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 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 Stock No. 173-0000
Mfr. Part No.0444167281
BrandFair-Rite
MYR10.748
Each (In a Box of 196)
units
- Round Cable Snap-Its EMI Suppression 43 Material, 44 Material - - Yes 210 23.7 x 11.7 x 39.4mm 10.15mm - 1 11.7mm 39.4mm
RS Stock No. 774-0641
Mfr. Part No.ZCAT2035-0930A
BrandTDK
MYR10.23
Each
units
ZCAT Ferrite Core Suppression Components 30 Material - - - - 19.5 Dia. x 35mm 9mm - 1 20.5mm -
RS Stock No. 916-4314
Mfr. Part No.ZCAT1518-0730-BK
BrandTDK
MYR5.14
Each (In a Pack of 5)
units
ZCAT Clamp Filter Audio Equipment, Copiers, Digital Telephones, Electronic Musical Instruments, Facsimiles, HDDs, Monitors, PCs, Video Games, Word Processors - 25 - Yes 50Ω 15 Dia. x 22mm 7mm - 1 - 22mm
RS Stock No. 172-9998
Mfr. Part No.0431167281
BrandFair-Rite
MYR14.596
Each (In a Box of 196)
units
- Round Cable Snap-Its EMI Suppression 31 Material - - Yes 240 23.7 x 11.7 x 39.4mm 10.15mm - 1 11.7mm 39.4mm
RS Stock No. 466-9120
Mfr. Part No.0431167281
BrandFair-Rite
MYR10.34
Each
units
- Round Cable Snap-Its EMI Suppression 31 Material - - Yes 240 23.7 x 11.7 x 39.4mm 10.15mm - 1 11.7mm 39.4mm
RS Stock No. 222-4343
Mfr. Part No.MSFC5-T
BrandRichco
MYR35.35
Each
units
MSFC Cable Core EMI Suppression A5 - - Yes 229 16.6 x 18mm 6mm - 1 - 18mm
RS Stock No. 170-3333
Mfr. Part No.ZCAT3035-1330-BK
BrandTDK
MYR12.797
Each (In a Box of 200)
units
ZCAT Clamp Filter Audio Equipment, Copiers, Digital Telephones, Electronic Musical Instruments, Facsimiles, HDDs, Monitors, PCs, Video Games, Word Processors - - - Yes 80Ω 30 Dia. x 39mm 13mm - 1 - 39mm
RS Stock No. 916-4320
Mfr. Part No.ZCAT2132-1130-BK
BrandTDK
MYR12.264
Each (In a Pack of 5)
units
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 Stock No. 163-5431
Mfr. Part No.74271142S
MYR17.96
Each (In a Box of 42)
units
STAR-TEC Snap Ferrite General Application, Safety Relevant Application 4W620 - No Yes 182 32.5 x 18.8 x 13.2mm 5mm - 1 18.8mm 13.2mm
RS Stock No. 774-0645
Mfr. Part No.ZCAT2132-1130
BrandTDK
MYR12.36
Each
units
ZCAT Ferrite Core Suppression Components 30 Material - - - - 36 Dia x 32 mm 11mm - 1 32mm 22mm
RS Stock No. 257-4389
Mfr. Part No.RT130-070-070-K5B
BrandRichco
MYR7.028
Each (In a Pack of 5)
units
RT Toroid Core Multi-Turn Suppression Core Ferrite - - - - 13 Dia. x 7mm 7mm - 1 - 7mm
RS Stock No. 814-9992
Mfr. Part No.74271142S
MYR19.53
Each
units
STAR-TEC Snap Ferrite General Application, Safety Relevant Application 4W620 - No Yes 182 32.5 x 18.8 x 13.2mm 5mm - 1 18.8mm 13.2mm
RS Stock No. 173-0006
Mfr. Part No.0461167281
BrandFair-Rite
MYR20.60
Each (In a Box of 196)
units
- Round Cable Snap-Its EMI Suppression 61 Material - - Yes - 23.7 x 11.7 x 39.4mm 10.15mm - 1 11.7mm 39.4mm
RS Stock No. 814-9989
Mfr. Part No.7427155S
MYR30.04
Each
units
STAR-RING Snap Ferrite General Application, Safety Relevant Application 4W620 - No Yes 100 55 x 20 x 44mm 27.5mm - 1 20mm 44mm
RS Stock No. 466-9265
Mfr. Part No.0461167281
BrandFair-Rite
MYR14.21
Each
units
- Round Cable Snap-Its EMI Suppression 61 Material - - Yes - 23.7 x 11.7 x 39.4mm 10.15mm - 1 11.7mm 39.4mm
RS Stock No. 811-9127
Mfr. Part No.ESD-SR-160H
BrandKEMET
MYR17.23
Each
units
ESD-SR Snap-on Cores Snap Ferrite Round Cable Nickel Zinc - - Yes - 19.5 x 38.5 x 19.5mm 9mm - 1 38.5mm 19.5mm
RS Stock No. 169-6797
Mfr. Part No.ESD-SR-S10
BrandKEMET
MYR4.892
Each (In a Box of 800)
units
ESD-SR Snap-on Cores Snap Ferrite Consumer Electronics Ferrite - - Yes - 15.5 x 18.5 x 14mm 6mm - 1 18.5mm 14mm
RS Stock No. 163-3993
Mfr. Part No.7427154
MYR26.492
Each (In a Box of 40)
units
STAR-RING Split Core - 4W620 - No Yes 130Ω 43 x 20 x 32mm 16mm - 1 20mm 32mm
RS Stock No. 109-4166
Mfr. Part No.ZCAT2132-1130
BrandTDK
MYR5.954
Each (On a Reel of 480)
units
ZCAT Ferrite Core Suppression Components 30 Material - - - - 36 Dia x 32mm 11mm - 1 32mm 22mm
RS Stock No. 163-5436
Mfr. Part No.7427155S
MYR28.991
Each (In a Box of 30)
units
STAR-RING Snap Ferrite General Application, Safety Relevant Application 4W620 - No Yes 100 55 x 20 x 44mm 27.5mm - 1 20mm 44mm