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
Reel
121Ω
-
-
180Ω
-
-
-
-
2 A
-
-
Surface
EMI Filter & Protection
-
-25°C
2
-
-
125°C
-
-
3.2mm
RoHS
0.7mm
0.7mm
100mΩ
-
-
Ferrite
MH
-
No
-
-
Power Supplies, Ic Power Line, Signal Line
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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Also available in industry standard packaging
RS Stock No.: 246-3240Brand: BournsManufacturers Part No.: MH1608-121Y

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100

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100P.O.A.
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Bourns
-
Ferrite Bead
0603
45Ω
-
80Ω
Reel
121Ω
-
-
180Ω
-
-
-
-
2 A
-
-
Surface
EMI Filter & Protection
-
-25°C
2
-
-
125°C
-
-
3.2mm
RoHS
0.7mm
0.7mm
100mΩ
-
-
Ferrite
MH
-
No
-
-
Power Supplies, Ic Power Line, Signal Line
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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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
Reel
220Ω
-
-
275Ω
-
-
-
-
2 A
-
-
Surface
EMI Filter & Protection
-
-25°C
2
-
-
125°C
-
-
3.2mm
RoHS
1mm
0.7mm
100mΩ
-
-
Ferrite
MH
-
No
-
-
Signal Line, Power Supplies, Ic Power Line
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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4000P.O.A.
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Bourns
-
Ferrite Bead
0805
100Ω
-
150Ω
Reel
220Ω
-
-
275Ω
-
-
-
-
2 A
-
-
Surface
EMI Filter & Protection
-
-25°C
2
-
-
125°C
-
-
3.2mm
RoHS
1mm
0.7mm
100mΩ
-
-
Ferrite
MH
-
No
-
-
Signal Line, Power Supplies, Ic Power Line
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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4000P.O.A.
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Bourns
-
Ferrite Bead
0805
30Ω
-
42Ω
Reel
60Ω
-
-
80Ω
-
-
-
-
5 A
-
-
Surface
EMI Filter & Protection
-
-25°C
2
-
-
125°C
-
-
3.2mm
RoHS
1mm
0.7mm
20mΩ
-
-
Ferrite
MH
-
No
-
-
Ic Power Line, Power Supplies, Signal Line
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

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100

Available in multiples of 100
100P.O.A.
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Bourns
-
Ferrite Bead
0805
30Ω
-
42Ω
Reel
60Ω
-
-
80Ω
-
-
-
-
5 A
-
-
Surface
EMI Filter & Protection
-
-25°C
2
-
-
125°C
-
-
3.2mm
RoHS
1mm
0.7mm
20mΩ
-
-
Ferrite
MH
-
No
-
-
Ic Power Line, Power Supplies, Signal Line
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
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RS Stock No.: 262-9151Brand: BournsManufacturers Part No.: MG3261-301Y

P.O.A.

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3000

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3000P.O.A.
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Bourns
-
Ferrite Bead
1206
100Ω
-
190Ω
Reel
300Ω
-
-
220Ω
-
-
-
-
700 mA
-
-
Surface
EMI Filter & Protection
-
-55°C
2
-
-
125°C
-
-
3.2mm
RoHS
1.8mm
1.1mm
0.15Ω
-
-
Ferrite
MG
-
No
-
-
Signal Line, Power Supplies, Ic Power Line
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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10P.O.A.
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Bourns
-
Ferrite Bead
1206
100Ω
-
190Ω
Reel
300Ω
-
-
220Ω
-
-
-
-
700 mA
-
-
Surface
EMI Filter & Protection
-
-55°C
2
-
-
125°C
-
-
3.2mm
RoHS
1.8mm
1.1mm
0.15Ω
-
-
Ferrite
MG
-
No
-
-
Signal Line, Power Supplies, Ic Power Line
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.

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3000

Available in multiples of 3000
3000P.O.A.
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Bourns
-
Ferrite Bead
1206
115Ω
-
200Ω
-
300Ω
-
-
200Ω
-
-
-
-
700 mA
-
-
Surface
EMI Filter & Protection
-
-55°C
-
-
-
125°C
-
-
3.2mm
RoHS
-
1.1mm
0.15Ω
-
-
Ferrite
MU
-
No
-
-
Signal Line, Power Supplies, Ic Power Line
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

