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 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 Outer Width
RS Stock No. 123-2482
BrandRS PRO
PHP124.735
Each (In a Pack of 2)
units
- Clamp Filter Ferrite 176Ω No Yes 246Ω 13 x 25.5 x 11.8mm 5.2mm - 1 25.5mm 11.8mm 13mm
RS Stock No. 123-2480
BrandRS PRO
PHP100.82
Each (In a Pack of 2)
units
- Clamp Filter Ferrite 180Ω No Yes 320Ω 16.5 Dia. x 29.5mm 5.2mm - 1 29.5mm - 16.5mm
RS Stock No. 123-2481
BrandRS PRO
PHP98.27
Each (In a Pack of 2)
units
- Clamp Filter Ferrite 175Ω No Yes 321Ω 15 x 23 x 14mm 5.2mm - 1 23mm 14mm 15mm
RS Stock No. 123-2498
BrandRS PRO
PHP196.87
Each (In a Pack of 2)
units
- Clamp Filter Ferrite 144Ω No Yes 310Ω 30.5 Dia. x 39.5mm 13mm - 1 39.5mm - 30.5mm
RS Stock No. 123-2489
BrandRS PRO
PHP136.585
Each (In a Pack of 2)
units
- Clamp Filter Ferrite 223Ω No Yes 525Ω 19.5 Dia. x 35.5mm 9mm - 1 35.5mm - 19.5mm
RS Stock No. 123-2483
BrandRS PRO
PHP134.995
Each (In a Pack of 2)
units
- Clamp Filter Ferrite 145Ω No Yes 270Ω 20.5 x 33 x 20mm 6.5mm - 1 33mm 20mm 20.5mm
RS Stock No. 136-9030
BrandRS PRO
PHP71.468
Each (In a Pack of 5)
units
- Ferrite Sleeve Nickel Zinc 64Ω No No 140Ω 10.5 Dia. x 20mm 10.5mm - 1 - - 5.2mm
RS Stock No. 136-9026
BrandRS PRO
PHP61.10
Each (In a Pack of 5)
units
- - Nickel Zinc 98Ω No No 114Ω 16 Dia. ´ 28mm 9mm - 1 - - -
RS Stock No. 123-2479
BrandRS PRO
PHP107.205
Each (In a Pack of 2)
units
- Clamp Filter Ferrite 28Ω No Yes 350Ω 15 Dia. x 25.2mm 4mm - 1 25.2mm - 15mm
RS Stock No. 123-2486
BrandRS PRO
PHP160.12
Each (In a Pack of 2)
units
- Clamp Filter Ferrite 55Ω No Yes 100Ω 21 Dia. x 39mm 7.5mm - 1 39mm - 21mm
RS Stock No. 136-9025
BrandRS PRO
PHP315.15
Each
units
- - Nickel Zinc 218Ω No No 182Ω 18.5 Dia. ´ 28.57mm 10mm - 1 - - -
RS Stock No. 123-2493
BrandRS PRO
PHP118.135
Each (In a Pack of 2)
units
- Clamp Filter Ferrite 306Ω No Yes 140Ω 24.5 Dia. x 28.5mm 10.2mm - 1 28.5mm - 24.5mm
RS Stock No. 123-2490
BrandRS PRO
PHP136.35
Each (In a Pack of 2)
units
- Clamp Filter Ferrite 306Ω No Yes 417Ω 19.5 x 35 x 18mm 9mm - 1 35mm 18mm 19.5mm
RS Stock No. 136-9024
BrandRS PRO
PHP57.005
Each (In a Pack of 10)
units
- EMI Suppression Nickel Zinc 225Ω No No 375Ω 12 (Dia.) x 30mm 5.3mm - 1 30mm - 12mm
RS Stock No. 136-9029
BrandRS PRO
PHP112.036
Each (In a Pack of 5)
units
- - Nickel Zinc 64Ω No No 119Ω 14.27 Dia. ´ 28.57mm 6.35mm - 1 - - -
RS Stock No. 123-2497
BrandRS PRO
PHP194.835
Each (In a Pack of 2)
units
- Clamp Filter Ferrite 163Ω No Yes 240Ω 23.5 x 36 x 22.5mm 13mm - 1 36mm 22.5mm 23.5mm
RS Stock No. 123-2495
BrandRS PRO
PHP202.765
Each (In a Pack of 2)
units
- Clamp Filter Ferrite 169Ω No Yes 260Ω 28 Dia. x 32mm 11.5mm - 1 32mm - 28mm
RS Stock No. 123-2488
BrandRS PRO
PHP125.225
Each (In a Pack of 2)
units
- Clamp Filter Ferrite 223Ω No Yes 417Ω 19.5 Dia. x 23mm 8.1mm - 1 23mm - 19.5mm
RS Stock No. 123-2487
BrandRS PRO
PHP114.01
Each (In a Pack of 2)
units
- Clamp Filter Ferrite 28Ω No Yes 417Ω 19.5 Dia. x 23mm 8.1mm - 1 23mm - 19.5mm
RS Stock No. 136-9031
BrandRS PRO
PHP127.75
Each (In a Pack of 2)
units
- - Nickel Zinc 35Ω No No 140Ω 12.7 Dia. ´ 12.7mm 7.92mm - 1 - - -