ex VAT
We offer ferrite beads with impedance ratings from 0.15ohm to 15kohm, and DC current ratings from 50mA to 20A

What is a Ferrite Bead?

Ferrite beads or chip inductor beads are passive electronic components that can suppress high frequency signals on a power supply line. They are normally placed around a power/ground line pair that is incoming to a particular device, such as the power cord for your laptop. These beads work according to Faraday’s Law: the magnetic core around a conductor induces a back EMF in the presence of a high frequency signal, essentially attenuating the ferrite frequency response.

Ferrites are magnetic materials, and placing this material in a ferrite clamp around the power supply/ground line provides a source of inductive impedance for signals passing through the line.

Ferrite bead model

A ferrite bead can be modelled as capacitors and inductors, plus a resistor in parallel with this RLC network wired with a series resistor. The series resistor quantifies the device’s resistance to DC currents. The inductor in this model represents a ferrite beads primary function of attenuating high-frequency signals, i.e., providing inductive impedance through Faraday’s Law. The parallel resistor in this model accounts for losses in eddy currents that are induced within the ferrite bead at high frequencies. Finally, the capacitor in this model accounts for the component’s natural parasitic capacitance.

Fair-Rite, for example, offers a broad selection of cost-effective multi-layer chip inductor beads to suppress conducted EMI signals. Chip inductor beads can be used in an array of devices such as cellular phones, computers, laptops, pagers, etc. The small package sizes accommodate automated placements and allow for a dense packaging of circuit boards.

Chip Inductor Beads are available in standard, high and GHz signal speeds.

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Ferrite Bead Case / Package
Impedance
Inner Diameter
DC Current Rating
Product Range
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Frequency Max
DC Resistance Max
DC Resistance
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Ferrite Mounting
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2800773

RoHS

Date/Lot Code

Each (Supplied on Full Reel)
Full Reel
Packaging Options
4000+
£0.0133
Min: 4000 / Mult: 4000
0603 [1608 Metric]
220ohm
-
2.2A
MPZ Series
-
-
0.05ohm
-
± 25%
1.6mm
0.8mm
0.8mm
SMD
-55°C
125°C
-
3227453

RoHS

Each
1+
£0.761
10+
£0.630
50+
£0.550
100+
£0.480
Min: 1 / Mult: 1
Toroid
-
-
1.5A
BEAD W Series
-
-
-
-
-
11mm
-
-
Through Hole
-25°C
65°C
-
3650647

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
10+
£0.0554
100+
£0.0429
500+
£0.0377
2500+
£0.0319
7500+
£0.0265
Min: 10 / Mult: 10
0201 [0603 Metric]
47ohm
-
500mA
MPZ Series
-
-
0.12ohm
-
± 25%
0.6mm
0.3mm
0.3mm
SMD
-55°C
125°C
-
3517008

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
£0.273
50+
£0.239
250+
£0.219
500+
£0.186
1000+
£0.172
More Pricing...
Min: 5 / Mult: 5
1806 [4516 Metric]
82ohm
-
3.5A
WE-CBA Series
-
-
0.02ohm
-
± 25%
4.5mm
1.6mm
1.6mm
SMD
-55°C
125°C
AEC-Q200
2761636

RoHS

Date/Lot Code

Each (Supplied on Full Reel)
Full Reel
Packaging Options
4000+
£0.0662
Min: 4000 / Mult: 4000
0603 [1608 Metric]
47ohm
-
500mA
WE-CBF Series
-
-
0.1ohm
-
± 25%
1.6mm
0.8mm
0.8mm
SMD
-55°C
125°C
AEC-Q200
2800756

RoHS

Date/Lot Code

Each (Supplied on Full Reel)
Full Reel
Packaging Options
4000+
£0.0122
Min: 4000 / Mult: 4000
0603 [1608 Metric]
1kohm
-
400mA
MMZ Series
-
-
0.5ohm
-
± 25%
1.6mm
0.8mm
0.8mm
SMD
-55°C
125°C
-
3605001RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
250+
£0.0798
1000+
£0.0643
5000+
£0.039
10000+
£0.0371
Min: 500 / Mult: 10
0603 [1608 Metric]
26ohm
-
6A
HI Series
-
-
0.007ohm
-
± 25%
1.6mm
0.8mm
0.8mm
SMD
-40°C
125°C
-
3650647RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
£0.0377
2500+
£0.0319
7500+
£0.0265
Min: 500 / Mult: 10
0201 [0603 Metric]
47ohm
-
500mA
MPZ Series
-
-
0.12ohm
-
± 25%
0.6mm
0.3mm
0.3mm
SMD
-55°C
125°C
-
3678475

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
10+
£0.0754
100+
£0.0528
500+
£0.0402
1000+
£0.0308
2000+
£0.0302
Min: 10 / Mult: 10
0805 [2012 Metric]
60ohm
-
1.9A
EMIFIL BLM21PG Series
-
-
0.02ohm
-
± 25%
2mm
1.25mm
0.85mm
SMD
-55°C
150°C
AEC-Q200
3678475RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
£0.0402
1000+
£0.0308
2000+
£0.0302
Min: 500 / Mult: 10
0805 [2012 Metric]
60ohm
-
1.9A
EMIFIL BLM21PG Series
-
-
0.02ohm
-
± 25%
2mm
1.25mm
0.85mm
SMD
-55°C
150°C
AEC-Q200
3517008RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
50+
£0.239
250+
£0.219
500+
£0.186
1000+
£0.172
2000+
£0.132
Min: 100 / Mult: 5
1806 [4516 Metric]
82ohm
-
3.5A
WE-CBA Series
-
-
0.02ohm
-
± 25%
4.5mm
1.6mm
1.6mm
SMD
-55°C
125°C
AEC-Q200
3605001

