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
-
50Ω
-
25MHz
EMI Suppression, RFI Suppression
-
Ferrite
-
10mm
100MHz
-
15 mm
-
25 mm
-
-
No
RS PRO
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
-
70Ω
-
25MHz
EMI Suppression, RFI Suppression
-
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
-
70Ω
-
25MHz
EMI Suppression, RFI Suppression
-
Ferrite
-
15mm
100MHz
-
27.5 mm
-
40.6 mm
-
-
No
RS PRO
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
-
100Ω
-
25MHz
RFI Suppression, EMI Suppression
-
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
-
-
-
25MHz
RFI Suppression, EMI Suppression
-
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
-
140Ω
-
25MHz
RFI Suppression, EMI Suppression
-
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
-
110Ω
-
25MHz
EMI Suppression, RFI Suppression
-
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
-
-
-
25MHz
RFI Suppression, EMI Suppression
-
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
-
180Ω
-
25MHz
RFI Suppression, EMI Suppression
-
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
-
155Ω
-
25MHz
RFI Suppression, EMI Suppression
-
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
-
145Ω
-
25MHz
RFI Suppression, EMI Suppression
-
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
-
70Ω
-
25MHz
EMI Suppression, RFI Suppression
-
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

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1€ 3.99
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RS Pro
-
T Core Style
-
Ferrite Ring
-
70Ω
-
25MHz
RFI Suppression, EMI Suppression
-
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
-
80Ω
-
25MHz
EMI Suppression, RFI Suppression
-
Ferrite
-
13mm
100MHz
-
8 mm
-
16 mm
-
-
No
RS PRO
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
-
-
No
RS PRO
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 Core
-
-
Ferrite Ring
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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

Available in multiples of 6
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
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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
-

...