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 788-0143
Tillv. art.nr74270097
VarumärkeWurth Elektronik
74,97 kr
Each
Enheter
Toroid Core 61 x 35.5 x 12.7mm EMI Suppression - 4 W 620 12.7mm 12.7mm 35.5mm 61mm - - - - -
RS-artikelnummer 144-9781
Tillv. art.nr7427009
VarumärkeWurth Elektronik
12,063 kr
Each (In a Tray of 88)
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Ferrite Core 17.5 x 9.5 x 28.5mm General Electronics - 3 W 800 - 28.5mm 9.5mm 17.5mm - - - - -
RS-artikelnummer 124-1533
Tillv. art.nr74270095
VarumärkeWurth Elektronik
41,67 kr
Each (In a Pack of 2)
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EMI Suppression Axial Ferrite Bead 28 x 18 x 28.5mm Coaxial Cable, Multiconductor Wire, Wire-Wrapping Cable, Wires - 4 W 1500 - 28.5mm 18mm 28mm - - - - -
RS-artikelnummer 212-0982
Tillv. art.nrB64290L0674X830
VarumärkeEPCOS
28,23 kr
Each
Enheter
Toroid Core 37.5 (Dia.) x 16.2mm General Electronics - N30 37.5mm 16.2mm 23mm 37.5mm - - - - -
RS-artikelnummer 174-1358
Tillv. art.nrTN10/6/4-3E25
VarumärkeFERROXCUBE
0,991 kr
Each (In a Pack of 10)
Enheter
Toroid Core 10.6 x 5.2 x 4.4mm Choke, Current Regulation, Energy Storage, Transformer - Ferrite - 4.4mm 5.2mm 10.6mm - - - - -
RS-artikelnummer 124-1538
Tillv. art.nr7427009
VarumärkeWurth Elektronik
14,28 kr
Each (In a Pack of 10)
Enheter
Ferrite Core 17.5 x 9.5 x 28.5mm General Electronics - 3 W 800 - 28.5mm 9.5mm 17.5mm - - - - -
RS-artikelnummer 260-6559
Tillv. art.nr7427133
VarumärkeWurth Elektronik
40,12 kr
Each
Enheter
Split Core 32.8 x 16.4 x 13mm General Electronics - 4W620 32.8mm - 16.4mm 32.8mm - - - - -
RS-artikelnummer 167-8296
Tillv. art.nrB64290A0084X830
VarumärkeEPCOS
200,493 kr
Each (In a Box of 12)
Enheter
Ferrite Core 104.8 x 63.7 x 16.3mm Broadband Transformers, Choke, Mixer, Pulse, Transformer - Copper (Plate), Ferrite (Core) - 16.3mm 63.7mm 104.8mm - - - - -
RS-artikelnummer 172-9964
Tillv. art.nr5943000201
VarumärkeFair-Rite
1,171 kr
Each (In a Box of 1000)
Enheter
- 9.5 x 4.75 x 3.3mm - - 43 Material 9.5mm 3.3mm 4.75mm - - - - - -
RS-artikelnummer 212-0976
Tillv. art.nrB64290L0659X830
VarumärkeEPCOS
50,87 kr
Each
Enheter
Toroid Core 41.8 (Dia.) x 17.2mm - - N30 41.8mm 17.02mm 22.5mm 41.8mm - - - - -
RS-artikelnummer 482-6632
Tillv. art.nr2643200101
VarumärkeFair-Rite
1,117 kr
Each (In a Pack of 25)
Enheter
Bead 5.1 x 1.45 x 3.4mm Suppression Components - 43 Material 5.1mm 3.4mm 1.45mm 5.1mm - - - - -
RS-artikelnummer 212-0926
Tillv. art.nrB64290L0618X830
VarumärkeEPCOS
11,25 kr
Each (In a Pack of 5)
Enheter
Toroid Core 26.6 (Dia.) x 11mm General Electronics - N30 26.8mm 11mm 13.5mm 26.6mm - - - - -
RS-artikelnummer 212-0881
Tillv. art.nrB64290L0082X830
VarumärkeEPCOS
88,41 kr
Each
Enheter
Toroid Core 50 (Dia.) x 20mm General Electronics - N30 51.8mm 20mm 28.5mm 51.8mm - - - - -
RS-artikelnummer 212-0718
Tillv. art.nrB64290A0084X830
VarumärkeEPCOS
206,80 kr
Each
Enheter
Ferrite Core 104.8 x 63.7 x 16.3mm Broadband Transformers, Choke, Mixer, Pulse, Transformer - Copper (Plate), Ferrite (Core) - 16.3mm 63.7mm 104.8mm - - - - -
RS-artikelnummer 870-9039
Tillv. art.nrB-20L-44
VarumärkeKEMET
0,912 kr
Each (In a Pack of 500)
Enheter
Bead Core 4.4 x 1.6 x 7mm General Electronics, Round Cable - Ferrite 4.4mm 7mm 1.6mm 4.4mm - - - - -
RS-artikelnummer 172-9988
Tillv. art.nr2643540402
VarumärkeFair-Rite
10,364 kr
Each (In a Box of 94)
Enheter
Round Cable Core 14.3 x 7.25 x 28.6mm Suppression Components - 43 Material 14.3mm 28.6mm 7.25mm 14.3mm - - - - -
RS-artikelnummer 136-8983
VarumärkeRS PRO
71,408 kr
Each (In a Tray of 90)
Enheter
Ferrite Ring 50 x 30 x 21.1mm - - K 4000 21.1mm 21.1mm 30mm 50mm - - - - -
RS-artikelnummer 167-8376
Tillv. art.nrB64290L0618X035
VarumärkeEPCOS
8,46 kr
Each (In a Box of 500)
Enheter
Ferrite Core 25.3 (Dia.) x 14.8 x 10mm - - T35 25.3mm 10mm 14.8mm 25.3mm - - - - -
RS-artikelnummer 811-9045
Tillv. art.nrESD-R-25D-8
VarumärkeKEMET
8,496 kr
Each (In a Bag of 5)
Enheter
Ferrite Core - Consumer Electronics - Ferrite - - - - 25 Dia. x 8mm - 8mm ESD-R Toroidal Cores 15mm
RS-artikelnummer 260-6739
Tillv. art.nr7427015
VarumärkeWurth Elektronik
39,50 kr
Each
Enheter
Toroid Core 40.6 27.4 (Dia.) x 15mm General Electronics - 4W620 40.6mm 15mm 27.4mm 40.6mm - - - - -
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