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...

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RS PRO Ferrite Ring 10 mm, For: EMI Suppression, RFI Suppression 15 mm ID 25 mm OD
RS PRO Ferrite Ring 10 mm, For: EMI Suppression, RFI Suppression 15 mm ID 25 mm OD
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RS Stock No.: 280-8068Brand: RS PRO

€ 1.69

€ 1.69 Each (Exc. Vat)

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1

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1€ 1.69
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RS Pro
-
-
Ferrite Ring
-
-
EMI Suppression, RFI Suppression
25MHz
50Ω
-
Ferrite
-
-
10mm
100MHz
-
15 mm
-
25 mm
-
-
RS PRO
No
RS PRO Ferrite Ring 12 mm, For: EMI Suppression, RFI Suppression 15 mm ID 25 mm OD
RS PRO Ferrite Ring 12 mm, For: EMI Suppression, RFI Suppression 15 mm ID 25 mm OD
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RS Stock No.: 280-8069Brand: RS PRO

€ 5.75

€ 5.75 Each (Exc. Vat)

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1

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1€ 5.75
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RS Pro
-
-
Ferrite Ring
-
-
EMI Suppression, RFI Suppression
25MHz
70Ω
-
Ferrite
-
-
12mm
100MHz
-
15 mm
-
25 mm
-
-
-
No
RS PRO Ferrite Ring 15 mm, For: EMI Suppression, RFI Suppression 27.5 mm ID 40.6 mm OD
RS PRO Ferrite Ring 15 mm, For: EMI Suppression, RFI Suppression 27.5 mm ID 40.6 mm OD
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RS Stock No.: 280-8073Brand: RS PRO

€ 4.42

€ 4.42 Each (Exc. Vat)

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1

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1€ 4.42
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RS Pro
-
-
Ferrite Ring
-
-
EMI Suppression, RFI Suppression
25MHz
70Ω
-
Ferrite
-
-
15mm
100MHz
-
27.5 mm
-
40.6 mm
-
-
RS PRO
No
RS PRO Ferrite Ring 20 mm, For: RFI Suppression, EMI Suppression 16 mm ID 28 mm OD
RS PRO Ferrite Ring 20 mm, For: RFI Suppression, EMI Suppression 16 mm ID 28 mm OD
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RS Stock No.: 280-8071Brand: RS PRO

€ 2.90

€ 2.90 Each (Exc. Vat)

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1

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1€ 2.90
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RS Pro
-
-
Ferrite Ring
-
-
RFI Suppression, EMI Suppression
25MHz
100Ω
-
Ferrite
-
-
20mm
100MHz
-
16 mm
-
28 mm
-
-
-
No
RS PRO Ferrite Ring 28 mm, For: RFI Suppression, EMI Suppression 8 mm ID 16 mm OD
RS PRO Ferrite Ring 28 mm, For: RFI Suppression, EMI Suppression 8 mm ID 16 mm OD
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RS Stock No.: 280-8059Brand: RS PRO

€ 0.96

€ 0.96 Each (Exc. Vat)

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1

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1€ 0.96
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RS Pro
-
-
Ferrite Ring
-
-
RFI Suppression, EMI Suppression
25MHz
-
-
Ferrite
-
-
28mm
100MHz
-
8 mm
-
16 mm
-
-
-
No
RS PRO Ferrite Ring 28 mm, For: RFI Suppression, EMI Suppression 9 mm ID 16 mm OD
RS PRO Ferrite Ring 28 mm, For: RFI Suppression, EMI Suppression 9 mm ID 16 mm OD
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RS Stock No.: 280-8060Brand: RS PRO

€ 0.91

€ 0.91 Each (Exc. Vat)

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1

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1€ 0.91
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RS Pro
-
-
Ferrite Ring
-
-
RFI Suppression, EMI Suppression
25MHz
140Ω
-
Ferrite
-
-
28mm
100MHz
-
9 mm
-
16 mm
-
-
-
No
RS PRO Ferrite Ring 28.5 mm, For: EMI Suppression, RFI Suppression 18 mm ID 28 mm OD
RS PRO Ferrite Ring 28.5 mm, For: EMI Suppression, RFI Suppression 18 mm ID 28 mm OD
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RS Stock No.: 280-8063Brand: RS PRO

€ 3.75

€ 3.75 Each (Exc. Vat)

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1

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1€ 3.75
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RS Pro
-
-
Ferrite Ring
-
-
EMI Suppression, RFI Suppression
25MHz
110Ω
-
Ferrite
-
-
28.5mm
100MHz
-
18 mm
-
28 mm
-
-
-
No
RS PRO Ferrite Ring 28.5 mm, For: RFI Suppression, EMI Suppression 13 mm ID 26 mm OD
RS PRO Ferrite Ring 28.5 mm, For: RFI Suppression, EMI Suppression 13 mm ID 26 mm OD
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RS Stock No.: 280-8062Brand: RS PRO

