Coupled Inductors:

564 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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Inductance, Parallel
RMS Current, Parallel
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1852820

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM3.970
50+
RM3.260
100+
RM2.690
250+
RM2.640
500+
RM2.620
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Min: 1 / Mult: 1
SRF0703 Series
22µH
1.62A
1.67A
0.15ohm
-
1:1
7.6mm
7.6mm
3.4mm
Surface Mount
-40°C
125°C
-
1852848

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM6.390
10+
RM5.320
50+
RM4.850
100+
RM4.370
200+
RM3.860
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Min: 1 / Mult: 1
SRF1260 Series
47µH
2.71A
3.24A
0.086ohm
-
1:1
12.5mm
12.5mm
6mm
Surface Mount
-40°C
105°C
-
2287510

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM9.960
10+
RM9.230
50+
RM8.490
200+
RM6.600
400+
RM5.970
More Pricing...
Min: 1 / Mult: 1
LPD5030 Series
3.3µH
1.7A
2.5A
0.0385ohm
100nH
1:1
4.8mm
4.8mm
2.9mm
Surface Mount
-40°C
85°C
AEC-Q200
3221542

RoHS

Each
1+
RM17.150
10+
RM16.160
50+
RM15.190
200+
RM13.910
400+
RM12.690
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Min: 1 / Mult: 1
WE-MCRI Series
2.2µH
8.2A
20.6A
0.0165ohm
180nH
1:1
11mm
10mm
4mm
Surface Mount
-40°C
125°C
-
3582957

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Each (Supplied on Cut Tape)
Cut Tape
1+
RM6.120
50+
RM5.420
100+
RM4.980
250+
RM4.970
Min: 1 / Mult: 1
WE-DD Series
10µH
1A
2A
0.165ohm
-
1:1
7.3mm
7.3mm
4mm
Surface Mount
-40°C
125°C
-
1195550

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Each (Supplied on Cut Tape)
Cut Tape
1+
RM12.380
10+
RM10.300
100+
RM9.920
500+
RM9.730
1000+
RM9.530
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Min: 1 / Mult: 1
-
-
1.53A
1.29A
-
-
-
-
-
-
-
-
-
-
1852820RL

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Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
RM2.690
250+
RM2.640
500+
RM2.620
1500+
RM2.020
Min: 100 / Mult: 1
SRF0703 Series
22µH
1.62A
1.67A
0.15ohm
-
1:1
7.6mm
7.6mm
3.4mm
Surface Mount
-40°C
125°C
-
2287510RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
50+
RM8.490
200+
RM6.600
400+
RM5.970
750+
RM3.860
Min: 100 / Mult: 1
LPD5030 Series
3.3µH
1.7A
2.5A
0.0385ohm
100nH
1:1
4.8mm
4.8mm
2.9mm
Surface Mount
-40°C
85°C
AEC-Q200
1852848RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
RM4.370
200+
RM3.860
400+
RM3.340
Min: 100 / Mult: 1
SRF1260 Series
47µH
2.71A
3.24A
0.086ohm
-
1:1
12.5mm
12.5mm
6mm
Surface Mount
-40°C
105°C
-
3221546

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Each
1+
RM16.190
10+
RM14.310
50+
RM12.280
200+
RM11.260
400+
RM10.730
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Min: 1 / Mult: 1
WE-MCRI Series
4.7µH
6.2A
13.8A
0.029ohm
225nH
1:1
11mm
10mm
4mm
Surface Mount
-40°C
125°C
-
3221545

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Each
1+
RM16.440
10+
RM15.020
50+
RM12.870
100+
RM11.780
500+
RM11.200
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Min: 1 / Mult: 1
WE-MCRI Series
3.3µH
6.8A
14.3A
0.0235ohm
210nH
1:1
11mm
10mm
4mm
Surface Mount
-40°C
125°C
-
3582957RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
RM4.980
250+
RM4.970
Min: 100 / Mult: 1
WE-DD Series
10µH
1A
2A
0.165ohm
-
1:1
7.3mm
7.3mm
4mm
Surface Mount
-40°C
125°C
-
1195175

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Each (Supplied on Cut Tape)
Cut Tape
1+
RM32.150
2+
RM30.450
3+
RM28.750
5+
RM27.050
10+
RM25.350
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Min: 1 / Mult: 1
-
-
-
-
0.365ohm
-
-
-
-
-
-
-
-
-
1194210

