Ferrite Rings

Ferrite rings are toroidal (doughnut) shaped, or cylindrical shaped pieces of ferrite (a ceramic compound).

What do ferrite rings do?

Ferrite rings help to protect against Electromagnetic Interference) (EMI) and Radio Frequency interference (RFI). They prevent interference moving to a device or from a device

How do ferrite rings 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 ferrite rings 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.

Applications

Digital Audio systems
Computers
Sensitive electrical equipment

233 Products showing for Ferrite Rings

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TDK Ferrite Ring EMI Suppression Toroid Core, For: Round Cable, 31 x 19 x 13mm RS Stock No.: 644-1788 Mfr. Part No.: HF70T31X13X19 Datasheets: MYR8.938 Each (In a Pack of 5)	TDK	EMI Suppression Toroid Core	31 x 19 x 13mm	Round Cable	-	HF70	31mm	13mm	19mm	31mm
Fair-Rite Ferrite Ring Toroid Core, For: Inductive Component, 154.2 (Dia.) x 19.05mm RS Stock No.: 495-6317 Mfr. Part No.: 5978008001 Datasheets: MYR397.46 Each	Fair-Rite	Toroid Core	154.2 (Dia.) x 19.05mm	Inductive Component	-	78 Material	154.02mm	19.05mm	68.6mm	154.02mm
Wurth Elektronik Ferrite Ring Toroid Core, For: EMI Suppression, 25 x 15 x 12mm RS Stock No.: 788-0200 Mfr. Part No.: 742701703 Datasheets: MYR8.55 Each	Wurth Elektronik	Toroid Core	25 x 15 x 12mm	EMI Suppression	-	7 W 380	12mm	12mm	15mm	12mm
Fair-Rite Ferrite Ring Toroid Core, For: Broadband Transformers, 9.5(Dia.) x 3.3mm RS Stock No.: 467-4093 Mfr. Part No.: 5943000201 Datasheets: MYR0.609 Each (In a Pack of 25)	Fair-Rite	Toroid Core	9.5(Dia.) x 3.3mm	Broadband Transformers	-	43 Material	9.5mm	3.3mm	4.75mm	9.5mm
KEMET Ferrite Ring Ferrite Core, For: Consumer Electronics RS Stock No.: 811-8991 Mfr. Part No.: ESD-R-15C-1 Datasheets: MYR2.414 Each (In a Bag of 5)	KEMET	Ferrite Core	-	Consumer Electronics	-	Ferrite	-	-	-	-
Wurth Elektronik Ferrite Ring EMI Suppression Axial Ferrite Bead, For: Coaxial Cable, Multiconductor Wire, Wires, RS Stock No.: 124-1549 Mfr. Part No.: 74270043 Datasheets: MYR6.878 Each (In a Pack of 5)	Wurth Elektronik	EMI Suppression Axial Ferrite Bead	15.5 x 7.3 x 28.5mm	Coaxial Cable, Multiconductor Wire, Wires, Wire-Wrapping Cable	-	3 W 800	-	28.5mm	7.3mm	15.5mm
Wurth Elektronik Ferrite Ring Toroid Core, For: EMI Suppression, 17.5 x 10.7 x 12.7mm RS Stock No.: 788-0229 Mfr. Part No.: 74270181 Datasheets: MYR5.454 Each (In a Bag of 5)	Wurth Elektronik	Toroid Core	17.5 x 10.7 x 12.7mm	EMI Suppression	-	4 W 1500	12.7mm	12.7mm	10.7mm	12.7mm
Wurth Elektronik Ferrite Ring Toroid Core, For: EMI Suppression, 9 x 5 x 8mm RS Stock No.: 788-0178P Mfr. Part No.: 74270112 Datasheets: MYR3.268 Each (Supplied in a Bag)	Wurth Elektronik	Toroid Core	9 x 5 x 8mm	EMI Suppression	-	4 W 620	8mm	8mm	5mm	8mm
EPCOS Ferrite Ring Toroid Core, For: Broadband Transformer, Choke, Mixer, Pulse Transformer, 41.8 (Dia.) x 17.2mm RS Stock No.: 212-0976P Mfr. Part No.: B64290L0659X830 Datasheets: MYR35.10 Each (Supplied in a Box)	EPCOS	Toroid Core	41.8 (Dia.) x 17.2mm	Broadband Transformer, Choke, Mixer, Pulse Transformer	-	N30	41.8mm	17.2mm	22.5mm	41.8mm
