SMD Power Inductors:

37 Products Found
We offer a wide range of semishielded, shielded, unshielded and wirewound SMD power inductors from multiple manufacturers.An SMD Inductor, or Surface Mount Device Inductor, has no wire leads on its ends. This type of inductor is mounted directly to the surface of a circuit board via a metal pad on each end of the device.An SMD inductor commonly comprises a small coil shaped much like a spring, made of an electrically conductive wire. Some SMD inductors have a core of some type at the centre of the coil. Depending on the material chosen to serve as a core, often ferrite based, and the size and density of the core itself, the operational properties of the coil can be altered to fit specific needs.How to choose a suitable deviceAs SMD power inductors are typically used for switching power supplies in portable applications like mobile phones, choosing a suitable device depends above all on its size. Circuit board space is at a premium, especially as ever more functionality, and an associated increase in current, is added to the phone.Other key criteria include the device’s inductance value at the power supply switching frequency, its coil DC resistance, the additional saturation current, the additional RMS current, the equivalent series impedance (ESR) and the Q factor. The choice of shielded or unshielded inductor type is also important, and depends on the application.Since chip inductor manufacturers rarely provide ESR and Q factor information, designers should ask them for it. The relationship between the inductance and the current given by the manufacturer is often limited to 25°C, so the relevant data within the desired operating temperature range should be obtained. The worst case is generally 85°C.
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2775389

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S$0.973
(S$1.0606)
50+
S$0.798
(S$0.8698)
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S$0.657
(S$0.7161)
250+
S$0.608
(S$0.6627)
500+
S$0.559
(S$0.6093)
More Pricing...
Min: 1 / Mult: 1
100µH
340mA
Shielded
200mA
SRR3818A Series
-
2.6ohm
± 20%
3.8mm
3.8mm
1.8mm
2329148

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S$0.980
(S$1.0682)
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S$0.715
(S$0.7794)
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S$0.665
(S$0.7248)
250+
S$0.605
(S$0.6594)
500+
S$0.540
(S$0.5886)
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Min: 1 / Mult: 1
1mH
220mA
Unshielded
200mA
SDR7045 Series
-
4ohm
± 10%
7mm
7mm
4.5mm
2428227

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S$0.530
(S$0.5777)
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S$0.438
(S$0.4774)
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S$0.359
(S$0.3913)
500+
S$0.327
(S$0.3564)
1500+
S$0.281
(S$0.3063)
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Min: 5 / Mult: 5
220µH
200mA
Semishielded
200mA
SRN4026 Series
-
2.76ohm
± 20%
4mm
4mm
2.5mm
2328801

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(S$0.6867)
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S$0.520
(S$0.5668)
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S$0.474
(S$0.5167)
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S$0.428
(S$0.4665)
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S$0.393
(S$0.4284)
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Min: 1 / Mult: 1
820µH
140mA
Unshielded
200mA
SDR0604 Series
-
5.2ohm
± 10%
5.8mm
5.8mm
4.8mm
2428227RL

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(S$0.4774)
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S$0.359
(S$0.3913)
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S$0.327
(S$0.3564)
1500+
S$0.281
(S$0.3063)
3000+
S$0.241
(S$0.2627)
Min: 100 / Mult: 1
220µH
200mA
Semishielded
200mA
SRN4026 Series
-
2.76ohm
± 20%
4mm
4mm
2.5mm
2328801RL

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S$0.428
(S$0.4665)
200+
S$0.393
(S$0.4284)
400+
S$0.358
(S$0.3902)
Min: 100 / Mult: 1
820µH
140mA
Unshielded
200mA
SDR0604 Series
-
5.2ohm
± 10%
5.8mm
5.8mm
4.8mm
2329148RL

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S$0.665
(S$0.7248)
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(S$0.5886)
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S$0.510
(S$0.5559)
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S$0.460
(S$0.5014)
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Min: 100 / Mult: 1
1mH
220mA
Unshielded
200mA
SDR7045 Series
-
4ohm
± 10%
7mm
7mm
4.5mm
2859222

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S$0.930
(S$1.0137)
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(S$0.836)
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S$0.750
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S$0.708
(S$0.7717)
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S$0.623
(S$0.6791)
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Min: 1 / Mult: 1
680µH
270mA
Shielded
200mA
SRR7045 Series
-
1.6ohm
± 20%
7mm
7mm
4.5mm
2859192RL

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S$0.707
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(S$0.7041)
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S$0.584
(S$0.6366)
Min: 100 / Mult: 1
220µH
340mA
Shielded
200mA
SRR4028 Series
1919 [4848 Metric]
1.25ohm
± 30%
4.8mm
4.8mm
2.8mm
2859222RL

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(S$0.6791)
1000+
S$0.538
(S$0.5864)
Min: 100 / Mult: 1
680µH
270mA
Shielded
200mA
SRR7045 Series
-
1.6ohm
± 20%
7mm
7mm
4.5mm
2763486

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(S$3.3354)
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S$2.420
(S$2.6378)
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S$2.390
(S$2.6051)
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Min: 1 / Mult: 1
820µH
210mA
Shielded
200mA
WE-PD Series
-
6.5ohm
± 20%
7.3mm
7.3mm
3.2mm
2775389RL

