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Wurth Elektronik WE-LQS 4018 Shielded Wirewound Surface Mount Inductor with Iron Core 220μH ±20% 250mA 3.45Ω 74404042221
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 | 220μH |
| Standards/Approvals | IEC 61249-2-21, JEDEC JS709B, REACH, RoHS |
| Package/Case | 4018 |
| Maximum DC Current | 250mA |
| Pin Count | 2 |
| Maximum DC Resistance | 3.45Ω |
| Inductance Tolerance | ±20 % |
| Termination Style | Surface Mount |
| Maximum Self Resonant Frequency | 5.3MHz |
| Inductor Construction | Moulded |
| Automotive Standard | AEC-Q200 |
Key Features
- This shielded inductor features a compact 4018 package suitable for surface mount applications.
- It is moulded for robustness and has a maximum operating temperature of 125°C.
- Designed with low DC resistance of 3.45Ω to ensure efficient current handling.
- Complies with IEC 61249-2-21, JEDEC JS709B, REACH and RoHS standards for reliability and environmental safety.
- Ideal for use in switching controllers, portable power devices, and other power inductor applications.
- Automotive standard AEC-Q200 certified for enhanced durability in automotive environments.
- Maximum self-resonant frequency is 5.3MHz, supporting high frequency applications.
- Package is tape and reel for efficient assembly in manufacturing processes.
Product Description
Wurth Elektronik model 74404042221 is a WE-LQS series shielded wirewound surface mount inductor featuring a 220μH inductance and an iron core for magnetic efficiency and stability. It is designed in a 4018 moulded package with dimensions 4mm length, 4mm depth, and 1.8mm height, suitable for high-density PCB assembly.
This device operates reliably within a temperature range of -40°C to 125°C, making it ideal for industrial, automotive, and consumer electronics applications. It supports a maximum DC current of 250mA while maintaining low DC resistance of 3.45Ω, ensuring energy efficiency in power conversion and filtering circuits.
The inductor provides excellent magnetic shielding and complies with IEC 61249-2-21, JEDEC JS709B, REACH, and RoHS standards, ensuring compliance with international safety and environmental regulations. It is AEC-Q200 certified, confirming its suitability for automotive electronic applications where robustness and reliability are critical.
Its maximum self-resonant frequency of 5.3MHz allows effective performance in switching regulators and DC/DC converter designs typically used in portable devices like smartphones, PDAs, digital cameras, and televisions.
The product is supplied in tape and reel packaging, facilitating automated mounting and improving production efficiency. The shielded construction minimizes electromagnetic interference, supporting high-performance designs in compact form factors.
Compact 4018 surface mount package for space-saving applications. Iron core enhances magnetic performance and stability. Maximum operating temperature of 125°C suitable for harsh environments. Low DC resistance (3.45Ω) improves power efficiency.
AEC-Q200 automotive qualified for demanding applications. Environmentally compliant with RoHS and REACH regulations. Suitable for switching controllers and portable power applications. Shielded design reduces electromagnetic interference.
Explore the Wurth Elektronik range of Surface Mount Inductors on EnvMart for reliable and efficient components in your power electronics designs.
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Frequently Asked Questions
This model features an inductance value of 220μH with a tolerance of ±20%.
It supports a maximum DC current of 250mA, ensuring efficient current handling in applications.
The dimensions of this inductor are 4mm in length, 4mm in depth, and 1.8mm in height.
The maximum operating temperature is 125°C, making it suitable for various applications including automotive environments.
It is supplied in tape and reel packaging, which facilitates automated assembly in manufacturing processes.
It complies with IEC 61249-2-21, JEDEC JS709B, REACH, and RoHS standards, ensuring reliability and environmental safety.
The core material of this inductor is iron, which enhances its magnetic performance and stability.
The maximum self-resonant frequency is 5.3MHz, allowing effective performance in high-frequency applications.
Yes, it is AEC-Q200 certified, confirming its suitability for demanding automotive electronic applications.
The inductor has a low DC resistance of 3.45Ω, which helps improve power efficiency in circuits.
It features a surface mount termination style, making it suitable for high-density PCB assembly.
It is ideal for use in switching controllers, portable power devices, and other power inductor applications.
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