Search our custom transformers and toroids, lighting catalog, DSL cross reference guide, Eagle Library and more in our custom magnetics toolbox.
Smart Transformer Selector
An online tool for discontinuous mode flyback SMPS designs. This tool does all of the menial verification calculations for your specific design. Enter as little information as you want, such as input voltage range, switching frequency, output voltages and current; and the Smart Transformer Selector will return a list of prequalified off the shelf transformers.
Select the Right Transformer Infographic
What is important to you when designing your transformer? Is it safety? Maybe it's performance, or cost. With this handy infographic, we can lead you in the right direction.
Custom Capabilities Catalog
A comprehensive catalog of all of our custom capabilities for transformers and toroids.
IC Reference Design Search
Search for reference designs with parts from Wurth Electronics.
Common Mode Choke Quick Guide
A list of our Common Mode Choke series and the advantages of each.
CadSoft EAGLE design software is an affordable, easy to use yet powerful tool for designing printed circuit boards. This award winning software offers user friendly powerful and affordable solutions for PCB design, including Schematic Capture, Board Layout and Autorouter
The library consists of three different LTspice models for over 450 of our power transformers
Free on-line switch mode power supply SMPS, circuit and transformer design, calculation, simulation software. More than 100 circuits and topologies are available with real constructed transformer
View the standard package and box quantities, as well as width and pitch, for all of our package numbers.