Ferrite Beads

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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 the capacitors to ground on either side of the bead. This then forms a low-pass filter network, further reducing the high-frequency power supply noise. Use SPICE (Simulation Program with Integrated Circuit Emphasis) or another similar tool to ensure any anti-resonance peaks caused by ferrite or PCB inductive structure does not violate the target impedance limit.


Ferrite Beads come in two categories:


High-Q Beads - typically used as resonators and must not be used in power isolation circuits


Low-Q Beads - these are also called absorptive beads and they are lossy and make good filter networks because they are designed to absorb high-frequency noise currents and dissipate it as heat


What to consider when choosing Ferrite Beads?


Make sure that any voltage drop does not cause the target supply rail to fall below the recommended operating conditions of the device


The ferrite bead is inductive, therefore do not use it with High-Q decoupling capacitors


Applying ferrite beads correctly can be an effective and inexpensive way to reduce high-frequency noise and switching transients


Where are Ferrite Beads used?


Eliminating high-frequency EMI noise on any circuit design


Electronic devices such as mobile phones


Computers and laptops


TV tuners


Audio Players


DVD’s


Gaming Systems

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Omschrijving Prijs Package Type Impedance at 25 MHz Impedance at 100 MHz Impedance at 300 MHz Impedance at 500 MHz Impedance at 1 GHz Current Rating Type Dimensions Length Depth Height Diameter Application
RS-stocknr. 863-7098
Fabrikantnummer1879855-2
FabrikantTE Connectivity
0,045 €
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Aantal stuks
0402 (1005M) - 30Ω - - - - Ferrite Bead 1 x 0.5 x 0.32mm 1mm 0.5mm 0.32mm - General Purpose, High frequency
RS-stocknr. 863-7199
Fabrikantnummer3-1624117-9
FabrikantTE Connectivity
0,043 €
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Aantal stuks
0805 (2012M) - 400Ω - - - - Ferrite Bead 2 x 1.2 x 0.9mm 2mm 1.2mm 0.9mm - General Purpose, High frequency
RS-stocknr. 863-7203
Fabrikantnummer4-1624117-4
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0,043 €
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Aantal stuks
0805 (2012M) - - - - - - Ferrite Bead 2 x 1.2 x 0.9mm 2mm 1.2mm 0.9mm - General Purpose, High frequency
RS-stocknr. 863-7124
Fabrikantnummer2-1624116-8
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0,062 €
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Aantal stuks
0603 (1608M) - - - - - - Ferrite Bead 1.6 x 0.8 x 0.8mm 1.6mm 0.8mm 0.8mm - General Purpose, High frequency
RS-stocknr. 863-7102
Fabrikantnummer1879855-7
FabrikantTE Connectivity
0,045 €
Each (In a Bag of 100)
Aantal stuks
0402 (1005M) - - - - - - Ferrite Bead 1 x 0.5 x 0.32mm 1mm 0.5mm 0.32mm - General Purpose, High frequency
RS-stocknr. 164-5794
Fabrikantnummer3-1624116-3
FabrikantTE Connectivity
202,62 €
1 Reel of 4000
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0603 (1608M) - - - - - - Ferrite Bead 1.6 x 0.8 x 0.8mm 1.6mm 0.8mm 0.8mm - -
RS-stocknr. 164-5797
Fabrikantnummer3-1624116-6
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202,62 €
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0603 (1608M) - 600Ω - - - - Ferrite Bead 1.6 x 0.8 x 0.8mm 1.6mm 0.8mm 0.8mm - -
RS-stocknr. 164-5841
Fabrikantnummer4-1624117-5
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123,90 €
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0805 (2012M) - 2000Ω - - - - Ferrite Bead 2 x 1.2 x 0.9mm 2mm 1.2mm 0.9mm - -
RS-stocknr. 164-5879
Fabrikantnummer5-1624117-8
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0,064 €
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0805 (2012M) - 10Ω - - - - Ferrite Bead 2 x 1.2 x 0.9mm 2mm 1.2mm 0.9mm - High Current, Noise Filtering
RS-stocknr. 164-5832
Fabrikantnummer4-1624116-8
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202,62 €
1 Reel of 4000
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0603 (1608M) - - - - - - Ferrite Bead 1.6 x 0.8 x 0.8mm 1.6mm 0.8mm 0.8mm - High Current, Noise Filtering
RS-stocknr. 863-7265
Fabrikantnummer4-1624117-8
FabrikantTE Connectivity
0,067 €
Each (In a Bag of 100)
Aantal stuks
0805 (2012M) - 30Ω - - - - Ferrite Bead 2 x 1.2 x 0.9mm 2mm 1.2mm 0.9mm - General Purpose, High frequency
RS-stocknr. 164-5312
FabrikantnummerBMB2A0300AN1
FabrikantTE Connectivity
172,15 €
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0805 (2012M) - - - - - - Ferrite Bead 2 x 1.2 x 0.9mm 2mm 1.2mm 0.9mm - EMI Filtering, General Electronics
RS-stocknr. 863-7133
Fabrikantnummer2-1624116-9
FabrikantTE Connectivity
0,068 €
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Aantal stuks
0603 (1608M) - - - - - - Ferrite Bead 1.6 x 0.8 x 0.8mm 1.6mm 0.8mm 0.8mm - General Purpose, High frequency
RS-stocknr. 164-5634
Fabrikantnummer1-1879855-5
FabrikantTE Connectivity
410,76 €
1 Reel of 10000
Reel(s)
0402 (1005M) - - - - - - Ferrite Bead 1 x 0.5 x 0.32mm 1mm 0.5mm 0.32mm - -
RS-stocknr. 164-5826
Fabrikantnummer4-1624116-3
FabrikantTE Connectivity
202,62 €
1 Reel of 4000
Reel(s)
0603 (1608M) - - - - - - Ferrite Bead 1.6 x 0.8 x 0.8mm 1.6mm 0.8mm 0.8mm - -
RS-stocknr. 164-5875
Fabrikantnummer5-1624117-5
FabrikantTE Connectivity
0,059 €
Each (On a Reel of 4000)
Aantal stuks
0805 (2012M) - - - - - - Ferrite Bead 2 x 1.2 x 0.9mm 2mm 1.2mm 0.9mm - -
RS-stocknr. 164-5798
Fabrikantnummer3-1624116-7
FabrikantTE Connectivity
202,62 €
1 Reel of 4000
Reel(s)
0603 (1608M) - - - - - - Ferrite Bead 1.6 x 0.8 x 0.8mm 1.6mm 0.8mm 0.8mm - -
RS-stocknr. 164-5694
Fabrikantnummer1879855-2
FabrikantTE Connectivity
410,76 €
1 Reel of 10000
Reel(s)
0402 (1005M) - 30Ω - - - - Ferrite Bead 1 x 0.5 x 0.32mm 1mm 0.5mm 0.32mm - -
RS-stocknr. 863-7212
Fabrikantnummer4-1624117-5
FabrikantTE Connectivity
0,037 €
Each (In a Bag of 100)
Aantal stuks
0805 (2012M) - 2000Ω - - - - Ferrite Bead 2 x 1.2 x 0.9mm 2mm 1.2mm 0.9mm - General Purpose, High frequency
RS-stocknr. 164-5902
Fabrikantnummer6-1624117-3
FabrikantTE Connectivity
257,94 €
1 Reel of 4000
Reel(s)
0805 (2012M) - - - - - - Ferrite Bead 2 x 1.2 x 0.9mm 2mm 1.2mm 0.9mm - High Current, Noise Filtering