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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Description Prix Type Dimensions Application Impedance Material Diameter Height Inner Diameter Outer Diameter Outer Dimensions Outer Height Series Aperture Diameter Number of Apertures
N° de stock RS 163-4546
Référence fabricant74270119
0,637 €
Each (In a Tray of 184)
Unité
Toroid Core 22.5 x 13.8 x 6.4mm EMI Suppression - 3 W 800 6.4mm 6.4mm 13.8mm 22.5mm - - - - -
N° de stock RS 170-1377
Référence fabricantB64290L0699X087
MarqueEPCOS
9,433 €
Each (On a Reel of 30)
Unité
Toroid Core 65.3 x 36 x 26.6mm Automotive Electronics, EMC Components, General Electronics - N87 - 26.6mm 36mm 65.3mm - - - - -
N° de stock RS 371-7240
Référence fabricantHF70RH26X29X13
MarqueTDK
4,569 €
Each (In a Pack of 10)
Unité
Cylindrical Core 26 x 13 x 29mm EMI Suppression - HF70 26mm 29mm 13mm 26mm - - - - -
N° de stock RS 170-1376
Référence fabricantB64290L0674X087
MarqueEPCOS
1,66 €
Each (On a Reel of 100)
Unité
Toroid Core 37.5 x 21.7 x 16.2mm Automotive Electronics, EMC Components, General Electronics - N87 - 16.2mm 21.7mm 37.5mm - - - - -