Wurth Elektronik WE-PD2 Series Unshielded Surface Mount Inductor, Ferrite Core, 3521 Package, 3.3 μH ±20%, 1.39 A 7447732033

The Wurth Elektronik WE-PD2 Series 7447732033 is a high-performance surface mount inductor, engineered for demanding electronic applications where compact size, reliability, and stable inductive values are critical. Designed with an unshielded ferrite core, this inductor delivers an inductance of 3.3 microhenries with ±20% tolerance, ensuring precision in power delivery and frequency smoothing tasks.

With a maximum DC current rating of 1.39 amps and a low DC resistance of just 120 milliohms, the device minimizes energy losses and supports efficient switching regulators, DC/DC converters, and voltage stabilization in advanced graphics cards, embedded PC-Cards, and mainboards. Its compact 3521 package measures 3.5 mm in length, 3 mm in depth, and 2.1 mm in height, accommodating high-density PCB designs and embedded systems.

Operating reliably across a wide temperature range from -40°C to +125°C, this inductor excels in environments with thermal stress, maintaining consistent performance over its service life. The ferrite core offers optimal attenuation in the MHz frequency range, making it ideal for EMI suppression and signal filtering in high-speed circuits. The component is moulded, supports surface-mount termination style, and features two pins for straightforward integration.

Conforming to international REACH, RoHS, and JEDEC JS709B environmental and quality standards, the Wurth Elektronik 7447732033 surface mount inductor is suitable for industrial, commercial, and automotive electronics, although not classified as an automotive standard part. Tape & Reel packaging further facilitates automated SMD production lines, enabling efficient sourcing and assembly for volume manufacturing.

High-reliability unshielded surface mount inductor designed for modern electronic circuits. Inductance rated at 3.3 μH with ±20% tolerance for precision applications. Capable of handling maximum DC current up to 1.39 A, supporting demanding power regulation needs.

Ferrite core material ensures optimal frequency attenuation and stable inductive characteristics. Compact 3521 package (3.5 mm x 3 mm x 2.1 mm) suitable for dense PCBs and embedded systems. Supports operating temperature range from -40°C to +125°C for robust performance under varied conditions.

Manufactured to REACH, RoHS, and JEDEC JS709B standards, suitable for regulated industries. Tape & Reel packaging enables automated assembly and efficient production workflows.

This inductor is recommended for use in switching voltage regulators, integrated DC/DC converters, power supply networks, and embedded electronics where reliable signal filtering and power management are essential. Explore more components in the Surface Mount Inductors category from Wurth Elektronik and similar brands on EnvMart.