€ 3.39

€ 3.39 Each (Exc. Vat)

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1

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1€ 3.39
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RS Pro
-
-
Ferrite Ring
-
-
RFI Suppression, EMI Suppression
25MHz
-
-
Ferrite
-
-
28.5mm
100MHz
-
13 mm
-
26 mm
-
-
-
No
RS PRO Ferrite Ring 28.5 mm, For: RFI Suppression, EMI Suppression 6.35 mm ID 14.2 mm OD
RS PRO Ferrite Ring 28.5 mm, For: RFI Suppression, EMI Suppression 6.35 mm ID 14.2 mm OD
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RS Stock No.: 280-8056Brand: RS PRO

€ 1.27

€ 1.27 Each (Exc. Vat)

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1

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1€ 1.27
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RS Pro
-
-
Ferrite Ring
-
-
RFI Suppression, EMI Suppression
25MHz
180Ω
-
Ferrite
-
-
28.5mm
100MHz
-
6.35 mm
-
14.2 mm
-
-
-
No
RS PRO Ferrite Ring 28.5 mm, For: RFI Suppression, EMI Suppression 7.3 mm ID 15.7 mm OD
RS PRO Ferrite Ring 28.5 mm, For: RFI Suppression, EMI Suppression 7.3 mm ID 15.7 mm OD
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RS Stock No.: 280-8057Brand: RS PRO

€ 1.21

€ 1.21 Each (Exc. Vat)

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1

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1€ 1.21
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RS Pro
-
-
Ferrite Ring
-
-
RFI Suppression, EMI Suppression
25MHz
155Ω
-
Ferrite
-
-
28.5mm
100MHz
-
7.3 mm
-
15.7 mm
-
-
-
No
RS PRO Ferrite Ring 28.5 mm, For: RFI Suppression, EMI Suppression 9.5 mm ID 17.5 mm OD
RS PRO Ferrite Ring 28.5 mm, For: RFI Suppression, EMI Suppression 9.5 mm ID 17.5 mm OD
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RS Stock No.: 280-8061Brand: RS PRO

€ 1.39

€ 1.39 Each (Exc. Vat)

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1

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1€ 1.39
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RS Pro
-
-
Ferrite Ring
-
-
RFI Suppression, EMI Suppression
25MHz
145Ω
-
Ferrite
-
-
28.5mm
100MHz
-
9.5 mm
-
17.5 mm
-
-
-
No
RS PRO Ferrite Ring 9.5 mm, For: EMI Suppression, RFI Suppression 4.75 mm ID 9.5 mm OD
RS PRO Ferrite Ring 9.5 mm, For: EMI Suppression, RFI Suppression 4.75 mm ID 9.5 mm OD
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RS Stock No.: 280-8065Brand: RS PRO

€ 0.62

€ 0.62 Each (Exc. Vat)

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1

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1€ 0.62
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RS Pro
-
-
Ferrite Ring
-
-
EMI Suppression, RFI Suppression
25MHz
70Ω
-
Ferrite
-
-
9.5mm
100MHz
-
4.75 mm
-
9.5 mm
-
-
-
No
RS PRO Ferrite Ring T Core Style 12.7 mm, For: RFI Suppression, EMI Suppression 23 mm ID 35.6 mm OD
RS PRO Ferrite Ring T Core Style 12.7 mm, For: RFI Suppression, EMI Suppression 23 mm ID 35.6 mm OD
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RS Stock No.: 280-8072Brand: RS PRO

€ 3.99

€ 3.99 Each (Exc. Vat)

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1€ 3.99
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RS Pro
T Core Style
-
Ferrite Ring
-
-
RFI Suppression, EMI Suppression
25MHz
70Ω
-
Ferrite
-
-
12.7mm
100MHz
-
23 mm
-
35.6 mm
-
-
-
No
RS PRO Ferrite Ring T Core Style 13 mm, For: EMI Suppression, RFI Suppression 8 mm ID 16 mm OD
RS PRO Ferrite Ring T Core Style 13 mm, For: EMI Suppression, RFI Suppression 8 mm ID 16 mm OD
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RS Stock No.: 280-8067Brand: RS PRO

€ 1.20

€ 1.20 Each (Exc. Vat)

