Ferrite Beads

Ferrite Beads also known as ferrite chokes are passive devices and they are used to constrict high-frequency signals in electronic components. The ferrite becomes resistive over its intended frequency range and uses up the noise energy in the form of heat.

How do the ferrite beads work?

The ferrite bead is connected in series with the power supply rail and is often combined with t...

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Bourns Ferrite Bead 0.7 mm (Surface) (0603) (EMI Filter & Protection), 45 Ω impedance at 25 MHz, 121 Ω impedance at 100
Bourns Ferrite Bead 0.7 mm (Surface) (0603) (EMI Filter & Protection), 45 Ω impedance at 25 MHz, 121 Ω impedance at 100
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RS Stock No.: 246-3238Brand: BournsManufacturers Part No.: MH1608-121Y

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4000

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Bourns
Ferrite Bead
0603
-
-
45Ω
80Ω
-
121Ω
Reel
180Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-25°C
2
-
125°C
3.2mm
0.7mm
-
0.7mm
100mΩ
RoHS
-
-
-
Ferrite
No
Power Supplies, Ic Power Line, Signal Line
-
-
MH
-
Bourns Ferrite Bead 0.7 mm (Surface) (0603) (EMI Filter & Protection), 45 Ω impedance at 25 MHz, 121 Ω impedance at 100
Bourns Ferrite Bead 0.7 mm (Surface) (0603) (EMI Filter & Protection), 45 Ω impedance at 25 MHz, 121 Ω impedance at 100
Add to parts list
Also available in industry standard packaging
RS Stock No.: 246-3240Brand: BournsManufacturers Part No.: MH1608-121Y

P.O.A.

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100

Available in multiples of 100
100P.O.A.
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Bourns
Ferrite Bead
0603
-
-
45Ω
80Ω
-
121Ω
Reel
180Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-25°C
2
-
125°C
3.2mm
0.7mm
-
0.7mm
100mΩ
RoHS
-
-
-
Ferrite
No
Power Supplies, Ic Power Line, Signal Line
-
-
MH
-
Bourns Ferrite Bead 0.7 mm (Surface) (0805) (EMI Filter & Protection), 100 Ω impedance at 25 MHz, 220 Ω impedance at 100
Bourns Ferrite Bead 0.7 mm (Surface) (0805) (EMI Filter & Protection), 100 Ω impedance at 25 MHz, 220 Ω impedance at 100
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RS Stock No.: 246-3242Brand: BournsManufacturers Part No.: MH2029-221Y

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4000

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Bourns
Ferrite Bead
0805
-
-
100Ω
150Ω
-
220Ω
Reel
275Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-25°C
2
-
125°C
3.2mm
0.7mm
-
1mm
100mΩ
RoHS
-
-
-
Ferrite
No
Signal Line, Power Supplies, Ic Power Line
-
-
MH
-
Bourns Ferrite Bead 0.7 mm (Surface) (0805) (EMI Filter & Protection), 100 Ω impedance at 25 MHz, 220 Ω impedance at 100
Bourns Ferrite Bead 0.7 mm (Surface) (0805) (EMI Filter & Protection), 100 Ω impedance at 25 MHz, 220 Ω impedance at 100
Add to parts list
Also available in industry standard packaging
RS Stock No.: 246-3243Brand: BournsManufacturers Part No.: MH2029-221Y

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100

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100P.O.A.
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Bourns
Ferrite Bead
0805
-
-
100Ω
150Ω
-
220Ω
Reel
275Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-25°C
2
-
125°C
3.2mm
0.7mm
-
1mm
100mΩ
RoHS
-
-
-
Ferrite
No
Signal Line, Power Supplies, Ic Power Line
-
-
MH
-
Bourns Ferrite Bead 0.7 mm (Surface) (0805) (EMI Filter & Protection), 30 Ω impedance at 25 MHz, 60 Ω impedance at 100
Bourns Ferrite Bead 0.7 mm (Surface) (0805) (EMI Filter & Protection), 30 Ω impedance at 25 MHz, 60 Ω impedance at 100
Add to parts list
RS Stock No.: 246-3244Brand: BournsManufacturers Part No.: MH2029-600Y

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4000

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Bourns
Ferrite Bead
0805
-
-
30Ω
42Ω
-
60Ω
Reel
80Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-25°C
2
-
125°C
3.2mm
0.7mm
-
1mm
20mΩ
RoHS
-
-
-
Ferrite
No
Ic Power Line, Power Supplies, Signal Line
-
-
MH
-
Bourns Ferrite Bead 0.7 mm (Surface) (0805) (EMI Filter & Protection), 30 Ω impedance at 25 MHz, 60 Ω impedance at 100
Bourns Ferrite Bead 0.7 mm (Surface) (0805) (EMI Filter & Protection), 30 Ω impedance at 25 MHz, 60 Ω impedance at 100
Add to parts list
Also available in industry standard packaging
RS Stock No.: 246-3246Brand: BournsManufacturers Part No.: MH2029-600Y

P.O.A.

