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 467-5074
Tillv. art.nr2643665702
VarumärkeFair-Rite
15,20 kr
Each (In a Pack of 5)
Enheter
Round Cable Core 17.45 x 9.5 x 28.6mm Suppression Components - 43 Material 17.45mm 28.6mm 9.5mm 17.45mm - - - - -
RS-artikelnummer 788-0204
Tillv. art.nr742701707
VarumärkeWurth Elektronik
12,056 kr
Each (In a Bag of 5)
Enheter
Toroid Core 20 x 10 x 10mm EMI Suppression - 7 W 850 10mm 10mm 10mm 20mm - - - - -
RS-artikelnummer 125-3311
Tillv. art.nrB64290L0045X038
VarumärkeEPCOS
4,864 kr
Each (In a Pack of 25)
Enheter
Toroid Core 17.2 x 8.5 x 7.3mm Automotive Electronics, EMC Components, General Electronics - T38 - 7.3mm 8.5mm 17.2mm - - - - -
RS-artikelnummer 467-3602
Tillv. art.nr2843010302
VarumärkeFair-Rite
11,312 kr
Each (In a Pack of 5)
Enheter
Multi Aperture Core 9.5 x 4.75 x 19.45mm Suppression Components - 43 Material - 19.45mm 4.75mm 9.5mm - - - - -
RS-artikelnummer 261-8912
Tillv. art.nrTR 14.5 10 8
VarumärkeRichco
16,85 kr
Each
Enheter
Toroid Core 14.5 x 10.2 x 8mm - - Ferrite - 8mm 10.2mm 14.5mm - - - - -
RS-artikelnummer 617-1259
Tillv. art.nr74270057
VarumärkeWurth Elektronik
54,29 kr
Each
Enheter
Ferrite Core 19 (Dia.) x 50.8mm General Electronics - Ferrite - 50.8mm 11.5mm 19mm - - - - -
RS-artikelnummer 261-9000
Tillv. art.nrRI 18 10 28
VarumärkeRichco
24,82 kr
Each
Enheter
Ferrite Core 17.5 (Dia.) x 28.5mm VE/CD - Ferrite 17.5mm 28.5mm 10mm 17.5mm - - - - -
RS-artikelnummer 136-8984
VarumärkeRS PRO
60,476 kr
Each (In a Tray of 90)
Enheter
Ferrite Ring 58.3 x 40.8 x 18.6mm - - K 4000 18.6mm 18.6mm 40.8mm 58.3mm - - - - -
RS-artikelnummer 163-3198
Tillv. art.nr74270071
VarumärkeWurth Elektronik
4,481 kr
Each (In a Bag of 500)
Enheter
EMI Suppression 3.5 x 1.2 x 3mm - - Ferrite, Nickel Zinc - 3mm 1.2mm 3.5mm - - - - -
RS-artikelnummer 878-1029
Tillv. art.nrHF70RH12.3X20X7
VarumärkeTDK
4,22 kr
Each (In a Box of 100)
Enheter
EMI Suppression 12.3 x 7 x 20mm Audio Equipment, Automotive, EMI Absorption, Imaging Devices, Office Automation Equipment, Penetrating Noise Absorption, Prevent Parasitic Oscillation, Telecom - Nickel Zinc 12.3mm 20mm 7mm 12.3mm - - - - -
RS-artikelnummer 167-0319
Tillv. art.nrB64290L0038X830
VarumärkeEPCOS
2 534,85 kr
1 Box of 3000
Låda(or)
Ferrite Core 10.8 (Dia.) x 4.75mm - - N30 10.8mm 4.75mm 5.05mm 10.8mm - - - - -
RS-artikelnummer 151-2727
Tillv. art.nr2675540002
VarumärkeFair-Rite
8,79 kr
Each (In a Tray of 376)
Enheter
Round Cable Core 14.3 x 6.35 x 28.6mm EMI Suppression 30 Ω @ 200 KHz 75 Material 14.3mm 28.6mm 6.35mm 14.3mm - - - - -
RS-artikelnummer 467-2996
Tillv. art.nr2643803802
VarumärkeFair-Rite
101,44 kr
Each
Enheter
Round Cable Core 61 x 35.55 x 12.7mm EMI Suppression - 43 Material 61mm 12.7mm 35.55mm 61mm - - - - -
RS-artikelnummer 482-6654
Tillv. art.nr2643001301
VarumärkeFair-Rite
1,63 kr
Each (In a Pack of 25)
Enheter
Bead 3.55 x 1.65 x 5.95mm Suppression Components - 43 Material 3.55mm 5.95mm 1.65mm 3.55mm - - - - -
RS-artikelnummer 257-4430
Tillv. art.nrRT205-102-100-K5B
VarumärkeRichco
11,912 kr
Each (In a Pack of 5)
Enheter
Toroid Core 20.5 (Dia.) x 10mm Multi-Turn Suppression Core - K5B 20.5mm 10mm 10.2mm 20.5mm - - - - -
RS-artikelnummer 466-9940
Tillv. art.nr2643023402
VarumärkeFair-Rite
2,978 kr
Each (In a Pack of 50)
Enheter
Bead 9.5 x 4.75 x 15.9mm Suppression Components - 43 Material 9.5mm 15.9mm 4.75mm 9.5mm - - - - -
RS-artikelnummer 167-8377
Tillv. art.nrB64290L0632X035
VarumärkeEPCOS
5,579 kr
Each (In a Box of 1000)
Enheter
Toroid Core 21.2 (Dia.) x 8.1mm General Electronics - T35 - 8.1mm 8.95mm 21.2mm - - - - -
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 163-4557
Tillv. art.nr74270182
VarumärkeWurth Elektronik
19,963 kr
Each (In a Tray of 126)
Enheter
Toroid Core 18.6 x 10.2 x 10mm EMI Suppression - 4 W 1500 10mm 10mm 10.2mm 18.6mm - - - - -
RS-artikelnummer 171-0800
Tillv. art.nr433003080271
VarumärkeFERROXCUBE
12,869 kr
Each (On a Reel of 140)
Enheter
Ring Core 36.25 x 22.75 x 15.6mm Interference Suppression Coil, Pulse and Wide Band Transformers - 3E10 Material 36.25mm 15.6mm 22.75mm 36.25mm - - - - -
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