Fair-Rite Ferrite Bead Toroid Core, For: Inductive Component, 61 (Dia.) x 12.7mm RS Stock No.: 467-4172 Mfr. Part No.: 5943003801 Datasheets: MYR47.82 Each	Fair-Rite	Toroid Core	61 (Dia.) x 12.7mm	Inductive Component	-	43 Material	61mm	12.7mm	35.55mm	61mm
Wurth Elektronik Ferrite Ring EMI Suppression, For: EMI Suppression, 4.1 x 1.6 x 4mm RS Stock No.: 163-3195 Mfr. Part No.: 74270012 Datasheets: MYR2.832 Each (In a Bag of 5000)	Wurth Elektronik	EMI Suppression	4.1 x 1.6 x 4mm	EMI Suppression	-	Ferrite, Nickel Zinc	-	4mm	1.6mm	4.1mm
KEMET Ferrite Ring Toroid Core, For: Consumer Electronics, 61 x 32.4 x 24mm RS Stock No.: 169-6787 Mfr. Part No.: ESD-R-57 Datasheets: MYR81.311 Each (In a Box of 60)	KEMET	Toroid Core	61 x 32.4 x 24mm	Consumer Electronics	-	Manganese-Zinc	-	24mm	32.4mm	61mm
Fair-Rite Ferrite Ring Toroid Core, For: Inductive Component, 21 (Dia.) x 6.35mm RS Stock No.: 467-4267 Mfr. Part No.: 5961000601 Datasheets: MYR7.598 Each (In a Pack of 5)	Fair-Rite	Toroid Core	21 (Dia.) x 6.35mm	Inductive Component	-	61 Material	21mm	6.35mm	13.2mm	21mm
Wurth Elektronik Ferrite Ring Ferrite Core, For: General Electronics, 16 x 9 x 28mm RS Stock No.: 124-1537 Mfr. Part No.: 7427005 Datasheets: MYR6.007 Each (In a Pack of 10)	Wurth Elektronik	Ferrite Core	16 x 9 x 28mm	General Electronics	-	4 W 620	16mm	28mm	9mm	16mm
EPCOS Ferrite Ring Ferrite Core, 10.8 (Dia.) x 4.75mm RS Stock No.: 647-9907P Mfr. Part No.: B64290L0038X830 Datasheets: MYR1.587 Each (Supplied in a Bag)	EPCOS	Ferrite Core	10.8 (Dia.) x 4.75mm	-	-	N30	10.8mm	4.75mm	5.05mm	10.8mm
EPCOS Ferrite Ring Toroid Core, For: General Electronics, 50 (Dia.) x 20mm RS Stock No.: 212-0881P Mfr. Part No.: B64290L0082X830 Datasheets: MYR61.69 Each (Supplied in a Box)	EPCOS	Toroid Core	50 (Dia.) x 20mm	General Electronics	-	N30	51.8mm	20mm	28.5mm	51.8mm
EPCOS Ferrite Ring Toroid Core, For: General Electronics, 21.2 (Dia.) x 8.1mm RS Stock No.: 167-8377 Mfr. Part No.: B64290L0632X035 Datasheets: MYR4.823 Each (In a Box of 1000)	EPCOS	Toroid Core	21.2 (Dia.) x 8.1mm	General Electronics	-	T35	-	8.1mm	8.95mm	21.2mm
Essentra Ferrite Ring Toroid Core, For: Multi-Turn Suppression Core, 25 (Dia.) x 12mm RS Stock No.: 257-4452 Mfr. Part No.: RT250-150-120 K5B Datasheets: MYR15.92 Each (In a Pack of 5)	Essentra	Toroid Core	25 (Dia.) x 12mm	Multi-Turn Suppression Core	-	K5B	25mm	12mm	15mm	25mm
Essentra Ferrite Ring Ferrite Core, For: CATV, MATV, Wire Assembly, 28.5(Dia.) x 28.57mm RS Stock No.: 257-4553 Mfr. Part No.: RRH285-138-286-K5B Datasheets: MYR29.032 Each (In a Pack of 5)	Essentra	Ferrite Core	28.5(Dia.) x 28.57mm	CATV, MATV, Wire Assembly	-	K5B	28.5mm	28.57mm	13.77mm	28.5mm
Wurth Elektronik Ferrite Ring Ferrite Core, For: General Electronics, 14.2 x 8.2 x 28.5mm RS Stock No.: 124-1548 Mfr. Part No.: 74270081 Datasheets: MYR5.194 Each (In a Pack of 10)	Wurth Elektronik	Ferrite Core	14.2 x 8.2 x 28.5mm	General Electronics	-	3 W 800	-	28.5mm	8.2mm	14.2mm

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Ferrite Rings

What do ferrite rings do?

How do ferrite rings work?

How are ferrite rings used?

233 Products showing for Ferrite Rings

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