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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4015937

RoHS

Each (Supplied on Cut Tape)
Cut Tape
5+
HK$0.836
50+
HK$0.633
250+
HK$0.363
500+
HK$0.244
1500+
HK$0.209
More Pricing...
Min: 5 / Mult: 5
1206 [3216 Metric]
300ohm
700mA
MG Series
0.15ohm
± 25%
3.2mm
1.6mm
1.1mm
SMD
-55°C
125°C
-
4015937RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
HK$0.244
1500+
HK$0.209
3000+
HK$0.192
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
-
4015945

RoHS

Each (Supplied on Cut Tape)
Cut Tape
5+
HK$0.815
50+
HK$0.635
250+
HK$0.363
500+
HK$0.245
1500+
HK$0.208
More Pricing...
Min: 5 / Mult: 5
1206 [3216 Metric]
300ohm
700mA
MU Series
0.15ohm
± 25%
3.2mm
1.6mm
1.1mm
SMD
-55°C
125°C
-
4015945RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
HK$0.245
1500+
HK$0.208
3000+
HK$0.202
Min: 500 / Mult: 5
1206 [3216 Metric]
300ohm
700mA
MU Series
0.15ohm
± 25%
3.2mm
1.6mm
1.1mm
SMD
-55°C
125°C
-
2292433

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
HK$0.839
250+
HK$0.494
1000+
HK$0.387
5000+
HK$0.288
10000+
HK$0.283
More Pricing...
Min: 10 / Mult: 10
0603 [1608 Metric]
120ohm
700mA
LI Series
0.2ohm
-
1.6mm
0.8mm
0.8mm
SMD
-40°C
125°C
-
3386787

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
HK$0.510
100+
HK$0.354
500+
HK$0.272
1000+
HK$0.222
2000+
HK$0.198
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Min: 10 / Mult: 10
0603 [1608 Metric]
3ohm
700mA
MMZ Series
0.05ohm
-
1.6mm
0.8mm
0.8mm
SMD
-55°C
125°C
-
3386898

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
HK$1.550
100+
HK$1.180
500+
HK$0.888
2500+
HK$0.886
5000+
HK$0.884
More Pricing...
Min: 10 / Mult: 10
0402 [1005 Metric]
330ohm
700mA
MPZ-E Series
0.28ohm
± 25%
1mm
0.5mm
0.5mm
SMD
-55°C
125°C
AEC-Q200
2470352

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
HK$0.403
100+
HK$0.288
500+
HK$0.222
2500+
HK$0.148
5000+
HK$0.132
More Pricing...
Min: 10 / Mult: 10
0402 [1005 Metric]
120ohm
700mA
EMIFIL BLM15AX Series
0.13ohm
± 25%
1mm
0.5mm
0.5mm
SMD
-55°C
125°C
-
2292434

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
HK$0.625
250+
HK$0.379
1000+
HK$0.370
5000+
HK$0.363
10000+
HK$0.356
More Pricing...
Min: 10 / Mult: 10
0603 [1608 Metric]
220ohm
700mA
LI Series
0.3ohm
-
1.6mm
0.8mm
0.8mm
SMD
-40°C
125°C
-
2470352RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
HK$0.222
2500+
HK$0.148
5000+
HK$0.132
10000+
HK$0.116
Min: 500 / Mult: 10
0402 [1005 Metric]
120ohm
700mA
EMIFIL BLM15AX Series
0.13ohm
± 25%
1mm
0.5mm
0.5mm
SMD
-55°C
125°C
-
3652390

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
HK$1.050
100+
HK$0.864
500+
HK$0.732
2500+
HK$0.642
5000+
HK$0.494
More Pricing...
Min: 10 / Mult: 10
0402 [1005 Metric]
600ohm
700mA
EMIFIL BLM15PE Series
0.4ohm
± 25%
1mm
0.5mm
0.5mm
SMD
-55°C
125°C
AEC-Q200
3650622

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
HK$0.452
100+
HK$0.319
500+
HK$0.245
1000+
HK$0.171
2000+
HK$0.167
More Pricing...
Min: 10 / Mult: 10
0603 [1608 Metric]
5ohm
700mA
MMZ Series
0.05ohm
± 2ohm
1.6mm
0.8mm
0.8mm
SMD
-55°C
125°C
-
3386830

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
HK$1.340
100+
HK$1.030
500+
HK$0.790
2500+
HK$0.691
5000+
HK$0.685
More Pricing...
Min: 10 / Mult: 10
0402 [1005 Metric]
330ohm
700mA
MPZ-E Series
0.28ohm
± 25%
1mm
0.5mm
0.5mm
SMD
-55°C
125°C
-
1515687

