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. 123-2479
BrandRS PRO
SGD2.515
Each (In a Pack of 2)
units
- Clamp Filter Computer Peripherals, Digital TV, Internal & External Power Cables, Monitors, Printers Ferrite 55 - Yes 95Ω 15 Dia. x 25.2mm 4mm - 1 25.2 -
RS Stock No. 123-2483
BrandRS PRO
SGD2.195
Each (In a Pack of 2)
units
- Clamp Filter Computer Peripherals, Digital TV, Internal & External Power Cables, Monitors, Printers Ferrite 120 - Yes 200Ω 20.5 x 33 x 20mm 6.5mm - 1 33mm 20mm
RS Stock No. 123-2481
BrandRS PRO
SGD2.315
Each (In a Pack of 2)
units
- Clamp Filter Computer Peripherals, Digital TV, Internal & External Power Cables, Monitors, Printers Ferrite 70 - Yes 120Ω 15 x 23 x 14mm 5.2mm - 1 23mm 14mm
RS Stock No. 123-2485
BrandRS PRO
SGD1.985
Each (In a Pack of 2)
units
- Clamp Filter Computer Peripherals, Digital TV, Internal & External Power Cables, Monitors, Printers Ferrite 80 - Yes 135Ω 17 x 30 x 15mm 7mm - 1 30mm 15mm
RS Stock No. 123-2482
BrandRS PRO
SGD2.485
Each (In a Pack of 2)
units
- Clamp Filter Computer Peripherals, Digital TV, Internal & External Power Cables, Monitors, Printers Ferrite 60 - Yes 100Ω 13 x 25.5 x 11.8mm 5.2mm - 1 25.5mm 11.8mm
RS Stock No. 136-9029
BrandRS PRO
SGD3.87
Each (In a Pack of 5)
units
- - - - - - - 200Ω - - - - - -
RS Stock No. 123-2498
BrandRS PRO
SGD4.15
Each (In a Pack of 2)
units
- Clamp Filter Computer Peripherals, Digital TV, Internal & External Power Cables, Monitors, Printers Ferrite 80 - Yes 130Ω 30.5 Dia. x 39.5mm 13mm - 1 39.5mm -
RS Stock No. 124-9621
BrandRS PRO
SGD4.048
Each (In a Pack of 5)
units
- - EMI Suppression Nickel Zinc 125Ω - - 270Ω - - - - - -
RS Stock No. 123-2488
BrandRS PRO
SGD2.525
Each (In a Pack of 2)
units
- Clamp Filter Computer Peripherals, Digital TV, Internal & External Power Cables, Monitors, Printers Ferrite 50 - Yes 110Ω 19.5 Dia. x 23mm 8.1mm - 1 23mm -
RS Stock No. 123-2490
BrandRS PRO
SGD2.735
Each (In a Pack of 2)
units
- Clamp Filter Computer Peripherals, Digital TV, Internal & External Power Cables, Monitors, Printers Ferrite 80 - Yes 130Ω 19.5 x 35 x 18mm 9mm - 1 35mm 18mm
RS Stock No. 136-9027
BrandRS PRO
SGD4.56
Each (In a Pack of 2)
units
- - - - - - - 175Ω - - - - - -
RS Stock No. 123-2499
BrandRS PRO
SGD3.94
Each (In a Pack of 2)
units
- Clamp Filter Computer Peripherals, Digital TV, Internal & External Power Cables, Monitors, Printers Ferrite 30 - Yes 70Ω 29 Dia. x 33mm 15mm - 1 33mm -
RS Stock No. 136-9025
BrandRS PRO
SGD7.01
Each
units
- - - - - - - 175Ω - - - - - -
RS Stock No. 123-2493
BrandRS PRO
SGD1.855
Each (In a Pack of 2)
units
- Clamp Filter Computer Peripherals, Digital TV, Internal & External Power Cables, Monitors, Printers Ferrite 35 - Yes 75Ω 24.5 Dia. x 28.5mm 10.2mm - 1 28.5mm -
RS Stock No. 123-2484
BrandRS PRO
SGD2.465
Each (In a Pack of 2)
units
- Clamp Filter Computer Peripherals, Digital TV, Internal & External Power Cables, Monitors, Printers Ferrite 40 - Yes 75Ω 14 Dia. x 22mm 7mm - 1 22mm -
RS Stock No. 123-2489
BrandRS PRO
SGD2.735
Each (In a Pack of 2)
units
- Clamp Filter Computer Peripherals, Digital TV, Internal & External Power Cables, Monitors, Printers Ferrite 80 - Yes 120Ω 19.5 Dia. x 35.5mm 9mm - 1 35.5mm -
RS Stock No. 136-9031
BrandRS PRO
SGD3.775
Each (In a Pack of 2)
units
- - - - - - - 75Ω - - - - - -
RS Stock No. 136-9030
BrandRS PRO
SGD3.214
Each (In a Pack of 5)
units
- Ferrite Sleeve Suppress High Frequency Noise - 75Ω - - 140Ω 10.5 Dia. x 20mm 10.5mm - 1 - -
RS Stock No. 124-9620
BrandRS PRO
SGD3.566
Each (In a Pack of 5)
units
- - EMI Suppression Nickel Zinc 128Ω - - 268Ω - - - - - -
RS Stock No. 123-2491
BrandRS PRO
SGD3.135
Each (In a Pack of 2)
units
- Clamp Filter Computer Peripherals, Digital TV, Internal & External Power Cables, Monitors, Printers Ferrite 105 - Yes 190Ω 22.5 Dia. x 43mm 9.5mm - 1 43mm -
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