Coupled Inductors:

628 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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2249880

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1+
€4.490
50+
€3.530
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€3.320
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€3.130
500+
€2.860
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Min: 1 / Mult: 1
WE-EHPI Series
13µH
1.7A
1A
0.1ohm
-
1:50
6mm
6mm
4mm
Surface Mount
-40°C
125°C
-
1852877

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€1.660
10+
€1.360
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€1.240
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€1.120
200+
€1.070
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Min: 1 / Mult: 1
SRF1280 Series
100µH
1.96A
3.64A
0.175ohm
-
1:1
12.5mm
12.5mm
8mm
Surface Mount
-40°C
125°C
-
2434773

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€3.460
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€2.370
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€2.170
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€1.640
200+
€1.620
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Min: 1 / Mult: 1
LPR6235 Series
12.5µH
-
900mA
200ohm
-
1:50
6mm
6mm
3.5mm
Surface Mount
-40°C
85°C
-
2249879

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1+
€3.680
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€3.150
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€2.880
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€2.650
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€2.600
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WE-EHPI Series
7.5µH
1.9A
1.3A
0.095ohm
-
1:100
6mm
6mm
4mm
Surface Mount
-40°C
125°C
-
2455021

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€1.820
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€1.510
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€1.320
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€1.250
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€1.240
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SRF1280A Series
4.7µH
8.25A
16.5A
0.0135ohm
-
1:1
12.5mm
12.5mm
8mm
Surface Mount
-40°C
125°C
AEC-Q200
2434762

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€2.320
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€1.590
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€1.440
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€1.230
200+
€1.140
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Min: 1 / Mult: 1
LPD6235 Series
2mH
110mA
80mA
8ohm
2.1µH
1:1
6mm
6mm
3.5mm
Surface Mount
-40°C
125°C
AEC-Q200
1612156

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€1.740
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€1.430
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€1.320
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€1.180
200+
€1.140
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DRQ Series
33.92µH
3.23A
6.22A
0.06ohm
-
1:1
12.5mm
12.5mm
8mm
Surface Mount
-40°C
125°C
-
1852871

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€1.660
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€1.360
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€1.240
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€1.120
200+
€1.100
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Min: 1 / Mult: 1
SRF1280 Series
22µH
4A
7.57A
0.0503ohm
-
1:1
12.5mm
12.5mm
8mm
Surface Mount
-40°C
125°C
-
1852854

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€1.500
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€1.270
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€1.160
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€0.901
200+
€0.849
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Min: 1 / Mult: 1
SRF1260 Series
220µH
1.19A
1.51A
0.354ohm
-
1:1
12.5mm
12.5mm
6mm
Surface Mount
-40°C
105°C
-
1869697

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€2.850
10+
€2.710
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€2.520
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€2.330
200+
€2.130
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Min: 1 / Mult: 1
WE-DD Series
220µH
900mA
1.4A
0.65ohm
-
1:1
12.5mm
12.5mm
8.5mm
Surface Mount
-40°C
125°C
-
1869664

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€2.380
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€2.120
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€1.950
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€1.930
500+
€1.800
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Min: 1 / Mult: 1
WE-DD Series
10µH
1.1A
2.8A
0.12ohm
-
1:1
7.3mm
7.3mm
4.8mm
Surface Mount
-40°C
125°C
-
2434747

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1+
€2.540
10+
€1.960
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€1.890
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€1.810
400+
€1.380
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LPD5030 Series
100µH
330mA
470mA
0.895ohm
370nH
1:1
4.8mm
4.8mm
2.9mm
Surface Mount
-40°C
85°C
AEC-Q200
2454996

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€0.986
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€0.725
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€0.687
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€0.652
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€0.620
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SRF0703A Series
10µH
2.08A
2.47A
0.0826ohm
-
1:1
7.6mm
7.6mm
3.4mm
Surface Mount
-40°C
125°C
AEC-Q200
2374058