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1+
RM32.040
10+
RM24.890
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RM20.830
100+
RM19.290
200+
RM17.820
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Min: 1 / Mult: 1
-
100.57µH
1.37A
1.32A
0.235ohm
-
-
-
-
-
-
-
-
-
4065794

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Each (Supplied on Cut Tape)
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1+
RM4.930
50+
RM4.550
100+
RM4.440
Min: 1 / Mult: 1
WE-DPC Series
33µH
1A
900mA
0.24ohm
900nH
1:1
6mm
6mm
4.1mm
Surface Mount
-40°C
125°C
-
4065794RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
RM4.440
Min: 100 / Mult: 1
WE-DPC Series
33µH
1A
900mA
0.24ohm
900nH
1:1
6mm
6mm
4.1mm
Surface Mount
-40°C
125°C
-
1194399

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Each (Supplied on Cut Tape)
Cut Tape
1+
RM8.480
10+
RM7.130
50+
RM6.930
100+
RM5.630
200+
RM5.480
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Min: 1 / Mult: 1
-
66.48µH
2.44A
-
-
-
-
-
-
-
-
-
-
-
2288160

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Each (Supplied on Cut Tape)
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1+
RM22.140
10+
RM21.030
25+
RM19.920
50+
RM18.810
100+
RM17.690
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Min: 1 / Mult: 1
MSD7342 Series
4.7µH
1.74A
4.1A
0.0255ohm
110nH
1:1
7.5mm
7.5mm
4.6mm
Surface Mount
-40°C
85°C
AEC-Q200
3221547

RoHS

WURTH ELEKTRONIK
Each
1+
RM16.190
10+
RM14.310
50+
RM12.280
200+
RM11.260
400+
RM11.220
More Pricing...
Min: 1 / Mult: 1
WE-MCRI Series
6.8µH
5A
12A
0.044ohm
240nH
1:1
11mm
10mm
4mm
Surface Mount
-40°C
125°C
-
3225383

RoHS

Each (Supplied on Cut Tape)
Cut Tape
5+
RM10.730
50+
RM8.850
250+
RM6.630
500+
RM6.050
1000+
RM5.860
More Pricing...
Min: 5 / Mult: 5
SRF1010DA Series
430nH
27A
38A
0.0023ohm
-
1:1
12mm
9.6mm
11.3mm
Surface Mount
-55°C
155°C
AEC-Q200
2288160RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
RM17.690
250+
RM13.250
Min: 100 / Mult: 1
MSD7342 Series
4.7µH
1.74A
4.1A
0.0255ohm
110nH
1:1
7.5mm
7.5mm
4.6mm
Surface Mount
-40°C
85°C
AEC-Q200
3225382RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
50+
RM8.850
250+
RM5.860
500+
RM5.750
1000+
RM5.630
2400+
RM5.510
Min: 100 / Mult: 5
SRF1010DA Series
7.5µH
6.8A
10A
0.028ohm
-
1:1
12mm
9.6mm
11.3mm
Surface Mount
-55°C
155°C
AEC-Q200
3225377RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
50+
RM8.540
250+
RM7.080
500+
RM6.350
1000+
RM5.860
2400+
RM5.750
Min: 100 / Mult: 5
SRF1010DA Series
10µH
5.6A
7.4A
0.0326ohm
-
1:1
12mm
9.6mm
11.3mm
Surface Mount
-55°C
155°C
AEC-Q200
3225383RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
50+
RM8.850
250+
RM6.630
500+
RM6.050
1000+
RM5.860
2400+
RM5.750
Min: 100 / Mult: 5
SRF1010DA Series
430nH
27A
38A
0.0023ohm
-
1:1
12mm
9.6mm
11.3mm
Surface Mount
-55°C
155°C
AEC-Q200
3225381

RoHS

Each (Supplied on Cut Tape)
Cut Tape
5+
RM10.210
50+
RM8.380
250+
RM6.890
500+
RM6.760
1000+
RM6.620
More Pricing...
Min: 5 / Mult: 5
SRF1010DA Series
5.6µH
7.5A
11A
0.023ohm
-
1:1
12mm
9.6mm
11.3mm
Surface Mount
-55°C
155°C
AEC-Q200
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