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100

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Bourns
Ferrite Bead
0805
-
-
30Ω
42Ω
-
60Ω
Reel
80Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-25°C
2
-
125°C
3.2mm
0.7mm
-
1mm
20mΩ
RoHS
-
-
-
Ferrite
No
Ic Power Line, Power Supplies, Signal Line
-
-
MH
-
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 100 Ω impedance at 25 MHz, 300 Ω impedance at 100
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 100 Ω impedance at 25 MHz, 300 Ω impedance at 100
Add to parts list
RS Stock No.: 262-9151Brand: BournsManufacturers Part No.: MG3261-301Y

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3000

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3000P.O.A.
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Bourns
Ferrite Bead
1206
-
-
100Ω
190Ω
-
300Ω
Reel
220Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-55°C
2
-
125°C
3.2mm
1.1mm
-
1.8mm
0.15Ω
RoHS
-
-
-
Ferrite
No
Signal Line, Power Supplies, Ic Power Line
-
-
MG
-
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 100 Ω impedance at 25 MHz, 300 Ω impedance at 100
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 100 Ω impedance at 25 MHz, 300 Ω impedance at 100
Add to parts list
Also available in industry standard packaging
RS Stock No.: 262-9152Brand: BournsManufacturers Part No.: MG3261-301Y

P.O.A.

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10

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Bourns
Ferrite Bead
1206
-
-
100Ω
190Ω
-
300Ω
Reel
220Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-55°C
2
-
125°C
3.2mm
1.1mm
-
1.8mm
0.15Ω
RoHS
-
-
-
Ferrite
No
Signal Line, Power Supplies, Ic Power Line
-
-
MG
-
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 115 Ω impedance at 25 MHz, 300 Ω impedance at 100
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 115 Ω impedance at 25 MHz, 300 Ω impedance at 100
Add to parts list
Also available in industry standard packaging
RS Stock No.: 262-9183Brand: BournsManufacturers Part No.: MU3261-301Y

P.O.A.

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10

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Bourns
Ferrite Bead
1206
-
-
115Ω
200Ω
-
300Ω
-
200Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-55°C
-
-
125°C
3.2mm
1.1mm
-
-
0.15Ω
RoHS
-
-
-
Ferrite
No
Signal Line, Power Supplies, Ic Power Line
-
-
MU
-
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 115 Ω impedance at 25 MHz, 300 Ω impedance at 100
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 115 Ω impedance at 25 MHz, 300 Ω impedance at 100
Add to parts list
RS Stock No.: 262-9182Brand: BournsManufacturers Part No.: MU3261-301Y

P.O.A.

Check stock

3000

Available in multiples of 3000
3000P.O.A.
Add to basket
Bourns
Ferrite Bead
1206
-
-
115Ω
200Ω
-
300Ω
-
200Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-55°C
-
-
125°C
3.2mm
1.1mm
-
-
0.15Ω
RoHS
-
-
-
Ferrite
No
Signal Line, Power Supplies, Ic Power Line
-
-
MU
-
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 150 Ω impedance at 25 MHz, 1000 Ω impedance at
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 150 Ω impedance at 25 MHz, 1000 Ω impedance at
Add to parts list
Also available in industry standard packaging
RS Stock No.: 262-9175Brand: BournsManufacturers Part No.: MU3261-102Y

P.O.A.

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10

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10P.O.A.
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Bourns
Ferrite Bead
1206
-
-
150Ω
375Ω
-
1000Ω
Reel
375Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-55°C
2
-
125°C
3.2mm
1.1mm
-
1.8mm
0.6Ω
RoHS
-
-
-
Ferrite
No
Ic Power Line, Power Supplies, Signal Line
-
-
MU
-
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 150 Ω impedance at 25 MHz, 1000 Ω impedance at
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 150 Ω impedance at 25 MHz, 1000 Ω impedance at
Add to parts list
RS Stock No.: 262-9174Brand: BournsManufacturers Part No.: MU3261-102Y

P.O.A.

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3000

Available in multiples of 3000
3000P.O.A.
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Bourns
Ferrite Bead
1206
-
-
150Ω
375Ω
-
1000Ω
Reel
375Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-55°C
2
-
125°C
3.2mm
1.1mm
-
1.8mm
0.6Ω
RoHS
-
-
-
Ferrite
No
Ic Power Line, Power Supplies, Signal Line
-
-
MU
-
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 16 Ω impedance at 25 MHz, 30 Ω impedance at 100
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 16 Ω impedance at 25 MHz, 30 Ω impedance at 100
Add to parts list
RS Stock No.: 262-9180Brand: BournsManufacturers Part No.: MU3261-300Y

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3000

Available in multiples of 3000
3000P.O.A.
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Bourns
Ferrite Bead
1206
-
-
16Ω
23Ω
-
30Ω
Reel
44Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-55°C
2
-
125°C
3.2mm
1.1mm
-
1.8mm
0.2Ω
RoHS
-
-
-
Ferrite
No
Ic Power Line, Power Supplies, Signal Line
-
-
MU
-
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 16 Ω impedance at 25 MHz, 30 Ω impedance at 100
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 16 Ω impedance at 25 MHz, 30 Ω impedance at 100
Add to parts list
Also available in industry standard packaging
RS Stock No.: 262-9181Brand: BournsManufacturers Part No.: MU3261-300Y

P.O.A.

