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 Prix 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
N° de stock RS 741-3068
Référence fabricantZCAT3035-1330
MarqueTDK
4,36 €
Each
Unité
ZCAT Bead EMC Absorption 30 Material - - - - 34 Dia. x 39mm 13mm - 1 30mm -
N° de stock RS 367-5310
Référence fabricant74271222
5,90 €
Each
Unité
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
N° de stock RS 173-0008
Référence fabricant0444164181
MarqueFair-Rite
2,721 €
Each (In a Box of 110)
Unité
- Round Cable Snap-Its EMI Suppression 43 Material, 44 Material - - Yes - 31 x 15.25 x 39.4mm 13.05mm - 1 15.25mm 39.4mm
N° de stock RS 815-0018
Référence fabricant74271222S
5,65 €
Each
Unité
STAR-TEC Snap Ferrite General Application, Safety Relevant Application 4W620 - No Yes 265Ω 42.2 x 33.5 x 28.8mm 12.5mm - 1 33.5mm 28.8mm
N° de stock RS 367-5304
Référence fabricant74271132
5,16 €
Each
Unité
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
N° de stock RS 173-0006
Référence fabricant0461167281
MarqueFair-Rite
2,337 €
Each (In a Box of 196)
Unité
- Round Cable Snap-Its EMI Suppression 61 Material - - Yes - 23.7 x 11.7 x 39.4mm 10.15mm - 1 11.7mm 39.4mm
N° de stock RS 172-9996
Référence fabricant0444164281
MarqueFair-Rite
2,293 €
Each (In a Box of 196)
Unité
- Round Cable Snap-Its EMI Suppression 43 Material, 44 Material - - Yes - 20 x 9.8 x 39.4mm 6.6mm - 1 9.8mm 39.4mm
N° de stock RS 162-1304
Référence fabricant74271318
3,851 €
Each (In a Tray of 36)
Unité
WE-NCF Split Core - 4W620 - - Yes 106Ω 19.4 x 16 x 8.2mm 8.2mm - 1 16mm 8.2mm
N° de stock RS 163-5440
Référence fabricant74271733S
2,979 €
Each (In a Box of 38)
Unité
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
N° de stock RS 756-8673
Référence fabricant74271318
4,24 €
Each
Unité
WE-NCF Split Core Computers, Easy To Mount On Already Installed Cables Or Cables With Connecters, Interference Problems On Data Lines, Terminals 4W620 - - Yes 106Ω 19.4 x 16 x 8.2mm 8.2mm - 1 16mm 8.2mm
N° de stock RS 756-8395
Référence fabricant7427155
6,35 €
Each
Unité
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 110Ω 55 x 20 x 44mm 27mm - 1 20mm 44mm
N° de stock RS 815-0027
Référence fabricant74271733S
5,65 €
Each
Unité
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
N° de stock RS 467-3696
Référence fabricant2873002402
MarqueFair-Rite
0,138 €
Each (In a Pack of 10)
Unité
- Multi Aperture Core EMI Suppression 73 Material - - - - 6.2 x 4.2 x 7mm 1.7mm - 2 4.2mm 7mm
N° de stock RS 172-9968
Référence fabricant2873002402
MarqueFair-Rite
0,137 €
Each (In a Box of 2000)
Unité
- Multi Aperture Core EMI Suppression 73 Material - - - - 6.2 x 4.2 x 7mm 1.7mm - 2 4.2mm 7mm
N° de stock RS 169-6800
Référence fabricantESD-SR-S25
MarqueKEMET
1,485 €
Each (In a Box of 200)
Unité
ESD-SR Snap-on Cores Snap Ferrite Consumer Electronics Ferrite - - Yes - 33 x 15.5 x 29mm 14.5mm - 1 15.5mm 29mm
N° de stock RS 811-9146
Référence fabricantESD-SR-S25
MarqueKEMET
2,44 €
Each
Unité
ESD-SR Snap-on Cores Snap Ferrite Consumer Electronics Ferrite - - Yes - 33 x 15.5 x 29mm 14.5mm - 1 15.5mm 29mm
N° de stock RS 163-3994
Référence fabricant7427155
6,088 €
Each (In a Box of 30)
Unité
STAR-RING Split Core - 4W620 - No Yes 110Ω 55 x 20 x 44mm 27mm - 1 20mm 44mm
N° de stock RS 163-5429
Référence fabricant74271131S
3,685 €
Each (In a Box of 38)
Unité
STAR-TEC Snap Ferrite General Application, Safety Relevant Application 4W620 - No Yes 246 40.5 x 24.5 x 21mm - - 1 24.5mm 21mm
N° de stock RS 466-9237
Référence fabricant0444173551
MarqueFair-Rite
7,26 €
Each
Unité
- Round Cable Snap-Its EMI Suppression 43 Material, 44 Material - - Yes - 29.2 x 14.7 x 42mm 18.8mm - 1 14.7mm 42mm
N° de stock RS 466-9265
Référence fabricant0461167281
MarqueFair-Rite
2,81 €
Each
Unité
- Round Cable Snap-Its EMI Suppression 61 Material - - Yes - 23.7 x 11.7 x 39.4mm 10.15mm - 1 11.7mm 39.4mm