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Coupled Inductors:

612 Products Found
Our wide range of coupled inductors has a choice of inductance values from 50nH to 2mH – and RMS current ratings from 100mA to 38A.Current flowing through a conductor generates a magnetic flux field. If the current varies over time, then so will the flux - and a current will flow in a second conductor if it is permeated by such a time varying magnetic field. This effect is known as inductance. Coupled inductors comprise two coils of wire wrapped around a magnetic core. A varying magnetic field generated by current in the first coil will induce a current in the opposite direction in the second coil. The voltage across the second coil depends on the rate of change of current in the first, and the mutual inductance of the system.Applications for coupled inductorsPurpose-designed coupled inductors are used in a variety of power conversion circuits such as flyback, SEPIC, Fly-Buck™, Cuk, ZETA and multi-phase topologies. These voltage regulation circuits use coupled inductors to efficiently provide the required output voltages, which may be stepped up or down from the input. To do this, SEPIC and Zeta circuits use 1:1 coupled inductors, whereas flyback and other circuits use 1:N inductors. In multi-phase power converters, coupled inductors provide inherent ripple current cancelling that is not provided by single inductors.You can connect coupled inductor windings in different configurations to serve different purposes. The windings may be connected to circuits separately for use as isolation transformers or as common mode chokes. You may also connect them in series to achieve a higher inductance or for use as a tapped inductor.How do I choose a coupled inductor?Selection of a coupled inductor is application dependent. Coilcraft, for example, publishes datasheets that characterize coupled inductors for multiple circuit uses, and the company has developed online tools for selecting coupled inductors. Their MAGPro™ Coupled Inductor Finder is a powerful search and analysis tool that finds off-the-shelf coupled inductors for SEPIC and Zeta converters and many other applications.
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1869694

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Each
1+
€2.560
10+
€2.440
Min: 1 / Mult: 1
WE-DD Series
68µH
1.35A
3A
0.215ohm
-
1:1
12.5mm
12.5mm
8.5mm
Surface Mount
-40°C
125°C
-
1890701

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Each (Supplied on Cut Tape)
Cut Tape
1+
€2.800
10+
€2.660
25+
€2.610
Min: 1 / Mult: 1
WE-DD Series
10µH
3.2A
8A
0.04ohm
-
1:1
12.5mm
12.5mm
10.5mm
Surface Mount
-40°C
125°C
-
1890701RL

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25+
€2.610
Min: 100 / Mult: 1
WE-DD Series
10µH
3.2A
8A
0.04ohm
-
1:1
12.5mm
12.5mm
10.5mm
Surface Mount
-40°C
125°C
-
3812754

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Each (Supplied on Cut Tape)
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1+
€9.660
5+
€9.280
10+
€8.900
25+
€8.520
50+
€8.130
Min: 1 / Mult: 1
WE-CFWI Series
6.8µH
13.5A
26A
6100µohm
-
1:1
18.5mm
18.5mm
13.5mm
Surface Mount
-40°C
150°C
-
2254607

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Each
Packaging Options
1+
€1.750
10+
€1.450
50+
€1.270
100+
€1.090
200+
€1.070
Min: 1 / Mult: 1
B82477D4 Series
33µH
2.3A
3.8A
0.11ohm
-
1:1
12.5mm
12.5mm
8.5mm
Surface Mount
-55°C
150°C
AEC-Q200
1869662

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Each (Supplied on Cut Tape)
Cut Tape
1+
€2.170
50+
€1.920
100+
€1.770
250+
€1.630
500+
€1.570
Min: 1 / Mult: 1
WE-DD Series
3.3µH
3.7A
5A
0.052ohm
-
1:1
7.3mm
7.3mm
4.8mm
Surface Mount
-40°C
125°C
-
1869662RL

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Each (Supplied on Cut Tape)
Re-Reel
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100+
€1.770
250+
€1.630
500+
€1.570
Min: 100 / Mult: 1
WE-DD Series
3.3µH
3.7A
5A
0.052ohm
-
1:1
7.3mm
7.3mm
4.8mm
Surface Mount
-40°C
125°C
-
2254607RL

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Each
Packaging Options
100+
€1.090
200+
€1.070
Min: 100 / Mult: 1
B82477D4 Series
33µH
2.3A
3.8A
0.11ohm
-
1:1
12.5mm
12.5mm
8.5mm
Surface Mount
-55°C
150°C
AEC-Q200
3812754RL

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10+
€8.900
25+
€8.520
50+
€8.130
Min: 10 / Mult: 1
WE-CFWI Series
6.8µH
13.5A
26A
6100µohm
-
1:1
18.5mm
18.5mm
13.5mm
Surface Mount
-40°C
150°C
-
4065790

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Each (Supplied on Cut Tape)
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1+
€1.840
50+
€1.330
100+
€1.260
250+
€1.180
500+
€1.160
Min: 1 / Mult: 1
WE-DPC Series
6.8µH
2.3A
1.8A
0.085ohm
350nH
1:1
6mm
6mm
4.1mm
Surface Mount
-40°C
125°C
-
4065787

