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. 162-0153
Mfr. Part No.B62152A0001X001
BrandEPCOS
TWD36.30
Each (In a Box of 500)
units
B62152 Double Aperture Core Broadband Transformers - - - - - 14.5 x 8.5 x 14.5mm 3.4mm - 2 8.5mm 14.5mm
RS Stock No. 212-0588
Mfr. Part No.B62152A0001X001
BrandEPCOS
TWD75.80
Each (In a Pack of 5)
units
B62152 Double Aperture Core Broadband Transformers - - - - - 14.5 x 8.5 x 14.5mm 3.4mm - 2 8.5mm 14.5mm
RS Stock No. 167-8217
Mfr. Part No.B62152A0007X001
BrandEPCOS
TWD16.60
Each (In a Box of 2000)
units
B62152 Double Aperture Core Broadband Transformers - - - - - 7.25 x 4.2 x 6.2mm 1.7mm - 2 4.2mm 6.2mm
RS Stock No. 212-0594
Mfr. Part No.B62152A0004X001
BrandEPCOS
TWD69.20
Each (In a Pack of 5)
units
B62152 Multi Aperture Core Broadband Transformers - - - - - 14.5 x 8.5 x 8.3mm 3.4mm - - 8.5mm 8.3mm
RS Stock No. 162-0178
Mfr. Part No.B62152A0004X030
BrandEPCOS
TWD15.20
Each (In a Box of 1000)
units
B62152 Double Aperture Core Broadband Transformers N30 - - - - 14.5 x 8.5 x 8.3mm 3.4mm - 2 8.5mm 8.3mm
RS Stock No. 212-0623
Mfr. Part No.B62152A0007X001
BrandEPCOS
TWD34.30
Each (In a Pack of 10)
units
B62152 Double Aperture Core Broadband Transformers - - - - - 7.25 x 4.2 x 6.2mm 1.7mm - 2 4.2mm 6.2mm
RS Stock No. 162-0177
Mfr. Part No.B62152A0004X001
BrandEPCOS
TWD33.90
Each (In a Box of 1000)
units
B62152 Multi Aperture Core Broadband Transformers - - - - - 14.5 x 8.5 x 8.3mm 3.4mm - - 8.5mm 8.3mm
RS Stock No. 212-0617
Mfr. Part No.B62152A0004X030
BrandEPCOS
TWD36.20
Each (In a Pack of 5)
units
B62152 Double Aperture Core Broadband Transformers N30 - - - - 14.5 x 8.5 x 8.3mm 3.4mm - 2 8.5mm 8.3mm