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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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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Bourns
Ferrite Bead
0603
-
-
45Ω
80Ω
Reel
121Ω
-
180Ω
-
-
-
-
-
-
2A
-
EMI Filter & Protection
Surface
-
-25°C
2
-
-
125°C
0.7mm
3.2mm
100mΩ
-
0.7mm
RoHS
-
-
-
-
-
Ferrite
No
MH
-
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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RS Stock No.: 246-3238Brand: BournsManufacturers Part No.: MH1608-121Y

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4000

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4000P.O.A.
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Bourns
Ferrite Bead
0603
-
-
45Ω
80Ω
Reel
121Ω
-
180Ω
-
-
-
-
-
-
2A
-
EMI Filter & Protection
Surface
-
-25°C
2
-
-
125°C
0.7mm
3.2mm
100mΩ
-
0.7mm
RoHS
-
-
-
-
-
Ferrite
No
MH
-
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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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
Reel
220Ω
-
275Ω
-
-
-
-
-
-
2A
-
EMI Filter & Protection
Surface
-
-25°C
2
-
-
125°C
1mm
3.2mm
100mΩ
-
0.7mm
RoHS
-
-
-
-
-
Ferrite
No
MH
-
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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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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Bourns
Ferrite Bead
0805
-
-
100Ω
150Ω
Reel
220Ω
-
275Ω
-
-
-
-
-
-
2A
-
EMI Filter & Protection
Surface
-
-25°C
2
-
-
125°C
1mm
3.2mm
100mΩ
-
0.7mm
RoHS
-
-
-
-
-
Ferrite
No
MH
-
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
Also available in industry standard packaging
RS Stock No.: 246-3246Brand: BournsManufacturers Part No.: MH2029-600Y

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100

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Bourns
Ferrite Bead
0805
-
-
30Ω
42Ω
Reel
60Ω
-
80Ω
-
-
-
-
-
-
5A
-
EMI Filter & Protection
Surface
-
-25°C
2
-
-
125°C
1mm
3.2mm
20mΩ
-
0.7mm
RoHS
-
-
-
-
-
Ferrite
No
MH
-
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
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
Reel
60Ω
-
80Ω
-
-
-
-
-
-
5A
-
EMI Filter & Protection
Surface
-
-25°C
2
-
-
125°C
1mm
3.2mm
20mΩ
-
0.7mm
RoHS
-
-
-
-
-
Ferrite
No
MH
-
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

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3000

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Bourns
Ferrite Bead
1206
-
-
100Ω
190Ω
Reel
300Ω
-
220Ω
-
-
-
-
-
-
700mA
-
EMI Filter & Protection
Surface
-
-55°C
2
-
-
125°C
1.8mm
3.2mm
0.15Ω
-
1.1mm
RoHS
-
-
-
-
-
Ferrite
No
MG
-
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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Bourns
Ferrite Bead
1206
-
-
100Ω
190Ω
Reel
300Ω
-
220Ω
-
-
-
-
-
-
700mA
-
EMI Filter & Protection
Surface
-
-55°C
2
-
-
125°C
1.8mm
3.2mm
0.15Ω
-
1.1mm
RoHS
-
-
-
-
-
Ferrite
No
MG
-
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

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Bourns
Ferrite Bead
1206
-
-
115Ω
200Ω
-
300Ω
-
200Ω
-
-
-
-
-
-
700mA
-
EMI Filter & Protection
Surface
-
-55°C
-
-
-
125°C
-
3.2mm
0.15Ω
-
1.1mm
RoHS
-
-
-
-
-
Ferrite
No
MU
-
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
-
-
-
-
-
-
700mA
-
EMI Filter & Protection
Surface
-
-55°C
-
-
-
125°C
-
3.2mm
0.15Ω
-
1.1mm
RoHS
-
-
-
-
-
Ferrite
No
MU
-
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

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3000P.O.A.
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Bourns
Ferrite Bead
1206
-
-
150Ω
375Ω
Reel
1000Ω
-
375Ω
-
-
-
-
-
-
300mA
-
EMI Filter & Protection
Surface
-
-55°C
2
-
-
125°C
1.8mm
3.2mm
0.6Ω
-
1.1mm
RoHS
-
-
-
-
-
Ferrite
No
MU
-
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
-
-
-
-
-
-
300mA
-
EMI Filter & Protection
Surface
-
-55°C
2
-
-
125°C
1.8mm
3.2mm
0.6Ω
-
1.1mm
RoHS
-
-
-
-
-
Ferrite
No
MU
-
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

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Bourns
Ferrite Bead
1206
-
-
16Ω
23Ω
Reel
30Ω
-
44Ω
-
-
-
-
-
-
500mA
-
EMI Filter & Protection
Surface
-
-55°C
2
-
-
125°C
1.8mm
3.2mm
0.2Ω
-
1.1mm
RoHS
-
-
-
-
-
Ferrite
No
MU
-
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
-
-
-
-
-
-
500mA
-
EMI Filter & Protection
Surface
-
-55°C
2
-
-
125°C
1.8mm
3.2mm
0.2Ω
-
1.1mm
RoHS
-
-
-
-
-
Ferrite
No
MU
-
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

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3000

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Bourns
Ferrite Bead
1206
-
-
200Ω
350Ω
Reel
470Ω
-
200Ω
-
-
-
-
-
-
400mA
-
EMI Filter & Protection
Surface
-
-55°C
2
-
-
125°C
1.8mm
3.2mm
0.35Ω
-
1.1mm
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
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
-
-
-
-
-
-
400mA
-
EMI Filter & Protection
Surface
-
-55°C
2
-
-
125°C
1.8mm
3.2mm
0.35Ω
-
1.1mm
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

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3000

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Bourns
Ferrite Bead
1206
-
-
230Ω
400Ω
Reel
600Ω
-
230Ω
-
-
-
-
-
-
400mA
-
EMI Filter & Protection
Surface
-
-55°C
2
-
-
125°C
1.8mm
3.2mm
0.3Ω
-
1.1mm
RoHS
-
-
-
-
-
Ferrite
No
MU
-
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
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Bourns
Ferrite Bead
1206
-
-
230Ω
400Ω
Reel
600Ω
-
230Ω
-
-
-
-
-
-
400mA
-
EMI Filter & Protection
Surface
-
-55°C
2
-
-
125°C
1.8mm
3.2mm
0.3Ω
-
1.1mm
RoHS
-
-
-
-
-
Ferrite
No
MU
-
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.

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3000

Available in multiples of 3000
3000P.O.A.
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Bourns
Ferrite Bead
1206
-
-
30Ω
49Ω
Reel
60Ω
-
85Ω
-
-
-
-
-
-
400mA
-
EMI Filter & Protection
Surface
-
-55°C
2
-
-
125°C
1.8mm
3.2mm
0.2Ω
-
1.1mm
RoHS
-
-
-
-
-
Ferrite
No
MU
-
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
-
-
-
-
-
-
400mA
-
EMI Filter & Protection
Surface
-
-55°C
2
-
-
125°C
1.8mm
3.2mm
0.2Ω
-
1.1mm
RoHS
-
-
-
-
-
Ferrite
No
MU
-
Signal Line, Power Supplies, Ic Power Line

...