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€1.380
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€1.140
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€1.000
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€0.938
200+
€0.887
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Min: 1 / Mult: 1
SRF1260A Series
1.5µH
13.8A
18.3A
7.3µohm
-
1:1
12.5mm
12.5mm
6mm
Surface Mount
-40°C
125°C
AEC-Q200
1869686

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€2.850
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€2.710
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€2.520
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€2.330
200+
€2.300
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Min: 1 / Mult: 1
WE-DD Series
22µH
2.45A
5.2A
0.08ohm
-
1:1
12.5mm
12.5mm
8.5mm
Surface Mount
-40°C
125°C
-
1869703

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€2.850
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€2.700
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€2.460
100+
€2.260
200+
€2.050
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Min: 1 / Mult: 1
WE-DD Series
10µH
3.81A
7.2A
0.036ohm
-
1:1
12.5mm
12.5mm
8.5mm
Surface Mount
-40°C
125°C
-
1852828

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€0.934
50+
€0.722
100+
€0.563
250+
€0.520
500+
€0.491
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Min: 1 / Mult: 1
SRF0703 Series
220µH
520mA
530mA
1.48ohm
-
1:1
7.6mm
7.6mm
3.4mm
Surface Mount
-40°C
125°C
-
1852852

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€1.270
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€1.050
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€0.982
100+
€0.837
200+
€0.830
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Min: 1 / Mult: 1
SRF1260 Series
100µH
1.78A
2.2A
0.171ohm
-
1:1
12.5mm
12.5mm
6mm
Surface Mount
-40°C
105°C
-
1852815

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€0.754
50+
€0.623
100+
€0.512
250+
€0.503
500+
€0.492
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Min: 1 / Mult: 1
SRF0703 Series
4.7µH
3.09A
3.78A
0.0406ohm
-
1:1
7.6mm
7.6mm
3.4mm
Surface Mount
-40°C
125°C
-
1869666

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€2.170
50+
€1.930
100+
€1.770
250+
€1.700
500+
€1.630
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Min: 1 / Mult: 1
WE-DD Series
100µH
650mA
900mA
1.3ohm
-
1:1
7.3mm
7.3mm
4.8mm
Surface Mount
-40°C
125°C
-
1869658

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Each
1+
€2.170
50+
€1.930
100+
€1.770
250+
€1.760
500+
€1.620
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Min: 1 / Mult: 1
WE-DD Series
47µH
900mA
1A
0.75ohm
-
1:1
7.3mm
7.3mm
4mm
Surface Mount
-40°C
125°C
-
2429152

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€2.300
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€1.600
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€1.530
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€1.400
200+
€1.330
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Min: 1 / Mult: 1
IHCL-4040DZ-5A Series
22µH
2.6A
4.75A
0.19ohm
-
1:1
10.67mm
10.16mm
4mm
Surface Mount
-55°C
155°C
AEC-Q200
2288148

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Each (Supplied on Cut Tape)
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1+
€4.160
10+
€2.850
25+
€2.460
50+
€2.450
100+
€1.970
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Min: 1 / Mult: 1
MSD1583 Series
1mH
420mA
1.17A
1.2ohm
2.02µH
1:1
14.8mm
14.8mm
8.6mm
Surface Mount
-40°C
85°C
-
2454998

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Each (Supplied on Cut Tape)
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€1.320
50+
€1.010
100+
€0.794
250+
€0.732
500+
€0.692
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Min: 1 / Mult: 1
SRF0703A Series
22µH
1.62A
1.67A
0.15ohm
-
1:1
7.6mm
7.6mm
3.4mm
Surface Mount
-40°C
125°C
AEC-Q200
2455001

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Each (Supplied on Cut Tape)
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1+
€1.040
50+
€0.761
100+
€0.719
250+
€0.611
500+
€0.577
Min: 1 / Mult: 1
SRF0703A Series
68µH
890mA
960mA
0.507ohm
-
1:1
7.6mm
7.6mm
3.4mm
Surface Mount
-40°C
125°C
AEC-Q200
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