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1

Available in multiples of 1
1€ 1.20
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RS Pro
T Core Style
-
Ferrite Ring
-
-
EMI Suppression, RFI Suppression
25MHz
80Ω
-
Ferrite
-
-
13mm
100MHz
-
8 mm
-
16 mm
-
-
RS PRO
No
RS PRO Ferrite Ring T Core Style 55 mm, For: RFI Suppression, EMI Suppression 20 mm ID 82 mm OD
RS PRO Ferrite Ring T Core Style 55 mm, For: RFI Suppression, EMI Suppression 20 mm ID 82 mm OD
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RS Stock No.: 280-8074Brand: RS PRO

€ 26.02

€ 26.02 Each (Exc. Vat)

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1

Available in multiples of 1
1€ 26.02
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RS Pro
T Core Style
-
Ferrite Ring
-
-
RFI Suppression, EMI Suppression
-
-
-
Ferrite
-
-
55mm
-
-
20 mm
-
82 mm
-
-
RS PRO
No
RS PRO Ferrite Ring Ferrite Core for use with Cables
RS PRO Ferrite Ring Ferrite Core for use with Cables
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RS Stock No.: 239-056Brand: RS PRO

€ 24.32

€ 4.054 Each (In a Pack of 6) (Exc. Vat)

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6

Available in multiples of 6
6€ 4.054
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RS Pro
-
-
Ferrite Ring
Ferrite Core
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Cables
-
No
RS PRO Ferrite Ring Round Solid Ring 28.57 mm, For: EMI Suppression 13.77 mm ID 28.5 mm OD
RS PRO Ferrite Ring Round Solid Ring 28.57 mm, For: EMI Suppression 13.77 mm ID 28.5 mm OD
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RS Stock No.: 239-062Brand: RS PRO

€ 48.64

€ 8.107 Each (In a Pack of 6) (Exc. Vat)

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6

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6€ 8.107
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RS Pro
Round Solid Ring
-
Ferrite Ring
-
-
EMI Suppression
-
-
-
Ferrite
-
-
28.57mm
-
-
13.77 mm
-
28.5 mm
-
-
-
B.S. 6527, CISPR 22, FCC, VDE
Fair-Rite Ferrite Ring Ferrite Ring 11.9 mm, For: Power Input Filter, Ground Fault Interrupter, Pulse, Common Mode
Fair-Rite Ferrite Ring Ferrite Ring 11.9 mm, For: Power Input Filter, Ground Fault Interrupter, Pulse, Common Mode
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RS Stock No.: 255-5188Brand: Fair-RiteManufacturers Part No.: 5961000501

€ 433.59

€ 0.86 Each (In a Box of 504) (Exc. Vat)

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504

Available in multiples of 504
504€ 0.86
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Fair-Rite
Ferrite Ring
-
Ferrite Ring
-
-
Power Input Filter, Ground Fault Interrupter, Pulse, Common Mode Filter, Broadband Transformer
-
-
-
61 Material
-
-
11.9mm
-
-
13.2 mm
-
21 mm
-
-
-
RoHS
Fair-Rite Ferrite Ring Ferrite Ring 11.9 mm, For: Power Input Filter, Ground Fault Interrupter, Pulse, Common Mode
Fair-Rite Ferrite Ring Ferrite Ring 11.9 mm, For: Power Input Filter, Ground Fault Interrupter, Pulse, Common Mode
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RS Stock No.: 255-5189Brand: Fair-RiteManufacturers Part No.: 5961000501

€ 11.80

€ 2.36 Each (In a Pack of 5) (Exc. Vat)

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5

Available in multiples of 5
5€ 2.36
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Fair-Rite
Ferrite Ring
-
Ferrite Ring
-
-
Power Input Filter, Ground Fault Interrupter, Pulse, Common Mode Filter, Broadband Transformer
-
-
-
61 Material
-
-
11.9mm
-
-
13.2 mm
-
21 mm
-
-
-
RoHS
Fair-Rite Ferrite Ring Ferrite Ring 12.7 mm, For: Broadband Transformer, Ground Fault Interrupter, Common Mode Filter,
Fair-Rite Ferrite Ring Ferrite Ring 12.7 mm, For: Broadband Transformer, Ground Fault Interrupter, Common Mode Filter,
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RS Stock No.: 255-5242Brand: Fair-RiteManufacturers Part No.: 5977002701

€ 740.70

€ 1.996 Each (In a Box of 371) (Exc. Vat)

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371

Available in multiples of 371
371€ 1.996
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Fair-Rite
Ferrite Ring
-
Ferrite Ring
-
-
Broadband Transformer, Ground Fault Interrupter, Common Mode Filter, Power Input Filter, Pulse
-
-
-
77 Material
-
-
12.7mm
-
-
23 mm
-
35.55 mm
-
-
-
RoHS

...