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
HK$0.510
100+
HK$0.354
500+
HK$0.280
1000+
HK$0.214
2000+
HK$0.194
More Pricing...
Min: 10 / Mult: 10
0603 [1608 Metric]
10ohm
700mA
EMIFIL BLM18BB Series
0.1ohm
± 25%
1.6mm
0.8mm
0.8mm
SMD
-55°C
125°C
-
3227822

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
HK$1.620
100+
HK$1.130
500+
HK$0.847
1000+
HK$0.592
2000+
HK$0.588
More Pricing...
Min: 10 / Mult: 10
0603 [1608 Metric]
600ohm
700mA
EMIFIL BLM18DN Series
0.435ohm
± 25%
1.6mm
0.8mm
0.8mm
SMD
-55°C
125°C
AEC-Q200
3471140

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
HK$1.210
100+
HK$0.831
500+
HK$0.633
1000+
HK$0.485
2000+
HK$0.465
More Pricing...
Min: 10 / Mult: 10
0805 [2012 Metric]
600ohm
700mA
EMIFIL BLM21AG Series
0.2ohm
± 25%
2mm
1.25mm
0.85mm
SMD
-55°C
150°C
AEC-Q200
1515621

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
HK$0.896
100+
HK$0.633
500+
HK$0.477
1000+
HK$0.370
2000+
HK$0.350
More Pricing...
Min: 10 / Mult: 10
0805 [2012 Metric]
470ohm
700mA
EMIFIL BLM21AG Series
0.19ohm
± 25%
2mm
1.25mm
0.85mm
SMD
-55°C
125°C
-
2292437

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
HK$1.060
250+
HK$0.625
1000+
HK$0.485
5000+
HK$0.451
10000+
HK$0.416
More Pricing...
Min: 10 / Mult: 10
0805 [2012 Metric]
300ohm
700mA
LI Series
0.2ohm
-
2mm
1.25mm
1.25mm
SMD
-40°C
125°C
-
1515620RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
HK$0.461
1000+
HK$0.329
2000+
HK$0.323
4000+
HK$0.316
Min: 500 / Mult: 10
0805 [2012 Metric]
330ohm
700mA
EMIFIL BLM21AG Series
0.16ohm
± 25%
2mm
1.25mm
0.85mm
SMD
-55°C
125°C
-
1515686

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
HK$0.510
100+
HK$0.362
500+
HK$0.280
1000+
HK$0.247
2000+
HK$0.214
More Pricing...
Min: 10 / Mult: 10
0603 [1608 Metric]
5ohm
700mA
EMIFIL BLM18BB Series
0.05ohm
± 25%
1.6mm
0.8mm
0.8mm
SMD
-55°C
125°C
-
2292433RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
250+
HK$0.494
1000+
HK$0.387
5000+
HK$0.288
10000+
HK$0.283
20000+
HK$0.277
Min: 500 / Mult: 10
0603 [1608 Metric]
120ohm
700mA
LI Series
0.2ohm
-
1.6mm
0.8mm
0.8mm
SMD
-40°C
125°C
-
2292434RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
250+
HK$0.379
1000+
HK$0.370
5000+
HK$0.363
10000+
HK$0.356
20000+
HK$0.348
Min: 500 / Mult: 10
0603 [1608 Metric]
220ohm
700mA
LI Series
0.3ohm
-
1.6mm
0.8mm
0.8mm
SMD
-40°C
125°C
-
2483706

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
HK$1.410
100+
HK$1.010
500+
HK$0.811
2500+
HK$0.672
5000+
HK$0.547
More Pricing...
Min: 10 / Mult: 10
0402 [1005 Metric]
220ohm
700mA
BMB-P Series
0.28ohm
± 25%
1mm
0.5mm
0.5mm
SMD
-55°C
125°C
-
1515687RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
HK$0.280
1000+
HK$0.214
2000+
HK$0.194
4000+
HK$0.173
Min: 500 / Mult: 10
0603 [1608 Metric]
10ohm
700mA
EMIFIL BLM18BB Series
0.1ohm
± 25%
1.6mm
0.8mm
0.8mm
SMD
-55°C
125°C
-
1515620

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
HK$0.790
100+
HK$0.592
500+
HK$0.461
1000+
HK$0.329
2000+
HK$0.323
More Pricing...
Min: 10 / Mult: 10
0805 [2012 Metric]
330ohm
700mA
EMIFIL BLM21AG Series
0.16ohm
± 25%
2mm
1.25mm
0.85mm
SMD
-55°C
125°C
-
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