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Wurth Electronics eiSos GmbH & Co. KG is a manufacturer of electronic and electromechanical components for the electronics industry. Production sites in Europe, Asia and North America supply a growing number of customers worldwide. The product program encompasses EMC components, inductors, transformers, HF components, varistors, capacitors, power modules, LEDs, plug connectors, power supply elements, wireless power coils, switches, connection technology and fuse holders. Wurth Electronic eiSos GmbH & Co. KG, together with its specialized affiliated companies, form the Wurth Electronic eiSos Group.
Wurth Electronics eiSos GmbH & Co. KG (Focus: standard components), Wurth Electronics iBE GmbH (Focus: customized passive components for the automotive industry), Wurth Electronics Midcom Inc. (Focus: transformers and custom magnetics), Wurth Electronics Stelvio Kontek S.p.A. (Focus: customized plug connectors), AMBER wireless GmbH (Focus: wireless data transmission solutions) and IQD Frequency Products Ltd (Focus: frequency-control components) form the Wurth Electronics eiSos Group. The group of companies with 6,700 employees generated sales of approx. € 653 million in 2017. The Wurth Electronics eiSos Group is one of the biggest European manufacturers of passive components and operates in 50 countries.
Through its technology partnership with the Audi Sport ABT Schaeffler Formula E Team and its support for the Formula E racing series, the Group demonstrates its innovative strength in eMobility. Other global growth markets, such as Energy Harvesting, Internet of Things and Wireless Communication, are addressed with innovative products.
The Wurth Electronics eiSos Group is part of the Wurth Group, the world market leader for assembly and fastening technology.

Product Lineup

Tools & Support


Würth Elektronik's online platform for simple component selection and performance simulation.
Try REDEXPERT and calculate your losses in real-time.

Component Libraries

Würth Elektronik eiSos offers various component libraries.
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IC Reference Design Library

Search thousands of reference designs of leading IC manufactures to ease your design process.
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Download Center

Download Environmental & Quality Certificates.
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