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Updated at 17/06/2025 10:30:15(UTC+8)

Certifications

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Description

The WE-LQS series is a compact semi-shielded power inductor which has the lowest RDC values compared to other SMD inductors in the Wurth Electronics portfolio. This compact power inductor is characterized by the robust design and the high durability. These inductor is particularly suitable for low consumption applications and may also be recommended for Energy Harvesting designs, high efficiency switching controllers and integrated DC/DC converters.
Tiny Power Inductor Design
1.7 times more current in comparison with unshielded versions
Robust design and large durability
Low RDC
Magnetically shielded with magnetic glue reducing buzz noise in ultra-low levels
Operating temperature: -40°C to +125°C

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74404042100 Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Case/Package	4mm x 4mm x 1.8mm
Current Rating	1.2 A
Capacitance Tolerance	±20 %
Inductance	10 µH
Self Resonant Frequency	28 MHz
Part Family	WE-LQS
Inductance Tolerance	±20 %
Test Frequency	100 kHz
DC Resistance (DCR)	150 mΩ
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Resistance (DC Max)	0.15 Ω
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Size-Length	4 mm
Size-Width	4 mm
Size-Height	1.8 mm
Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2014/06/16

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