Wurth Elektronik WE-PD 7345 Shielded Wirewound Surface Mount Inductor 33 μH ±20% 1.13 A IDC 7447779133

Wurth Elektronik model 7447779133 is a WE-PD series shielded wirewound surface mount inductor featuring 33 μH inductance with ±20% tolerance and a maximum DC current of 1.13 A. This inductor is engineered with a magnetically shielded design to minimize leakage fields, making it ideal for efficient power regulation in electronic circuits.

Its compact 7345 epoxy moulded package with dimensions 7.3 mm length, 4.5 mm height, and 7.3 mm depth allows seamless integration into high-density PCB layouts. The wirewound construction ensures excellent current handling capability and durability under thermal stress.

Operating reliably between -40°C and 125°C, this component meets the AEC-Q200 automotive standard, highlighting its suitability for automotive and industrial applications requiring robust components. It is particularly recommended for use in switching regulators, integrated DC/DC converters, and graphics card power stages, offering low self-losses and high current load capacity for highly efficient power conversion (efficiency above 86%).

The inductor comes with a tape and reel packaging format optimized for automated assembly processes, supporting high-volume manufacturing. Its low DC resistance of 170 mΩ reduces power dissipation, enhancing energy efficiency and thermal performance. Additionally, the 12 MHz self-resonant frequency supports high-frequency operations, ensuring stable inductance behavior in demanding switching environments.

Magnetically shielded design reduces electromagnetic interference and leakage fields. Compact 7345 plastic base package fits high-density PCB applications. High current capacity up to 1.13 A suitable for power electronics.

Wide operating temperature range from -40 to 125°C ensures reliability. Complies with automotive grade AEC-Q200 standard for quality assurance. Moulded wirewound construction for mechanical stability and low losses. Tape and reel packaging supports efficient automated PCB assembly.

Low DC resistance minimizes energy losses and heat generation. High self-resonant frequency (12 MHz) for stable high-frequency performance. This Surface Mount Inductor is manufactured in China and is RoHS compliant, making it an environmentally conscious choice for advanced electronics applications.

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