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Each (Supplied on Cut Tape)
Cut Tape
1+
€1.860
50+
€1.340
100+
€1.270
250+
€1.190
500+
€1.140
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Min: 1 / Mult: 1
WE-DPC Series
2.2µH
3.9A
3.4A
0.047ohm
130nH
1:1
6mm
6mm
4.1mm
Surface Mount
-40°C
125°C
-
4065789RL

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Each (Supplied on Cut Tape)
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100+
€1.270
250+
€1.190
500+
€1.170
Min: 100 / Mult: 1
WE-DPC Series
4.7µH
3.1A
2.1A
0.062ohm
270nH
1:1
6mm
6mm
4.1mm
Surface Mount
-40°C
125°C
-
4065787RL

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Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
€1.270
250+
€1.190
500+
€1.140
1000+
€1.090
Min: 100 / Mult: 1
WE-DPC Series
2.2µH
3.9A
3.4A
0.047ohm
130nH
1:1
6mm
6mm
4.1mm
Surface Mount
-40°C
125°C
-
4065781RL

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Each (Supplied on Cut Tape)
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100+
€1.570
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WE-DD Series
6.8µH
3.3A
11.5A
0.031ohm
-
1:1
12.5mm
12.5mm
10.5mm
Surface Mount
-40°C
125°C
-
4065779

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1+
€2.310
10+
€1.960
25+
€1.790
50+
€1.670
100+
€1.570
Min: 1 / Mult: 1
WE-DD Series
3.3µH
3.7A
15.5A
0.02ohm
-
1:1
12.5mm
12.5mm
10.5mm
Surface Mount
-40°C
125°C
-
4065781

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Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
€2.310
10+
€1.960
25+
€1.790
50+
€1.670
100+
€1.570
Min: 1 / Mult: 1
WE-DD Series
6.8µH
3.3A
11.5A
0.031ohm
-
1:1
12.5mm
12.5mm
10.5mm
Surface Mount
-40°C
125°C
-
4065779RL

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Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
€1.570
Min: 100 / Mult: 1
WE-DD Series
3.3µH
3.7A
15.5A
0.02ohm
-
1:1
12.5mm
12.5mm
10.5mm
Surface Mount
-40°C
125°C
-
4065789

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Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
€1.860
50+
€1.340
100+
€1.270
250+
€1.190
500+
€1.170
Min: 1 / Mult: 1
WE-DPC Series
4.7µH
3.1A
2.1A
0.062ohm
270nH
1:1
6mm
6mm
4.1mm
Surface Mount
-40°C
125°C
-
4065790RL

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Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
€1.260
250+
€1.180
500+
€1.160
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WE-DPC Series
6.8µH
2.3A
1.8A
0.085ohm
350nH
1:1
6mm
6mm
4.1mm
Surface Mount
-40°C
125°C
-
4292035RL

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100+
€1.270
200+
€1.220
500+
€1.170
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ATL-1Z090610S Series
150nH
75A
62A
125µohm
10nH
-
9.3mm
6.1mm
10.2mm
Surface Mount
-40°C
125°C
-
4292035

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Each (Supplied on Cut Tape)
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1+
€2.630
10+
€1.550
50+
€1.410
100+
€1.270
200+
€1.220
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ATL-1Z090610S Series
150nH
75A
62A
125µohm
10nH
-
9.3mm
6.1mm
10.2mm
Surface Mount
-40°C
125°C
-
1869680

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Each (Supplied on Cut Tape)
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1+
€2.330
10+
€2.220
50+
€2.060
100+
€1.900
200+
€1.700
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WE-DD Series
100µH
1.5A
1.8A
0.36ohm
-
1:1
12.5mm
12.5mm
6.5mm
Surface Mount
-40°C
125°C
-
2374060

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Each (Supplied on Cut Tape)
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1+
€1.380
10+
€1.140
50+
€0.997
100+
€0.909
200+
€0.863
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Min: 1 / Mult: 1
SRF1260A Series
3.3µH
9.26A
12.7A
0.0101ohm
-
1:1
12.5mm
12.5mm
6mm
Surface Mount
-40°C
125°C
AEC-Q200
2249882

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Date/Lot Code

Each
1+
€3.520
50+
€3.040
100+
€2.750
250+
€2.740
500+
€2.550
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Min: 1 / Mult: 1
WE-EHPI Series
25µH
1.5A
700mA
0.24ohm
-
1:20
6mm
6mm
4mm
Surface Mount
-40°C
125°C
-
1463539

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€4.320
10+
€3.770
50+
€3.540
100+
€3.480
200+
€3.450
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Min: 1 / Mult: 1
OCTA-PAC CTX 4 Series
9.6µH
3.4A
-
0.019ohm
-
1:1
11.43mm
11.43mm
6.35mm
Surface Mount
-40°C
125°C
-
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