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Wurth Elektronik WE-LQSH 4020 Shielded Wirewound Surface Mount Inductor with Ferrite Core 1μH ±20% 4A 125°C 74405042010
Specifications
| Country of Origin | China |
|---|---|
| Brand | Wurth Elektronik |
| Height | 2mm |
| Length | 4mm |
| Depth | 3.7mm |
| Packaging | Tape & Reel |
| Series | WE-LQSH |
| Maximum Operating Temperature | 125°C |
| Minimum Operating Temperature | -40°C |
| Core Material | Ferrite |
| Inductance | 1μH |
| Standards/Approvals | REACH, RoHS |
| Package/Case | 4020 |
| Maximum DC Current | 4A |
| Pin Count | 2 |
| Maximum DC Resistance | 26mΩ |
| Inductance Tolerance | ±20 % |
| Termination Style | Surface Mount |
| Maximum Self Resonant Frequency | 55MHz |
| Inductor Construction | Wirewound |
Key Features
- Compact SMD inductor with semi-shielded ferrite core design for reduced magnetic noise.
- Supports maximum operating temperature up to 125°C for reliable performance.
- Low DC resistance of 26mΩ enables efficient power handling.
- Designed for high saturation current applications with soft saturation behavior.
- Comes in tape and reel packaging for automated PCB assembly.
- Suitable for integrated DC-DC converters and switching controllers needing high efficiency.
- Constructed with wirewound technology and magnetic adhesive epoxy molding.
- Operating temperature range from -40°C to +125°C for industrial environments.
Product Description
Wurth Elektronik 74405042010 WE-LQSH 4020 series shielded wirewound Surface Mount Inductor offers 1μH inductance with a ferrite core and ±20% tolerance, tailored for power applications requiring high saturation current and compact design. It supports a maximum DC current of 4A and operates efficiently up to 125°C, making it suitable for harsh industrial and electronics environments.
This semi-shielded power inductor features a magnetic adhesive epoxy molding that reduces stray magnetic fields and noise, ideal for integrated DC-DC converters, portable smart devices such as smartphones and tablets, and embedded laptop and PC power supplies. Its wirewound construction enhances saturation current capability, allowing for 70% higher saturation than other comparable inductors.
With a low DC resistance of 26mΩ and maximum self-resonant frequency of 55MHz, this inductor ensures minimal power loss and high-frequency performance. The compact 4020 package measures 4mm in length, 3.7mm in depth, and 2mm in height, optimized for surface mount PCB applications. Packaging on tape and reel facilitates efficient automated assembly.
This product complies with REACH and RoHS standards, emphasizing environmental safety. It is manufactured in China and specifically designed for use in switching controllers requiring high efficiency, integrated DC-DC converters with high ripple currents, and other industrial and commercial electronics that demand reliable magnetic components.
Compact semi-shielded ferrite core construction reduces magnetic noise. Supports temperatures ranging from -40°C to 125°C for broad application flexibility. Wirewound technology delivers superior saturation current handling.
Low DC resistance improves energy efficiency in power circuits. Tape and reel packaging enables smooth surface mount production. Applications include portable devices, embedded PCs, and industrial power supplies. Compliant with REACH and RoHS for safer manufacturing and usage.
Compact 4020 footprint suitable for modern electronics design. Explore more high-quality inductors and electronic components at EnvMart for your professional and industrial needs.
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Frequently Asked Questions
This model has an inductance value of 1μH with a tolerance of ±20%.
The maximum DC current rating for this inductor is 4A, making it suitable for high saturation current applications.
It operates within a temperature range of -40°C to 125°C, suitable for harsh industrial environments.
The dimensions of this inductor are 4mm in length, 3.7mm in depth, and 2mm in height.
It features a ferrite core, which helps reduce magnetic noise and improve performance.
The maximum self-resonant frequency is 55MHz, ensuring high-frequency performance.
It comes in tape and reel packaging, facilitating efficient automated PCB assembly.
This product complies with REACH and RoHS standards, emphasizing environmental safety.
It is constructed using wirewound technology, which enhances saturation current capability.
It is suitable for integrated DC-DC converters, switching controllers, and portable smart devices.
The inductor has a low DC resistance of 26mΩ, which improves energy efficiency in power circuits.
This model has a pin count of 2, designed for surface mount applications.
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