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Wurth Elektronik WE-LHMI 4020 Shielded Multilayer Surface Mount Inductor with Composite Iron Powder Core 4.7 μH 74437324047
Specifications
| Country of Origin | India |
|---|---|
| Brand | Wurth Elektronik |
| Height | 1.8mm |
| Length | 4.06mm |
| Depth | 4.06mm |
| Packaging | Tape & Reel |
| Series | WE-LHMI |
| Maximum Operating Temperature | 125°C |
| Minimum Operating Temperature | -40°C |
| Core Material | Composite Iron Powder |
| Inductance | 4.7μH |
| Standards/Approvals | REACH, RoHS, JEDEC JS709B, IEC 61249-2-21 |
| Package/Case | 4020 |
| Maximum DC Current | 2.2A |
| Maximum DC Resistance | 105mΩ |
| Inductance Tolerance | ±20 % |
| Termination Style | Surface Mount |
| Maximum Self Resonant Frequency | 31MHz |
| Inductor Construction | Wirewound |
| Automotive Standard | AEC-Q200 |
Key Features
- The inductor features a composite iron powder core for optimal performance.
- Inductance tolerance is ±20%, supporting precise circuit requirements.
- Maximum DC current is rated at 2.2 A for high power applications.
- Package type is 4020 with surface mount termination style.
- The product meets automotive AEC-Q200 standard ensuring durability.
- Operating temperature ranges from -40°C to 125°C for harsh environments.
- Maximum DC resistance is 105 mΩ minimizing power loss.
- The component has a maximum self resonant frequency of 31 MHz.
Product Description
Wurth Elektronik 74437324047 WE-LHMI 4020 Shielded Multilayer Surface Mount Inductor features a composite iron powder core and wirewound construction delivering reliable inductance of 4.7 μH ±20%. This magnetically shielded SMD power inductor supports a maximum DC current of 2.2 A with minimal acoustic noise and leakage field, making it ideal for high current transient spike applications.
The inductor package size is 4020 with a compact length and depth of 4.06 mm and height of 1.8 mm, designed for surface mounting on PCB assemblies. It complies with automotive standard AEC-Q200, RoHS, REACH, JEDEC JS709B, and IEC 61249-2-21 standards ensuring environmental and regulatory conformity.
Its operating temperature range from -40°C to 125°C allows usage in harsh industrial, automotive, and electronic environments. The maximum DC resistance of 105 mΩ ensures efficiency by reducing power dissipation, while a maximum self resonant frequency of 31 MHz guarantees dependable performance across frequency ranges.
This inductor series is widely used in DC-DC converters for high current power supplies, field programmable gate arrays (FPGA), point-of-load (POL) converters, portable power devices such as PDAs and digital cameras, and mainboards or graphic cards. Its magnetic shielding effectively eliminates acoustic noise and electromagnetic interference.
The inductor features a composite iron powder core for improved magnetic properties. Designed for high current transient spike handling with low noise. Meets strict automotive and industry standards for reliability. Compact 4020 package size suitable for surface mount assembly.
Wide operating temperature range supports various industrial applications. Low DC resistance maximizes energy efficiency. High self resonant frequency suitable for advanced electronic designs. Ideal for DC-DC converters, POL converters, and battery-powered electronics.
Magnetically shielded to prevent leakage fields and acoustic noise. Complies with RoHS and environmental regulations.
Explore the Wurth Elektronik brand and similar Surface Mount Inductors in the Electronics Components category on EnvMart for reliable electronic design components optimized for performance and durability.
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Frequently Asked Questions
The inductance value of this model is 4.7 μH with a tolerance of ±20%.
It is rated for a maximum DC current of 2.2 A, suitable for high power applications.
This unit has a length and depth of 4.06 mm and a height of 1.8 mm, conforming to the 4020 package size.
The operating temperature range is from -40°C to 125°C, allowing use in harsh environments.
It features a composite iron powder core, which contributes to its performance characteristics.
The maximum DC resistance is 105 mΩ, which helps minimize power loss.
It complies with automotive standard AEC-Q200, as well as REACH, RoHS, JEDEC JS709B, and IEC 61249-2-21 standards.
The maximum self-resonant frequency is 31 MHz, ensuring reliable performance across frequency ranges.
The termination style is surface mount, designed for easy integration into PCB assemblies.
It is widely used in DC-DC converters, point-of-load converters, and portable power devices such as PDAs and digital cameras.
It is packaged in tape and reel format, facilitating automated assembly processes.
The inductor features a wirewound construction, which enhances its inductive performance.
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