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庫存編號 774-0639
製造零件編號ZCAT1730-0730A
BrandTDK
HK$8.42
單位
ZCAT Ferrite Core USB 30 Material - - Yes - 23 Dia. x 30mm 7mm - 1 16.5mm 17.4mm
RS庫存編號 109-4164
製造零件編號ZCAT1730-0730A
BrandTDK
HK$7.54
個 (在毎卷:840)
單位
ZCAT Ferrite Core USB 30 Material - - Yes - 23 Dia. x 30mm 7mm - 1 16.5mm 17.4mm
RS庫存編號 367-5304
製造零件編號74271132
HK$56.60
單位
STAR-TEC STAR-TEC EMI Suppression 4 W 620 - No Yes 241Ω 36.3 x 24.2 x 19.7mm 7.0 → 8.5mm - 1 24.2mm 19.7mm
RS庫存編號 222-4337
製造零件編號MSFC4-T
BrandRichco
HK$47.18
單位
MSFC Cable Core EMI Suppression A5 Material - - Yes 139 13.2 x 14.3mm 5mm - 1 - 14.3mm
RS庫存編號 109-4167
製造零件編號ZCAT2436-1330A
BrandTDK
HK$15.45
個 (在毎卷:400)
單位
ZCAT Ferrite Core Suppression Components 30 Material - - - - 28 Dia. x 35mm 13mm - 1 19.5mm 17.4mm
RS庫存編號 774-0648
製造零件編號ZCAT2436-1330A
BrandTDK
HK$19.18
單位
ZCAT Ferrite Core Suppression Components 30 Material - - - - 28 Dia. x 35mm 13mm - 1 19.5mm 17.4mm
RS庫存編號 466-9142
製造零件編號0431173951
BrandFair-Rite
HK$9.99
單位
- Round Cable Snap-Its EMI Suppression 31 Material - - Yes 180 12.8 x 5.6 x 25mm 5.1mm - 1 5.6mm 25mm
RS庫存編號 222-4371
製造零件編號MSFC 10-T
BrandRichco
HK$72.38
單位
MSFC Cable Core EMI Suppression A5 - - Yes 223 28 x 29.8mm 10.5mm - 1 - 29.8mm
RS庫存編號 173-0002
製造零件編號0443167251
BrandFair-Rite
HK$31.537
個 (以毎盒:196)
單位
- Round Cable Snap-Its EMI Suppression 43 Material, 44 Material - - Yes 225 22.1 x 11 x 32.3mm 10.15mm - 1 11mm 32.2mm
RS庫存編號 260-6543
製造零件編號7427141
HK$36.11
單位
- Ring Core General Application 4 W 620 - - Yes 97 15.5 x 30 x 36mm 15mm - 1 15.5mm 30mm
RS庫存編號 814-3382
製造零件編號CST26/13/29-4S2F
BrandFERROXCUBE
HK$21.98
單位
- Cable Shield EMI Suppression 4S2 Material - - - - 25.9 Dia. x 28.6mm 12.8mm - 1 - 28.6mm
RS庫存編號 170-3333
製造零件編號ZCAT3035-1330-BK
BrandTDK
HK$16.485
個 (以毎盒:200)
單位
ZCAT Clamp Filter Audio Equipment, Copiers, Digital Telephones, Electronic Musical Instruments, Facsimiles, HDDs, Monitors, PCs, Video Games, Word Processors - - - Yes 80Ω 30 Dia. x 39mm 13mm - 1 - 39mm
RS庫存編號 163-5432
製造零件編號74271221S
HK$45.90
個 (以毎盒:20)
單位
STAR-TEC Snap Ferrite General Application, Safety Relevant Application 4W620 - No Yes 270 42.2 x 33.6 x 29.5mm 10.5mm - 1 33.6mm 29.5mm
RS庫存編號 309-7962
製造零件編號74271221
HK$48.61
單位
STAR-TEC STAR-TEC General Application 4 W 620 - No Yes 270Ω 33.6 x 29.5 x 37.7mm 13mm - - 33.6mm 29.5mm
RS庫存編號 173-0008
製造零件編號0444164181
BrandFair-Rite
HK$45.022
個 (以毎盒:110)
單位
- Round Cable Snap-Its EMI Suppression 43 Material, 44 Material - - Yes - 31 x 15.25 x 39.4mm 13.05mm - 1 15.25mm 39.4mm
RS庫存編號 466-9192
製造零件編號0444164181
BrandFair-Rite
HK$39.34
單位
- Round Cable Snap-Its EMI Suppression 43 Material, 44 Material - - Yes - 31 x 15.25 x 39.4mm 13.05mm - 1 15.25mm 39.4mm
RS庫存編號 916-4336
製造零件編號ZCAT3035-1330-BK
BrandTDK
HK$29.94
/個 (每包:2個)
單位
ZCAT Clamp Filter Audio Equipment, Copiers, Digital Telephones, Electronic Musical Instruments, Facsimiles, HDDs, Monitors, PCs, Video Games, Word Processors - - - Yes 80Ω 30 Dia. x 39mm 13mm - 1 - 39mm
RS庫存編號 815-0002
製造零件編號74271221S
HK$49.75
單位
STAR-TEC Snap Ferrite General Application, Safety Relevant Application 4W620 - No Yes 270 42.2 x 33.6 x 29.5mm 10.5mm - 1 33.6mm 29.5mm
RS庫存編號 171-0801
製造零件編號432703021311
BrandFERROXCUBE
HK$23.53
個 (在毎卷:128)
單位
- Cable Shield EMI Suppression 4S2 Material - - - - - - - - - -
RS庫存編號 116-1487
製造零件編號11.05.1010
BrandRotronic
HK$30.98
單位
EMV Conduit Core EMI Suppression Ferrite - - Yes 100 24.5 x 32 x 23.5mm 10mm - 1 32mm 23.5mm