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Wurth Elektronik WE-LQS 4018 Shielded Wirewound Surface Mount Inductor with Iron Core 330 μH ±20% 200 mA 74404042331
Specifications
| Country of Origin | China |
|---|---|
| Brand | Wurth Elektronik |
| Height | 1.8mm |
| Length | 4mm |
| Depth | 4mm |
| Packaging | Tape & Reel |
| Series | WE-LQS |
| Maximum Operating Temperature | 125°C |
| Minimum Operating Temperature | -40°C |
| Core Material | Iron |
| Inductance | 330μH |
| Standards/Approvals | IEC 61249-2-21, JEDEC JS709B, REACH, RoHS |
| Package/Case | 4018 |
| Maximum DC Current | 200mA |
| Pin Count | 2 |
| Maximum DC Resistance | 5.3Ω |
| Inductance Tolerance | ±20 % |
| Termination Style | Surface Mount |
| Maximum Self Resonant Frequency | 4.2MHz |
| Inductor Construction | Moulded |
| Automotive Standard | AEC-Q200 |
Key Features
- Compact 4018 package size suitable for surface mount technology.
- Maximum DC current rating of 200 mA to handle moderate current loads.
- Robust iron core construction ensuring efficient magnetic shielding.
- Low maximum DC resistance of 5.3 Ω to minimize power loss.
- Meets automotive standard AEC-Q200 for reliability in demanding applications.
- Operating temperature range from -40°C up to 125°C for versatile environments.
- Maximum self-resonant frequency of 4.2 MHz supporting high frequency circuits.
- Available in tape and reel packaging for automated assembly processes.
Product Description
Wurth Elektronik 74404042331 is a premium WE-LQS series shielded wirewound surface mount inductor featuring a 330 μH inductance with ±20% tolerance, constructed with an iron core for robust magnetic performance. Designed for compact applications, it comes in a 4018 package size with a length of 4 mm and height of 1.8 mm, suitable for surface mount technology (SMT).
This inductor supports a maximum DC current of 200 mA and operates reliably within -40°C to 125°C, conforming to the automotive AEC-Q200 standard and certifications such as IEC 61249-2-21, JEDEC JS709B, REACH, and RoHS, making it ideal for automotive and industrial electronic equipment.
The low maximum DC resistance of 5.3 Ω reduces power dissipation, while the maximum self-resonant frequency of 4.2 MHz ensures suitability in high-frequency switching regulator circuits. Its iron core and molded construction provide excellent magnetic shielding and durability.
The component is packaged in tape and reel format to facilitate high-volume automated PCB assembly, enhancing production efficiency. It is an essential component for power management in switching controllers, portable devices such as PDAs, smartphones, digital cameras, and TVs, where magnetically shielded inductors and low RDC are critical.
Compact 4018 SMT package with iron core construction. 330 μH inductance value with ±20% tolerance. Maximum DC current of 200 mA suitable for moderate loads. Robust magnetic shielding reduces electromagnetic interference.
Compliant with automotive and international standards for quality. Wide operating temperature range of -40°C to 125°C. Low DC resistance contributing to energy efficiency. Available in tape and reel packaging for streamlined manufacturing.
Designed for use in switching power supplies and portable electronics. Manufactured in China under strict quality controls.
This Wurth Elektronik WE-LQS shielded wirewound Surface Mount Inductor combines compact size, reliable shielding, and high performance, making it a preferred choice across industrial, automotive, and consumer electronics applications. Browse the Electronics Components category on EnvMart for more inductors and related parts from Wurth Elektronik and other top manufacturers.
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Frequently Asked Questions
This model features an inductance value of 330 μH with a tolerance of ±20%.
The maximum DC current rating for this inductor is 200 mA, suitable for moderate current loads.
It operates reliably within a temperature range of -40°C to 125°C, making it versatile for various environments.
The dimensions of the 4018 package are 4 mm in length, 4 mm in depth, and 1.8 mm in height.
The maximum self-resonant frequency is 4.2 MHz, which supports high-frequency circuits.
This inductor is constructed with an iron core, providing robust magnetic performance and shielding.
It meets automotive standard AEC-Q200 and other certifications including IEC 61249-2-21, JEDEC JS709B, REACH, and RoHS.
It is available in tape and reel packaging, which facilitates automated assembly processes.
The maximum DC resistance is 5.3 Ω, which helps minimize power loss.
This model features a surface mount termination style, suitable for SMT applications.
It is designed for use in switching power supplies and portable electronics, such as PDAs, smartphones, and digital cameras.
This inductor has a pin count of 2, which is typical for surface mount inductors.
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