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. 109-4167
Mfr. Part No.ZCAT2436-1330A
BrandTDK
SGD2.574
Each (On a Reel of 400)
units
ZCAT Ferrite Core Suppression Components 30 Material - - - - 28 Dia. x 35mm 13mm - 1 19.5mm 17.4mm
RS Stock No. 774-0648
Mfr. Part No.ZCAT2436-1330A
BrandTDK
SGD5.96
Each
units
ZCAT Ferrite Core Suppression Components 30 Material - - - - 28 Dia. x 35mm 13mm - 1 19.5mm 17.4mm
RS Stock No. 774-0632
Mfr. Part No.ZCAT1325-0530A
BrandTDK
SGD1.88
Each
units
ZCAT Ferrite Core Suppression Components 30 Material - - - - 20 Dia. x 25mm 5mm - 1 12.8mm 11.2mm
RS Stock No. 109-4164
Mfr. Part No.ZCAT1730-0730A
BrandTDK
SGD1.34
Each (On a Reel of 840)
units
ZCAT Ferrite Core USB 30 Material - - Yes - 23 Dia. x 30mm 7mm - 1 16.5mm 17.4mm
RS Stock No. 109-4162
Mfr. Part No.ZCAT1325-0530A
BrandTDK
SGD0.803
Each (On a Reel of 1344)
units
ZCAT Ferrite Core Suppression Components 30 Material - - - - 20 Dia. x 25mm 5mm - 1 12.8mm 11.2mm
RS Stock No. 774-0639
Mfr. Part No.ZCAT1730-0730A
BrandTDK
SGD3.06
Each
units
ZCAT Ferrite Core USB 30 Material - - Yes - 23 Dia. x 30mm 7mm - 1 16.5mm 17.4mm
RS Stock No. 170-3332
Mfr. Part No.ZCAT2436-1330A-BK
BrandTDK
SGD2.523
Each (In a Box of 400)
units
ZCAT Clamp Filter Audio Equipment, Copiers, Digital Telephones, Electronic Musical Instruments, Facsimiles, HDDs, Monitors, PCs, Video Games, Word Processors - - - Yes 30Ω 23.5 Dia. x 36mm 13mm - 1 - 36mm
RS Stock No. 916-4333
Mfr. Part No.ZCAT2436-1330A-BK
BrandTDK
SGD4.59
Each (In a Pack of 2)
units
ZCAT Clamp Filter Audio Equipment, Copiers, Digital Telephones, Electronic Musical Instruments, Facsimiles, HDDs, Monitors, PCs, Video Games, Word Processors - - - Yes 30Ω 23.5 Dia. x 36mm 13mm - 1 - 36mm
RS Stock No. 916-4327
Mfr. Part No.ZCAT2035-0930A-BK
BrandTDK
SGD3.654
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 50Ω 19.5 Dia. x 35mm 9mm - 1 - 35mm
RS Stock No. 170-3331
Mfr. Part No.ZCAT2035-0930A-BK
BrandTDK
SGD1.613
Each (In a Box of 480)
units
ZCAT Clamp Filter Audio Equipment, Copiers, Digital Telephones, Electronic Musical Instruments, Facsimiles, HDDs, Monitors, PCs, Video Games, Word Processors - - - Yes 50Ω 19.5 Dia. x 35mm 9mm - 1 - 35mm
RS Stock No. 109-4166
Mfr. Part No.ZCAT2132-1130
BrandTDK
SGD1.729
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. 774-0645
Mfr. Part No.ZCAT2132-1130
BrandTDK
SGD4.37
Each
units
ZCAT Ferrite Core Suppression Components 30 Material - - - - 36 Dia x 32 mm 11mm - 1 32mm 22mm
RS Stock No. 109-4160
Mfr. Part No.ZCAT3035-1330
BrandTDK
SGD4.32
Each (On a Reel of 200)
units
ZCAT Bead EMC Absorption 30 Material - - - - 34 Dia. x 39mm 13mm - 1 30mm -
RS Stock No. 741-3068
Mfr. Part No.ZCAT3035-1330
BrandTDK
SGD8.17
Each
units
ZCAT Bead EMC Absorption 30 Material - - - - 34 Dia. x 39mm 13mm - 1 30mm -
RS Stock No. 916-4314
Mfr. Part No.ZCAT1518-0730-BK
BrandTDK
SGD1.886
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. 170-3326
Mfr. Part No.ZCAT1518-0730-BK
BrandTDK
SGD0.83
Each (In a Box of 896)
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. 170-3329
Mfr. Part No.ZCAT2132-1130-BK
BrandTDK
SGD2.162
Each (In a Box of 480)
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. 741-3062
Mfr. Part No.ZCAT3618-2630D
BrandTDK
SGD3.50
Each
units
ZCAT Bead EMC Absorption 30 Material - - - - 17.5 Dia. x 33.5mm 26mm - 1 11.5mm -
RS Stock No. 109-4159
Mfr. Part No.ZCAT3618-2630D
BrandTDK
SGD2.143
Each (On a Reel of 480)
units
ZCAT Bead EMC Absorption 30 Material - - - - 17.5 Dia. x 33.5mm 26mm - 1 11.5mm -
RS Stock No. 916-4320
Mfr. Part No.ZCAT2132-1130-BK
BrandTDK
SGD4.372
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