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Wurth Elektronik WE-MAPI SMT 4020 Unshielded Wirewound Surface Mount Inductor 1.8 μH 4.6 A 20% Tolerance 74438356018HT
Specifications
| Country of Origin | Korea |
|---|---|
| Brand | Wurth Elektronik |
| Height | 2.1mm |
| Length | 4.1mm |
| Model | 74438356018HT |
| Depth | 4.1mm |
| Packaging | Tape & Reel |
| Series | WE-MAPI SMT |
| Maximum Operating Temperature | 150°C |
| Minimum Operating Temperature | -55°C |
| Core Material | Ferrite |
| Inductance | 1.8μH |
| Standards/Approvals | RoHS, REACH, JEDEC JS709B, IEC 61249-2-21 |
| Package/Case | 4020 |
| Maximum DC Current | 4.6A |
| Pin Count | 2 |
| Maximum DC Resistance | 29.9mΩ |
| Inductance Tolerance | 20 % |
| Termination Style | Surface Mount |
| Maximum Self Resonant Frequency | 37.5MHz |
| Inductor Construction | Wirewound |
Key Features
- This surface mount inductor features a 4020 package size for compact PCB layouts.
- Rated maximum DC current is 4.6 amperes ensuring high current handling.
- Inductance tolerance is 20 percent suitable for various electronic applications.
- Offers a maximum operating temperature of 150 degrees Celsius for durability.
- Constructed with a ferrite core and wirewound design for stable inductance.
- Surface mount termination style enables automated assembly and soldering.
- Compliance with RoHS, REACH, JEDEC JS709B, and IEC 61249-2-21 standards guarantees environmental and quality compliance.
- Maximum self resonant frequency stands at 37.5 MHz for high frequency circuits.
Product Description
Wurth Elektronik 74438356018HT is an unshielded wirewound surface mount inductor designed for high current applications requiring a robust 1.8 μH inductance and a 20% tolerance. It uses a ferrite core and comes in a 4020 package size measuring 4.1 mm length, 2.1 mm height, and 4.1 mm depth, optimized for space-constrained PCB mounting.
This inductor supports a maximum DC current of 4.6 A and can operate reliably up to 150°C, making it suitable for demanding environments such as power supplies, DC/DC converters, and industrial electronics.
The wirewound construction provides stable inductance performance with low DC resistance of 29.9 mΩ, and the maximum self resonant frequency of 37.5 MHz allows use in medium frequency circuits.
Surface mount termination style enables efficient automated assembly processes, and packaging is delivered in tape and reel format for manufacturing convenience. This inductor meets critical industry standards including RoHS, REACH, JEDEC JS709B, and IEC 61249-2-21 to assure environmental and regulatory compliance.
Its unshielded design suits applications where low magnetic interference shielding is acceptable. Operating temperature range from -55°C to 150°C covers a broad spectrum of industrial and commercial conditions. Originating from Korea Republic Of, ensuring manufacturing quality and traceability.
Ideal for industrial, electronic components manufacturing, DC/DC converter modules, and high current power supply applications, this component ensures reliability and performance. Explore our full range of Surface Mount Inductors and other passive electronic components at EnvMart for your design and production needs.
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Frequently Asked Questions
The inductance value of this model is 1.8 μH.
It has a maximum DC current rating of 4.6 A.
This inductor has dimensions of 4.1 mm in length, 2.1 mm in height, and 4.1 mm in depth.
The maximum operating temperature is 150°C.
The inductance tolerance is 20%.
It is constructed with a ferrite core.
The termination style is surface mount, allowing for automated assembly and soldering.
The maximum self-resonant frequency is 37.5 MHz.
It complies with RoHS, REACH, JEDEC JS709B, and IEC 61249-2-21 standards.
The maximum DC resistance is 29.9 mΩ.
It is supplied in a tape and reel packaging format.
This inductor is suitable for applications such as power supplies, DC/DC converters, and industrial electronics.
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