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10

Available in multiples of 10
10P.O.A.
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Bourns
Ferrite Bead
1206
-
-
16Ω
23Ω
-
30Ω
Reel
44Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-55°C
2
-
125°C
3.2mm
1.1mm
-
1.8mm
0.2Ω
RoHS
-
-
-
Ferrite
No
Ic Power Line, Power Supplies, Signal Line
-
-
MU
-
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 200 Ω impedance at 25 MHz, 470 Ω impedance at 100
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 200 Ω impedance at 25 MHz, 470 Ω impedance at 100
Add to parts list
Also available in industry standard packaging
RS Stock No.: 262-9185Brand: BournsManufacturers Part No.: MU3261-471Y

P.O.A.

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10

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10P.O.A.
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Bourns
Ferrite Bead
1206
-
-
200Ω
350Ω
-
470Ω
Reel
200Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-55°C
2
-
125°C
3.2mm
1.1mm
-
1.8mm
0.35Ω
RoHS
-
-
-
Ferrite
No
-
-
-
MU
-
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 200 Ω impedance at 25 MHz, 470 Ω impedance at 100
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 200 Ω impedance at 25 MHz, 470 Ω impedance at 100
Add to parts list
RS Stock No.: 262-9184Brand: BournsManufacturers Part No.: MU3261-471Y

P.O.A.

Check stock

3000

Available in multiples of 3000
3000P.O.A.
Add to basket
Bourns
Ferrite Bead
1206
-
-
200Ω
350Ω
-
470Ω
Reel
200Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-55°C
2
-
125°C
3.2mm
1.1mm
-
1.8mm
0.35Ω
RoHS
-
-
-
Ferrite
No
-
-
-
MU
-
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 230 Ω impedance at 25 MHz, 600 Ω impedance at 100
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 230 Ω impedance at 25 MHz, 600 Ω impedance at 100
Add to parts list
RS Stock No.: 262-9189Brand: BournsManufacturers Part No.: MU3261-601Y

P.O.A.

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3000

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3000P.O.A.
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Bourns
Ferrite Bead
1206
-
-
230Ω
400Ω
-
600Ω
Reel
230Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-55°C
2
-
125°C
3.2mm
1.1mm
-
1.8mm
0.3Ω
RoHS
-
-
-
Ferrite
No
Power Supplies, Ic Power Line, Signal Line
-
-
MU
-
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 230 Ω impedance at 25 MHz, 600 Ω impedance at 100
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 230 Ω impedance at 25 MHz, 600 Ω impedance at 100
Add to parts list
Also available in industry standard packaging
RS Stock No.: 262-9190Brand: BournsManufacturers Part No.: MU3261-601Y

P.O.A.

Check stock

10

Available in multiples of 10
10P.O.A.
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Bourns
Ferrite Bead
1206
-
-
230Ω
400Ω
-
600Ω
Reel
230Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-55°C
2
-
125°C
3.2mm
1.1mm
-
1.8mm
0.3Ω
RoHS
-
-
-
Ferrite
No
Power Supplies, Ic Power Line, Signal Line
-
-
MU
-
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 30 Ω impedance at 25 MHz, 60 Ω impedance at 100
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 30 Ω impedance at 25 MHz, 60 Ω impedance at 100
Add to parts list
Also available in industry standard packaging
RS Stock No.: 262-9188Brand: BournsManufacturers Part No.: MU3261-600Y

P.O.A.

Check stock

10

Available in multiples of 10
10P.O.A.
Add to basket
Bourns
Ferrite Bead
1206
-
-
30Ω
49Ω
-
60Ω
Reel
85Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-55°C
2
-
125°C
3.2mm
1.1mm
-
1.8mm
0.2Ω
RoHS
-
-
-
Ferrite
No
Signal Line, Power Supplies, Ic Power Line
-
-
MU
-
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 30 Ω impedance at 25 MHz, 60 Ω impedance at 100
Bourns Ferrite Bead 1.1 mm (Surface) (1206) (EMI Filter & Protection), 30 Ω impedance at 25 MHz, 60 Ω impedance at 100
Add to parts list
RS Stock No.: 262-9187Brand: BournsManufacturers Part No.: MU3261-600Y

P.O.A.

Check stock

3000

Available in multiples of 3000
3000P.O.A.
Add to basket
Bourns
Ferrite Bead
1206
-
-
30Ω
49Ω
-
60Ω
Reel
85Ω
-
-
-
-
-
-
-
EMI Filter & Protection
-
Surface
-
-
-55°C
2
-
125°C
3.2mm
1.1mm
-
1.8mm
0.2Ω
RoHS
-
-
-
Ferrite
No
Signal Line, Power Supplies, Ic Power Line
-
-
MU
-

...