Coupled Inductors:

556 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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4292046RL

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100+
HK$10.860
200+
HK$9.710
400+
HK$8.920
Min: 100 / Mult: 1
ATL-1Z110611S Series
200nH
77A
58A
125µohm
12nH
-
11.7mm
5.7mm
11mm
Surface Mount
-40°C
125°C
-
4659309RL

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100+
HK$15.070
200+
HK$14.040
600+
HK$13.280
Min: 100 / Mult: 1
-
170nH
40A
24A
250µohm
-
-
12.3mm
8mm
6mm
-
-40°C
125°C
-
4644874RL

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100+
HK$8.910
250+
HK$8.740
500+
HK$8.560
1500+
HK$8.380
Min: 100 / Mult: 1
-
1mH
260mA
250mA
6.11ohm
-
-
7.6mm
7.6mm
3.4mm
-
-55°C
150°C
-
4308676RL

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10+
HK$59.930
50+
HK$52.280
100+
HK$51.340
200+
HK$50.400
600+
HK$49.460
Min: 10 / Mult: 1
ERUC23 Series
2.8µH
27A
61A
0.00125ohm
5.4µH
-
26.8mm
13.8mm
13.8mm
Surface Mount
-40°C
150°C
AEC-Q200
4360053

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1+
HK$20.060
10+
HK$19.160
100+
HK$16.360
500+
HK$12.910
1000+
HK$12.660
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Min: 1 / Mult: 1
-
47µH
1.1A
2.4A
0.18ohm
-
1:1
12.5mm
12.5mm
6.5mm
Surface Mount
-40°C
125°C
-
4203904RL

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100+
HK$3.580
250+
HK$3.450
500+
HK$3.360
1500+
HK$3.190
Min: 100 / Mult: 1
SRF0703 Series
100µH
730mA
790mA
0.715ohm
-
1:1
7.6mm
7.6mm
3.4mm
Surface Mount
-40°C
125°C
-
2454998RL

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100+
HK$6.200
250+
HK$5.730
500+
HK$5.410
1500+
HK$4.640
Min: 100 / 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
4659311RL

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100+
HK$17.940
200+
HK$16.730
600+
HK$15.820
Min: 100 / Mult: 1
-
170nH
40A
24A
250µohm
-
-
12.3mm
8mm
6mm
-
-40°C
125°C
-
4659310

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HK$24.540
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HK$20.660
50+
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100+
HK$16.510
200+
HK$15.390
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Min: 1 / Mult: 1
PGL725XHLT Series
170nH
40A
24A
250µohm
-
-
12.3mm
8mm
6mm
Surface Mount
-40°C
125°C
-
4132358

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HK$18.750
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HK$16.610
100+
HK$15.290
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HK$14.640
500+
HK$13.980
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Min: 1 / Mult: 1
WE-DD Series
4.7µH
1.3A
3A
0.075ohm
-
1:1
7.3mm
7.3mm
4mm
Surface Mount
-40°C
125°C
-
4065777RL

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100+
HK$16.600
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HK$15.380
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HK$14.260
1000+
HK$12.960
5000+
HK$12.690
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Min: 100 / Mult: 1
WE-DD Series
33µH
700mA
1.5A
0.5ohm
-
1:1
7.3mm
7.3mm
4.8mm
Surface Mount
-40°C
125°C
-
2455001RL

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HK$4.740
250+
HK$4.620
500+
HK$4.570
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SRF0703A Series
68µH
890mA
960mA
0.507ohm
-
1:1
7.6mm
7.6mm
3.4mm
Surface Mount
-40°C
125°C
AEC-Q200
4292044RL

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100+
HK$10.860
200+
HK$9.830
400+
HK$8.920
Min: 100 / Mult: 1
ATL-1Z110611S Series
150nH
77A
84A
125µohm
12nH
-
11.7mm
5.7mm
11mm
Surface Mount
-40°C
125°C
-
4292043RL

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100+
HK$10.860
200+
HK$9.830
400+
HK$8.920
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ATL-1Z110611S Series
120nH
77A
102A
125µohm
12nH
-
11.7mm
5.7mm
11mm
Surface Mount
-40°C
125°C
-
2454996RL

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100+
HK$5.680
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HK$5.140
500+
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1500+
HK$4.570
Min: 100 / Mult: 1
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
4292045

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HK$16.030
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HK$13.070
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HK$11.970
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HK$10.860
200+
HK$10.000
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Min: 1 / Mult: 1
ATL-1Z110611S Series
170nH
77A
70A
125µohm
12nH
-
11.7mm
5.7mm
11mm
Surface Mount
-40°C
125°C
-
4644880RL

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HK$9.290
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HK$8.960
500+
HK$8.720
1500+
HK$8.550
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-
33µH
1.31A
1.35A
0.24ohm
-
-
7.6mm
7.6mm
3.4mm
-
-55°C
150°C
-
4644889RL

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HK$8.960
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HK$8.720
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-
820µH
270mA
280mA
5.01ohm
-
-
7.6mm
7.6mm
3.4mm
-
-55°C
150°C
-
2288080

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HK$23.970
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HK$21.480
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HK$19.600
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HK$18.790
200+
HK$16.470
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Min: 1 / Mult: 1
MSD1278 Series
150nH
910mA
2.8A
0.23ohm
1.46µH
1:1
12.3mm
12.3mm
8.05mm
Surface Mount
-40°C
85°C
AEC-Q200
1653717

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1+
HK$51.960
2+
HK$49.660
3+
HK$47.360
5+
HK$45.060
10+
HK$42.750
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Min: 1 / Mult: 1
OCTA-PAC CTX 3 Series
32.86µH
960mA
-
0.083ohm
-
1:1
11.43mm
11.43mm
4.83mm
Surface Mount
-40°C
125°C
-
1869696RL

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100+
HK$18.090
200+
HK$16.160
500+
HK$14.230
Min: 100 / Mult: 1
WE-DD Series
150nH
1A
1.7A
0.4ohm
-
1:1
12.5mm
12.5mm
8.5mm
Surface Mount
-40°C
125°C
-
1869696

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HK$22.120
10+
HK$21.050
50+
HK$19.570
100+
HK$18.090
200+
HK$16.160
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Min: 1 / Mult: 1
WE-DD Series
150nH
1A
1.7A
0.4ohm
-
1:1
12.5mm
12.5mm
8.5mm
Surface Mount
-40°C
125°C
-
2288080RL

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Each (Supplied on Cut Tape)
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Packaging Options
100+
HK$18.790
200+
HK$16.470
500+
HK$14.280
Min: 100 / Mult: 1
MSD1278 Series
150nH
910mA
2.8A
0.23ohm
1.46µH
1:1
12.3mm
12.3mm
8.05mm
Surface Mount
-40°C
85°C
AEC-Q200
2455025

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Each (Supplied on Cut Tape)
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1+
HK$15.710
10+
HK$12.990
50+
HK$11.350
100+
HK$10.690
200+
HK$9.790
More Pricing...
Min: 1 / Mult: 1
SRF1280A Series
15µH
5.03A
9.66A
0.0333ohm
-
1:1
12.5mm
12.5mm
8mm
Surface Mount
-40°C
125°C
AEC-Q200
1612135RL

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Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
10+
HK$47.020
50+
HK$46.800
100+
HK$46.570
200+
HK$46.340
600+
HK$46.110
Min: 10 / Mult: 1
OCTA-PAC CTX 4 Series
4.9µH
4.4A
-
0.014ohm
-
1:1
11.43mm
11.43mm
6.35mm
Surface Mount
-40°C
125°C
-
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