Wurth Elektronik Shielded Wirewound Surface Mount Inductor with Ferrite Core 4.7 μH ±20% 4 A 7345 WE-PD 744777004

Wurth Elektronik 744777004 is a magnetically shielded wirewound surface mount inductor designed with a ferrite core and housed in a compact 7345 package. It delivers an inductance value of 4.7 μH with a tolerance of ±20% and can handle a maximum DC current of 4 A. This inductor features a low leakage magnetic field due to its shielded construction, making it ideal for applications demanding electromagnetic compatibility.

The component measures 7.3 mm in length and depth and 4.5 mm in height, enabling space-efficient PCB layouts. It operates reliably over a wide temperature range from -40°C up to 125°C, complying with automotive standard AEC-Q200. Environmental and safety standards including RoHS, REACH, JEDEC JS709B, and IEC 62024-2-2020 are met, ensuring regulatory compliance.

With a maximum DC resistance of 40 mΩ and a self-resonant frequency up to 40 MHz, this inductor suits power electronics like switching regulators with low operating voltages and integrated DC-DC converters that require high efficiency above 86%. It is especially useful in graphic card designs and other high-performance embedded systems. The termination style is surface mount for seamless integration in automated PCB assembly lines.

The device is molded and packaged in tape and reel, supporting automated placement and high volume manufacturing. Its ferrite core construction ensures stable magnetic characteristics and durability under oscillating currents. The plastic-based variant of this series is particularly resistant to vibration and shock, making it suitable for demanding industrial and automotive environments.

Applications include power regulation, switching circuits, and other electronic designs requiring high current rating and low electromagnetic interference. This product is made in China with stringent quality controls ensuring new condition and reliable operation.

Compact footprint with 7345 package for efficient space utilization. High current handling capacity at 4 A DC for demanding power circuits. Magnetically shielded wirewound design minimizes interference. Wide operating temperature range suitable for automotive and industrial use.

RoHS, REACH, and automotive AEC-Q200 compliant ensuring environmental and quality standards. Surface mount termination facilitates modern PCB manufacturing processes. Molded construction enhances mechanical robustness. High self-resonant frequency accommodates high-frequency switching applications.

Low DC resistance limits power losses and heat generation. Explore more Wurth Elektronik components in the Surface Mount Inductors category at EnvMart for advanced power and passive component solutions.