Ferrite Rings

Ferrite rings are toroidal (doughnut) shaped, or cylindrical shaped pieces of ferrite (a ceramic compound).
What do they do?
Ferrite rings help to protect against EMI (electromagnetic interference) and RFI (radio frequency interference). They prevent interference moving to a device or from a device.
How do they work?
Ferrite rings can suppress noise without grounding. Ferrites are able to attract magnetic flux. When a cable is passed through the ring, the magnetic fields created by the cable are concentrated within the ferrite ring. This magnetic energy is converted to heat and the ferrite dissipates this by magnetic loss.
How are they used?
Ferrite rings can often be seen with cables threaded through them. They are common place in electronics to help with noise suppression. The cable can also be wrapped about the ferrite ring numerous times. Ferrite rings can be incorporated into broadband transformers, pulse transformers and common mode chokes.

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Beskrivning Pris Type Dimensions Application Impedance Material Diameter Height Inner Diameter Outer Diameter Outer Dimensions Inner Dimensions Outer Height Series Aperture Diameter
RS-artikelnummer 125-3315
Tillv. art.nrB64290L0618X027
VarumärkeEPCOS
8,003 kr
Each (In a Pack of 10)
Enheter
Toroid Core 26.6 x 13.5 x 11mm Automotive Electronics, EMC Components, General Electronics - N37 - 11mm 13.5mm 26.6mm - - - - -
RS-artikelnummer 788-0222
Tillv. art.nr74270182
VarumärkeWurth Elektronik
26,06 kr
Each
Enheter
Toroid Core 18.6 x 10.2 x 10mm EMI Suppression - 4 W 1500 10mm 10mm 10.2mm 18.6mm - - - - -
RS-artikelnummer 811-8979
Tillv. art.nrESD-R-14A
VarumärkeKEMET
2,292 kr
Each (In a Bag of 10)
Enheter
Ferrite Core - Consumer Electronics - Ferrite - - - - 15 Dia. x 3.5mm - 3.5mm ESD-R Toroidal Cores 6.2mm
RS-artikelnummer 163-3133
Tillv. art.nr74270104
VarumärkeWurth Elektronik
12,767 kr
Each (In a Tray of 63)
Enheter
Toroid Core 31.7 (Dia.) x 8mm General Electronics - 4W620 31.7mm 8mm - 31.7mm - - - - -
RS-artikelnummer 467-2700
Tillv. art.nr2643480002
VarumärkeFair-Rite
7,197 kr
Each (In a Pack of 10)
Enheter
Round Cable Core 12.3 x 4.95 x 25.4mm Suppression Components - 43 Material 12.3mm 25.4mm 4.95mm 12.3mm - - - - -
RS-artikelnummer 169-6787
Tillv. art.nrESD-R-57
VarumärkeKEMET
108,122 kr
Each (In a Box of 60)
Enheter
Toroid Core 61 x 32.4 x 24mm Consumer Electronics - Manganese-Zinc - 24mm 32.4mm 61mm - - - - -
RS-artikelnummer 811-8963
Tillv. art.nrESD-R-12E
VarumärkeKEMET
3,04 kr
Each (In a Bag of 5)
Enheter
Ferrite Core - Consumer Electronics - Ferrite - - - - 11.8 Dia. x 8mm - 8mm ESD-R Toroidal Cores 7.3mm
RS-artikelnummer 177-4624
Tillv. art.nr2675821502
VarumärkeFair-Rite
18,268 kr
Each (In a Box of 371)
Enheter
- - - - - - - - - - - - - -
RS-artikelnummer 212-0825
Tillv. art.nrB64290L0044X038
VarumärkeEPCOS
1,368 kr
Each (In a Pack of 5)
Enheter
Ferrite Core 13.6 (Dia.) x 5.95mm - - T38 13.6mm 5.95mm 6.5mm 12.5mm - - - - -
RS-artikelnummer 125-3322
Tillv. art.nrB64290L0699X087
VarumärkeEPCOS
150,45 kr
Each
Enheter
Toroid Core 65.3 x 36 x 26.6mm Automotive Electronics, EMC Components, General Electronics - N87 - 26.6mm 36mm 65.3mm - - - - -
RS-artikelnummer 151-2772
Tillv. art.nr2675023002
VarumärkeFair-Rite
8,313 kr
Each (In a Pack of 10)
Enheter
Round Cable Core 9.5 x 5.1 x 19mm EMI Suppression 17 Ω @ 200 KHz 75 Material 9.5mm 19mm 5.1mm 9.5mm - - - - -
RS-artikelnummer 167-0407
Tillv. art.nrB64290L0044X830
VarumärkeEPCOS
1 831,73 kr
1 Box of 1500
Låda(or)
Ferrite Core 13.6 (Dia.) x 5.95mm - - N30 13.6mm 5.95mm 6.5mm 13.6mm - - - - -
RS-artikelnummer 212-0774
Tillv. art.nrB64290P0037X830
VarumärkeEPCOS
1,512 kr
Each (In a Pack of 5)
Enheter
Ferrite Core 6.3 (Dia.) x 2.5mm General Electronics - N30 6.3mm 2.5mm - 6.3mm - - - - -
RS-artikelnummer 169-6772
Tillv. art.nrESD-R-14C
VarumärkeKEMET
1,004 kr
Each (In a Box of 6000)
Enheter
Ferrite Core - Consumer Electronics - Ferrite - - - - - - - - -
RS-artikelnummer 788-0187
Tillv. art.nr74270119
VarumärkeWurth Elektronik
9,224 kr
Each (In a Bag of 5)
Enheter
Toroid Core 22.5 x 13.8 x 6.4mm EMI Suppression - 3 W 800 6.4mm 6.4mm 13.8mm 22.5mm - - - - -
RS-artikelnummer 257-4547
Tillv. art.nrRRH180-100-290-K5B
VarumärkeRichco
20,70 kr
Each (In a Pack of 5)
Enheter
Ferrite Core 18 x 10 x 29mm CATV, MATV, Wire Assembly - K5B 18mm 29mm 10mm 18mm - - - - -
Nytt
RS-artikelnummer 371-7240
Tillv. art.nrHF70RH26X29X13
VarumärkeTDK
42,42 kr
Each (In a Pack of 10)
Enheter
Cylindrical Core 26 x 13 x 29mm EMI Suppression - HF70 26mm 29mm 13mm 26mm - - - - -
RS-artikelnummer 265-1773
Tillv. art.nrRI 12 8 15
VarumärkeRichco
39,71 kr
Each
Enheter
Ferrite Core 12 (Dia.) x 15mm VE/CD - Ferrite 12mm 15mm 8mm 12mm - - - - -
RS-artikelnummer 163-4548
Tillv. art.nr74270121
VarumärkeWurth Elektronik
16,922 kr
Each (In a Tray of 126)
Enheter
Toroid Core 19 x 11.5 x 8mm EMI Suppression - 4 W 620 8mm 8mm 11.5mm 19mm - - - - -
RS-artikelnummer 124-1545
Tillv. art.nr7427010
VarumärkeWurth Elektronik
10,743 kr
Each (In a Pack of 10)
Enheter
Toroid Core 16.5 x 8 x 13mm General Electronics - 4 W 620 16.5mm 13mm 8mm 16.5mm - - - - -
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