99 kr
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- Clamp Filter Computer Peripherals, Digital TV, Internal & External Power Cables, Monitors, Printers Ferrite 50 - Yes 110Ω 19.5 Dia. x 23mm 8.1mm - 1 23mm -
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