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 309-7962
Tillv. art.nr74271221
VarumärkeWurth Elektronik
58,94 kr
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STAR-TEC STAR-TEC General Application 4 W 620 - No Yes 270Ω 33.6 x 29.5 x 37.7mm 13mm - - 33.6mm 29.5mm
RS-artikelnummer 163-5430
Tillv. art.nr74271132S
VarumärkeWurth Elektronik
46,369 kr
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STAR-TEC Snap Ferrite General Application, Safety Relevant Application 4W620 - No Yes 241Ω 40.5 x 24.5 x 21mm - - 1 24.5mm 21mm
RS-artikelnummer 815-0009
Tillv. art.nr74271132S
VarumärkeWurth Elektronik
53,35 kr
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STAR-TEC Snap Ferrite General Application, Safety Relevant Application 4W620 - No Yes 241Ω 40.5 x 24.5 x 21mm - - 1 24.5mm 21mm
RS-artikelnummer 309-7940
Tillv. art.nr74271131
VarumärkeWurth Elektronik
49,63 kr
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STAR-TEC STAR-TEC General Application 4 W 620 - No Yes 246Ω 24.2 x 36.4 x 20.1mm 9mm - - 24.6mm 20.1mm
RS-artikelnummer 177-6022
Tillv. art.nr74271142
VarumärkeWurth Elektronik
30,704 kr
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STAR-TEC STAR-TEC EMI Suppression 4 W 620 - No Yes 321Ω 32.5 x 18.8 x 13.2mm 5.4mm - 1 18.8mm 13.2mm
RS-artikelnummer 367-5281
Tillv. art.nr74271142
VarumärkeWurth Elektronik
46,53 kr
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STAR-TEC STAR-TEC EMI Suppression 4 W 620 - No Yes 321Ω 32.5 x 18.8 x 13.2mm 5.4mm - 1 18.8mm 13.2mm
RS-artikelnummer 163-3201
Tillv. art.nr74271142
VarumärkeWurth Elektronik
33,071 kr
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STAR-TEC STAR-TEC EMI Suppression 4 W 620 - No Yes 321Ω 32.5 x 18.8 x 13.2mm 5.4mm - 1 18.8mm 13.2mm
RS-artikelnummer 163-5440
Tillv. art.nr74271733S
VarumärkeWurth Elektronik
30,805 kr
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STAR-FIX Snap Ferrite General Application, Safety Relevant Application 4W620 - No Yes 246Ω 35.1 x 21.7 x 18.2mm 8mm - 1 21.7mm 18.2mm
RS-artikelnummer 815-0027
Tillv. art.nr74271733S
VarumärkeWurth Elektronik
58,32 kr
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STAR-FIX Snap Ferrite General Application, Safety Relevant Application 4W620 - No Yes 246Ω 35.1 x 21.7 x 18.2mm 8mm - 1 21.7mm 18.2mm
RS-artikelnummer 163-5438
Tillv. art.nr74271722
VarumärkeWurth Elektronik
39,215 kr
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- Snap Ferrite General Application, Safety Relevant Application 4W620 - No Yes 270Ω 35.1 x 31 x 28mm 12.5mm - 1 31mm 28mm
RS-artikelnummer 815-0011
Tillv. art.nr74271722
VarumärkeWurth Elektronik
52,84 kr
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- Snap Ferrite General Application, Safety Relevant Application 4W620 - No Yes 270Ω 35.1 x 31 x 28mm 12.5mm - 1 31mm 28mm
RS-artikelnummer 367-5310
Tillv. art.nr74271222
VarumärkeWurth Elektronik
61,01 kr
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STAR-TEC STAR-TEC EMI Suppression 4 W 620 - No Yes 265 42.2 x 28.8 x 33.5mm 13mm - 1 28.8mm 33.5mm
RS-artikelnummer 163-3993
Tillv. art.nr7427154
VarumärkeWurth Elektronik
50,666 kr
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STAR-RING Split Core - 4W620 - No Yes 130Ω 43 x 20 x 32mm 16mm - 1 20mm 32mm
RS-artikelnummer 815-0005
Tillv. art.nr74271131S
VarumärkeWurth Elektronik
48,91 kr
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STAR-TEC Snap Ferrite General Application, Safety Relevant Application 4W620 - No Yes 246 40.5 x 24.5 x 21mm - - 1 24.5mm 21mm
RS-artikelnummer 163-3526
Tillv. art.nr74272722
VarumärkeWurth Elektronik
105,143 kr
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STAR-FIX Snap Ferrite EMI Suppression 8W5000 - No Yes - 28 x 31 x 35.1mm 12.5mm - 1 35.1mm 28mm
RS-artikelnummer 500-2972
Tillv. art.nr74271622S
VarumärkeWurth Elektronik
69,69 kr
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STAR-GAP STAR-GAP - 4W620 - - Yes 140Ω 31.5 x 35 x 28.3mm 13mm - 1 35mm 28.3mm
RS-artikelnummer 756-8389
Tillv. art.nr7427153
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49,63 kr
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STAR-RING Split Core For Mounting On Circuit Boards Midget Blind Rivet, Internal and External Computer Data and Power Cable, Perfect For Cables With Difficult Access Because Of Easy Installation and Removal 4W620 - No Yes 165Ω 30 x 20 x 20mm 8mm - 1 20mm 20mm
RS-artikelnummer 736-1920
Tillv. art.nr74272733
VarumärkeWurth Elektronik
59,56 kr
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STAR-FIX Snap Ferrite EMI Suppression 8W5000 - No Yes - 18.2 x 21.7 x 35.1mm 8mm - 1 35.1mm 18.2mm
RS-artikelnummer 367-5304
Tillv. art.nr74271132
VarumärkeWurth Elektronik
53,35 kr
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STAR-TEC STAR-TEC EMI Suppression 4 W 620 - No Yes 241Ω 36.3 x 24.2 x 19.7mm 7.0 → 8.5mm - 1 24.2mm 19.7mm
RS-artikelnummer 163-5428
Tillv. art.nr74271112S
VarumärkeWurth Elektronik
39,646 kr
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- Snap Ferrite General Application, Safety Relevant Application 4W620 - No Yes - 40.5 x 23.7 x 18.2mm - - 1 23.7mm 18.2mm