Wurth Elektronik WE-PD 7345 Shielded Wirewound Surface Mount Inductor with Manganese Zinc Ferrite Core 33 μH ±20% 7447773330

Wurth Elektronik 7447773330 WE-PD series shielded wirewound surface mount inductor provides a reliable solution for high-efficiency power electronics applications. This 33 μH inductor with ±20% tolerance is constructed with a manganese zinc ferrite core, delivering excellent saturation and low losses.

The device is designed to handle a maximum DC current of 1.45A with a low DC resistance of 147mΩ, enabling efficient switching power supply performance. Packaged in a 7345 case (7.3mm length, 4.5mm height, 7.4mm depth), the inductor features a shielded construction that minimizes electromagnetic interference and supports stable operation at switching frequencies up to 10MHz. It is fully compliant with automotive standards including AEC-Q200 and industrial regulations such as RoHS, REACH, IEC 62024-2-2020, and JEDEC JS709B.

The operational temperature range from -40°C to 150°C suits demanding environments and ensures robustness. The inductor comes moulded with a plastic base enhancing mechanical stability and efficiency. Terminated for surface mount technology, it supports assembly automation and space-saving PCB layouts.

This product is ideal for designers and engineers working on switch mode power supplies ranging from 0.1W to 300W output, integrated DC-DC converters, and applications requiring very high efficiency exceeding 95%. The WE-PD series is known for low loss material and tight inductance tolerances, offering performance optimized against competing manufacturers.

Applications include automotive electronics, industrial power management, consumer electronics, and other fields demanding compact, efficient inductors with high current capacity and minimal EMI.

Features manganese zinc ferrite core material for enhanced magnetic properties. Compact 7345 package with dimensions 7.3mm length, 4.5mm height, and 7.4mm depth. Shielded construction ensures low electromagnetic interference and high efficiency.

Designed for operation from -40°C up to 150°C supporting automotive standard AEC-Q200. Maximum self-resonant frequency of 13.5MHz suitable for switching frequency applications up to 10MHz. Surface mount termination style facilitates automated PCB assembly.

RoHS, REACH, IEC 62024-2-2020, JEDEC JS709B compliant ensuring industry-standard certifications. Ideal for switch mode power supplies from 0.1W to 300W and integrated DC-DC converters needing high efficiency. Moulded with plastic base for improved mechanical stability and robustness in harsh environments.

Explore more products in the Surface Mount Inductors category and benefit from Wurth Elektronik’s engineering expertise and quality assurance at EnvMart.