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. 774-0648
Mfr. Part No.ZCAT2436-1330A
BrandTDK
SGD6.59
Each
units
ZCAT Ferrite Core Suppression Components 30 Material 175Ω No Yes 320Ω 28 Dia. x 35mm 13mm - 1 19.5mm 17.4mm
RS Stock No. 109-4167
Mfr. Part No.ZCAT2436-1330A
BrandTDK
SGD3.099
Each (On a Reel of 400)
units
ZCAT Ferrite Core Suppression Components 30 Material 30Ω No Yes 100Ω 28 Dia. x 35mm 13mm - 1 19.5mm 17.4mm
RS Stock No. 774-0639
Mfr. Part No.ZCAT1730-0730A
BrandTDK
SGD3.38
Each
units
ZCAT Ferrite Core USB 30 Material 55Ω No Yes 110Ω 23 Dia. x 30mm 7mm - 1 16.5mm 17.4mm
RS Stock No. 774-0632
Mfr. Part No.ZCAT1325-0530A
BrandTDK
SGD2.08
Each
units
ZCAT Ferrite Core Suppression Components 30 Material 28Ω No Yes 100Ω 20 Dia. x 25mm 5mm - 1 12.8mm 11.2mm
RS Stock No. 109-4162
Mfr. Part No.ZCAT1325-0530A
BrandTDK
SGD0.857
Each (On a Reel of 1344)
units
ZCAT Ferrite Core Suppression Components 30 Material 50Ω No Yes 50Ω 20 Dia. x 25mm 5mm - 1 12.8mm 11.2mm
RS Stock No. 109-4164
Mfr. Part No.ZCAT1730-0730A
BrandTDK
SGD1.486
Each (On a Reel of 840)
units
ZCAT Ferrite Core USB 30 Material 40Ω No Yes 100Ω 23 Dia. x 30mm 7mm - 1 16.5mm 17.4mm
RS Stock No. 170-3332
Mfr. Part No.ZCAT2436-1330A-BK
BrandTDK
SGD3.174
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 Ferrite 30Ω No Yes 80Ω 23.5 Dia. x 36mm 13mm - 1 - 36mm
RS Stock No. 916-4333
Mfr. Part No.ZCAT2436-1330A-BK
BrandTDK
SGD5.75
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 - 41Ω No Yes 74Ω 23.5 Dia. x 36mm 13mm - 1 - 36mm
RS Stock No. 916-4327
Mfr. Part No.ZCAT2035-0930A-BK
BrandTDK
SGD4.024
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 - 195Ω No Yes 340Ω 19.5 Dia. x 35mm 9mm - 1 - 35mm
RS Stock No. 170-3331
Mfr. Part No.ZCAT2035-0930A-BK
BrandTDK
SGD1.982
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 Ferrite 50Ω No Yes 100Ω 19.5 Dia. x 35mm 9mm - 1 - 35mm
RS Stock No. 109-4166
Mfr. Part No.ZCAT2132-1130
BrandTDK
SGD2.298
Each (On a Reel of 480)
units
ZCAT Ferrite Core Suppression Components 30 Material 40Ω No Yes 80Ω 36 Dia x 32mm 11mm - 1 32mm 22mm
RS Stock No. 774-0645
Mfr. Part No.ZCAT2132-1130
BrandTDK
SGD4.98
Each
units
ZCAT Ferrite Core Suppression Components 30 Material 175Ω No Yes 320Ω 36 Dia x 32mm 11mm - 1 32mm 22mm
RS Stock No. 916-4314
Mfr. Part No.ZCAT1518-0730-BK
BrandTDK
SGD2.052
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 - 64Ω No Yes 119Ω 15 Dia. x 22mm 7mm - 1 - 22mm
RS Stock No. 170-3326
Mfr. Part No.ZCAT1518-0730-BK
BrandTDK
SGD0.97
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 Ferrite 25Ω No Yes 50Ω 15 Dia. x 22mm 7mm - 1 - 22mm
RS Stock No. 109-4160
Mfr. Part No.ZCAT3035-1330
BrandTDK
SGD4.635
Each (On a Reel of 200)
units
ZCAT Bead EMC Absorption 30 Material 80Ω No Yes 100Ω 34 Dia. x 39mm 13mm - 1 30mm -
RS Stock No. 741-3068
Mfr. Part No.ZCAT3035-1330
BrandTDK
SGD11.06
Each
units
ZCAT Bead EMC Absorption 30 Material 70Ω No Yes 130Ω 34 Dia. x 39mm 13mm - 1 30mm -
RS Stock No. 916-4320
Mfr. Part No.ZCAT2132-1130-BK
BrandTDK
SGD5.178
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 - 35Ω No Yes 140Ω 20.5 Dia. x 36mm 11mm - 1 - 36mm
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 Ferrite 40Ω No Yes 80Ω 20.5 Dia. x 36mm 11mm - 1 - 36mm
RS Stock No. 109-4159
Mfr. Part No.ZCAT3618-2630D
BrandTDK
SGD2.202
Each (On a Reel of 480)
units
ZCAT Bead EMC Absorption 30 Material - No Yes 150Ω 17.5 Dia. x 33.5mm 26mm 30Ω 1 11.5mm -
RS Stock No. 741-3062
Mfr. Part No.ZCAT3618-2630D
BrandTDK
SGD4.41
Each
units
ZCAT Bead EMC Absorption 30 Material 30Ω No Yes 80Ω 17.5 Dia. x 33.5mm 26mm 30Ω 1 11.5mm -