Available in multiples of 10
10P.O.A.
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Bourns
-
Ferrite Bead
1206
115Ω
-
200Ω
-
300Ω
-
-
200Ω
-
-
-
-
700 mA
-
-
Surface
EMI Filter & Protection
-
-55°C
-
-
-
125°C
-
-
3.2mm
RoHS
-
1.1mm
0.15Ω
-
-
Ferrite
MU
-
No
-
-
Signal Line, Power Supplies, Ic Power Line
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
Reel
1000Ω
-
-
375Ω
-
-
-
-
300 mA
-
-
Surface
EMI Filter & Protection
-
-55°C
2
-
-
125°C
-
-
3.2mm
RoHS
1.8mm
1.1mm
0.6Ω
-
-
Ferrite
MU
-
No
-
-
Ic Power Line, Power Supplies, Signal Line
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

Available in multiples of 10
10P.O.A.
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Bourns
-
Ferrite Bead
1206
150Ω
-
375Ω
Reel
1000Ω
-
-
375Ω
-
-
-
-
300 mA
-
-
Surface
EMI Filter & Protection
-
-55°C
2
-
-
125°C
-
-
3.2mm
RoHS
1.8mm
1.1mm
0.6Ω
-
-
Ferrite
MU
-
No
-
-
Ic Power Line, Power Supplies, Signal Line
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
Reel
30Ω
-
-
44Ω
-
-
-
-
500 mA
-
-
Surface
EMI Filter & Protection
-
-55°C
2
-
-
125°C
-
-
3.2mm
RoHS
1.8mm
1.1mm
0.2Ω
-
-
Ferrite
MU
-
No
-
-
Ic Power Line, Power Supplies, Signal Line
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
Reel
30Ω
-
-
44Ω
-
-
-
-
500 mA
-
-
Surface
EMI Filter & Protection
-
-55°C
2
-
-
125°C
-
-
3.2mm
RoHS
1.8mm
1.1mm
0.2Ω
-
-
Ferrite
MU
-
No
-
-
Ic Power Line, Power Supplies, Signal Line
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.

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3000

Available in multiples of 3000
3000P.O.A.
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Bourns
-
Ferrite Bead
1206
200Ω
-
350Ω
Reel
470Ω
-
-
200Ω
-
-
-
-
400 mA
-
-
Surface
EMI Filter & Protection
-
-55°C
2
-
-
125°C
-
-
3.2mm
RoHS
1.8mm
1.1mm
0.35Ω
-
-
Ferrite
MU
-
No
-
-
-
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

Available in multiples of 10
10P.O.A.
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Bourns
-
Ferrite Bead
1206
200Ω
-
350Ω
Reel
470Ω
-
-
200Ω
-
-
-
-
400 mA
-
-
Surface
EMI Filter & Protection
-
-55°C
2
-
-
125°C
-
-
3.2mm
RoHS
1.8mm
1.1mm
0.35Ω
-
-
Ferrite
MU
-
No
-
-
-
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

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3000

Available in multiples of 3000
3000P.O.A.
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Bourns
-
Ferrite Bead
1206
230Ω
-
400Ω
Reel
600Ω
-
-
230Ω
-
-
-
-
400 mA
-
-
Surface
EMI Filter & Protection
-
-55°C
2
-
-
125°C
-
-
3.2mm
RoHS
1.8mm
1.1mm
0.3Ω
-
-
Ferrite
MU
-
No
-
-
Power Supplies, Ic Power Line, Signal Line
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.

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10

Available in multiples of 10
10P.O.A.
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Bourns
-
Ferrite Bead
1206
230Ω
-
400Ω
Reel
600Ω
-
-
230Ω
-
-
-
-
400 mA
-
-
Surface
EMI Filter & Protection
-
-55°C
2
-
-
125°C
-
-
3.2mm
RoHS
1.8mm
1.1mm
0.3Ω
-
-
Ferrite
MU
-
No
-
-
Power Supplies, Ic Power Line, Signal Line
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
Reel
60Ω
-
-
85Ω
-
-
-
-
400 mA
-
-
Surface
EMI Filter & Protection
-
-55°C
2
-
-
125°C
-
-
3.2mm
RoHS
1.8mm
1.1mm
0.2Ω
-
-
Ferrite
MU
-
No
-
-
Signal Line, Power Supplies, Ic Power Line
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
Reel
60Ω
-
-
85Ω
-
-
-
-
400 mA
-
-
Surface
EMI Filter & Protection
-
-55°C
2
-
-
125°C
-
-
3.2mm
RoHS
1.8mm
1.1mm
0.2Ω
-
-
Ferrite
MU
-
No
-
-
Signal Line, Power Supplies, Ic Power Line

...