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Wurth Elektronik Wirewound Surface Mount Inductor 3.5 μH Shielded WE-HCI 1890 Series 7443556350
Specifications
| Country of Origin | India |
|---|---|
| Brand | Wurth Elektronik |
| Height | 8.9mm |
| Length | 18.3mm |
| Depth | 18.2mm |
| Packaging | Tape & Reel |
| Series | WE-HCI |
| Maximum Operating Temperature | 125°C |
| Minimum Operating Temperature | -40°C |
| Core Material | WE-Perm2 |
| Inductance | 3.5μH |
| Standards/Approvals | IEC 61249-2-21, REACH, JEDEC JS709B, RoHS |
| Package/Case | 1890 |
| Maximum DC Current | 22.5A |
| Pin Count | 2 |
| Maximum DC Resistance | 3.1mΩ |
| Inductance Tolerance | ±20 % |
| Termination Style | Surface Mount |
| Maximum Self Resonant Frequency | 38MHz |
| Inductor Construction | Flat Wire Winding |
| Automotive Standard | AEC-Q200 |
Key Features
- Flat wire winding design ensures high current handling capability.
- Maximum DC current rating of 22.5 A.
- Magnetically shielded to reduce stray fields and interference.
- Complies with automotive standard AEC-Q200 for reliable operation.
- Compact package size 1890 with dimensions 18.3 mm length, 8.9 mm height, and 18.2 mm depth.
- Maximum DC resistance of 3.1 milliohms and tolerance of ±20% inductance.
- Suitable for high-frequency applications with max self-resonant frequency of 38 MHz.
- Operating temperature range from -40°C up to 125°C.
Product Description
Wurth Elektronik 7443556350 is a high performance wirewound surface mount inductor from the WE-HCI 1890 series, featuring a magnetically shielded WE-Perm2 core and flat wire winding construction. This 3.5 μH inductor is designed to handle high currents up to 22.5 A with a very low DC resistance of 3.1 mΩ, ensuring high efficiency and minimal power loss in demanding industrial and automotive applications.
Its compact dimensions (18.3 mm length, 8.9 mm height, 18.2 mm depth) make it suitable for space-constrained PCB layouts. The inductor is rated for operation from -40°C to 125°C and meets the AEC-Q200 automotive qualification standard, providing confidence in reliability and robustness for automotive, industrial computers, laptops, graphics cards, motherboards, and other power supply circuits.
The shielded design minimizes electromagnetic interference and stray magnetic fields, beneficial for sensitive electronic environments. With a maximum self-resonant frequency of 38 MHz, it is well suited for switching regulators, DC-DC converters, polyphase-switching regulators, and power filtering circuits. The surface mount termination style enables easy automated PCB assembly using tape & reel packaging.
Flat wire coil construction for high current capacity. Magnetically shielded to reduce electromagnetic interference. High current rating and low DC resistance for efficient power handling. Meets automotive AEC-Q200 standards for reliability.
Compact 1890 package suitable for dense PCB designs. Wide operating temperature range from -40°C to 125°C. Surface mount termination for modern PCB production. Ideal for DC-DC converters, filters, and switching regulators.
Moulded construction ensures durability and consistent performance.
This Wurth Elektronik inductor is widely used in industrial, automotive, power electronics, and computing applications where efficient energy transfer, compact footprint, and electromagnetic compatibility are critical.
Explore our range of Surface Mount Inductors at EnvMart for reliable electronic component solutions.
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Frequently Asked Questions
The inductance value of this inductor is 3.5 μH.
It has a maximum DC current rating of 22.5 A.
The dimensions are 18.3 mm in length, 8.9 mm in height, and 18.2 mm in depth.
The maximum operating temperature is 125°C.
This inductor features a surface mount termination style.
The maximum self-resonant frequency is 38 MHz.
It has a maximum DC resistance of 3.1 milliohms.
It complies with the AEC-Q200 automotive standard.
It features a flat wire winding construction.
The inductance tolerance is ±20%.
The country of origin for this inductor is India.
It is suitable for applications such as DC-DC converters, filters, and switching regulators.
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