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S$0.657
(S$0.7161)
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S$0.608
(S$0.6627)
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S$0.559
(S$0.6093)
1000+
S$0.510
(S$0.5559)
Min: 100 / Mult: 1
100µH
340mA
Shielded
200mA
SRR3818A Series
-
2.6ohm
± 20%
3.8mm
3.8mm
1.8mm
2859192

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(S$1.1881)
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(S$0.9625)
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(S$0.8666)
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S$0.707
(S$0.7706)
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S$0.646
(S$0.7041)
More Pricing...
Min: 1 / Mult: 1
220µH
340mA
Shielded
200mA
SRR4028 Series
1919 [4848 Metric]
1.25ohm
± 30%
4.8mm
4.8mm
2.8mm
3227503

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(S$0.3913)
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S$0.358
(S$0.3902)
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S$0.357
(S$0.3891)
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S$0.356
(S$0.388)
1500+
S$0.356
(S$0.388)
Min: 5 / Mult: 5
220µH
200mA
Shielded
200mA
ASPI-0425 Series
-
2.3ohm
± 20%
4mm
4mm
2.5mm
3227503RL

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S$0.356
(S$0.388)
1500+
S$0.356
(S$0.388)
Min: 100 / Mult: 5
220µH
200mA
Shielded
200mA
ASPI-0425 Series
-
2.3ohm
± 20%
4mm
4mm
2.5mm
4360098

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S$1.220
(S$1.3298)
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S$1.200
(S$1.308)
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S$1.030
(S$1.1227)
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S$0.778
(S$0.848)
1000+
S$0.777
(S$0.8469)
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Min: 1 / Mult: 1
680µH
90mA
Unshielded
200mA
WE-LQ Series
-
16.8ohm
± 10%
4.5mm
3.2mm
2.6mm
4380756

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Each (Supplied on Cut Tape)
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S$1.080
(S$1.1772)
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S$0.834
(S$0.9091)
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S$0.741
(S$0.8077)
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S$0.648
(S$0.7063)
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S$0.585
(S$0.6377)
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Min: 1 / Mult: 1
56µH
-
Unshielded
200mA
3627 Series
-
1.7ohm
± 10%
4.5mm
3.2mm
2.6mm
2763486RL

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Each (Supplied on Cut Tape)
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S$2.450
(S$2.6705)
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(S$2.6378)
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S$2.390
(S$2.6051)
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S$2.120
(S$2.3108)
5000+
S$2.120
(S$2.3108)
More Pricing...
Min: 100 / Mult: 1
820µH
210mA
Shielded
200mA
WE-PD Series
-
6.5ohm
± 20%
7.3mm
7.3mm
3.2mm
4380756RL

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Each (Supplied on Cut Tape)
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Packaging Options
100+
S$0.648
(S$0.7063)
200+
S$0.585
(S$0.6377)
500+
S$0.521
(S$0.5679)
Min: 100 / Mult: 1
56µH
-
Unshielded
200mA
3627 Series
-
1.7ohm
± 10%
4.5mm
3.2mm
2.6mm
4360098RL

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Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
S$1.030
(S$1.1227)
500+
S$0.778
(S$0.848)
1000+
S$0.777
(S$0.8469)
2000+
S$0.762
(S$0.8306)
Min: 100 / Mult: 1
680µH
90mA
Unshielded
200mA
WE-LQ Series
-
16.8ohm
± 10%
4.5mm
3.2mm
2.6mm
2287075RL

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Each (Supplied on Cut Tape)
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200+
S$2.920
(S$3.1828)
600+
S$2.420
(S$2.6378)
3000+
S$2.250
(S$2.4525)
Min: 500 / Mult: 1
150µH
510mA
Shielded
200mA
1812PS Series
-
2.2ohm
± 5%
5.87mm
4.98mm
3.81mm
2287075

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S$4.920
(S$5.3628)
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S$4.420
(S$4.8178)
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S$3.920
(S$4.2728)
100+
S$3.420
(S$3.7278)
200+
S$2.920
(S$3.1828)
More Pricing...
Min: 1 / Mult: 1
150µH
510mA
Shielded
200mA
1812PS Series
-
2.2ohm
± 5%
5.87mm
4.98mm
3.81mm
2333765

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S$1.910
(S$2.0819)
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S$1.540
(S$1.6786)
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S$1.390
(S$1.5151)
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S$1.170
(S$1.2753)
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S$1.090
(S$1.1881)
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Min: 1 / Mult: 1
1.8mH
170mA
Shielded
200mA
SRR0906 Series
-
7ohm
± 15%
10mm
9.5mm
6mm
2333954

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Each (Supplied on Cut Tape)
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1+
S$0.887
(S$0.9668)
50+
S$0.730
(S$0.7957)
100+
S$0.601
(S$0.6551)
250+
S$0.546
(S$0.5951)
500+
S$0.490
(S$0.5341)
More Pricing...
Min: 1 / Mult: 1
470µH
200mA
Shielded
200mA
SRR7032 Series
-
2.4ohm
± 20%
7mm
7mm
3.2mm
2211558

RoHS

Each (Supplied on Cut Tape)
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1+
S$4.680
(S$5.1012)
50+
S$4.100
(S$4.469)
100+
S$3.400
(S$3.706)
250+
S$3.050
(S$3.3245)
500+
S$2.810
(S$3.0629)
More Pricing...
Min: 1 / Mult: 1
820µH
210mA
Shielded
200mA
WE-PD Series
-
6.54ohm
± 20%
7.3mm
7.3mm
3.2mm
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