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
£0.130
250+
£0.0798
1000+
£0.0643
5000+
£0.039
10000+
£0.0371
Min: 10 / Mult: 10
0603 [1608 Metric]
26ohm
-
6A
HI Series
-
-
0.007ohm
-
± 25%
1.6mm
0.8mm
0.8mm
SMD
-40°C
125°C
-
3227817

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
£0.122
100+
£0.0848
500+
£0.0609
1000+
£0.0509
Min: 10 / Mult: 10
0603 [1608 Metric]
150ohm
-
1.4A
EMIFIL BLM18DN Series
-
-
0.12ohm
-
± 25%
1.6mm
0.8mm
0.8mm
SMD
-55°C
125°C
AEC-Q200
3650646RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
£0.0384
2500+
£0.0313
7500+
£0.028
Min: 500 / Mult: 10
0201 [0603 Metric]
33ohm
-
1.6A
MPZ-H Series
-
-
0.05ohm
-
± 25%
0.6mm
0.3mm
0.3mm
SMD
-55°C
125°C
-
3386406

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
10+
£0.115
100+
£0.0842
500+
£0.0628
1000+
£0.0537
2000+
£0.0526
Min: 10 / Mult: 10
0603 [1608 Metric]
120ohm
-
1.35A
MAF Series
-
-
0.105ohm
-
-
1.6mm
0.8mm
0.8mm
SMD
-55°C
125°C
-
3227817RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
£0.0609
1000+
£0.0509
Min: 500 / Mult: 10
0603 [1608 Metric]
150ohm
-
1.4A
EMIFIL BLM18DN Series
-
-
0.12ohm
-
± 25%
1.6mm
0.8mm
0.8mm
SMD
-55°C
125°C
AEC-Q200
3386406RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
£0.0628
1000+
£0.0537
2000+
£0.0526
Min: 500 / Mult: 10
0603 [1608 Metric]
120ohm
-
1.35A
MAF Series
-
-
0.105ohm
-
-
1.6mm
0.8mm
0.8mm
SMD
-55°C
125°C
-
3650646

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
10+
£0.0643
100+
£0.0502
500+
£0.0384
2500+
£0.0313
7500+
£0.028
Min: 10 / Mult: 10
0201 [0603 Metric]
33ohm
-
1.6A
MPZ-H Series
-
-
0.05ohm
-
± 25%
0.6mm
0.3mm
0.3mm
SMD
-55°C
125°C
-
4015937RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
£0.0252
1500+
£0.0226
Min: 500 / Mult: 5
1206 [3216 Metric]
300ohm
-
700mA
MG Series
-
-
0.15ohm
-
± 25%
3.2mm
1.6mm
1.1mm
SMD
-55°C
125°C
-
3996434

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
10+
£0.0314
100+
£0.0264
500+
£0.0245
1000+
£0.0195
2000+
£0.0181
More Pricing...
Min: 10 / Mult: 10
0603 [1608 Metric]
180ohm
-
400mA
BMC Series
-
-
0.2ohm
-
± 25%
1.6mm
0.8mm
0.8mm
SMD
-55°C
125°C
-
3996452RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
£0.0392
1000+
£0.0299
2000+
£0.0293
Min: 500 / Mult: 10
0805 [2012 Metric]
30ohm
-
300mA
BMC Series
-
-
0.1ohm
-
± 25%
2mm
1.25mm
0.9mm
SMD
-55°C
125°C
-
3996455RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
£0.0369
1000+
£0.0272
2000+
£0.0267
Min: 500 / Mult: 10
0805 [2012 Metric]
60ohm
-
300mA
BMC Series
-
-
0.15ohm
-
± 25%
2mm
1.25mm
0.9mm
SMD
-55°C
125°C
-
4141734

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
£0.048
100+
£0.0345
500+
£0.0323
1000+
£0.0274
2000+
£0.0259
More Pricing...
Min: 10 / Mult: 10
0603 [1608 Metric]
170ohm
-
2A
-
-
-
0.05ohm
-
± 25%
1.6mm
0.8mm
0.8mm
SMD
-55°C
125°C
-
4015954RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
£0.068
1000+
£0.0638
Min: 500 / Mult: 5
1806 [4516 Metric]
80ohm
-
3A
MH Series
-
-
0.04ohm
-
± 25%
4.5mm
1.6mm
1.6mm
SMD
-55°C
125°C
-
4015954

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
£0.207
50+
£0.109
250+
£0.0835
500+
£0.068
1000+
£0.0638
Min: 5 / Mult: 5
1806 [4516 Metric]
80ohm
-
3A
MH Series
-
-
0.04ohm
-
± 25%
4.5mm
1.6mm
1.6mm
SMD
-55°C
125°C
-
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