Demke Electronic DC-Transformer DC/DC Converter

Demke DC-Transformer = DC/DC Spannungswandler = Hardcore DC-Power Supplies

Demke DC/DC voltage converters - Demke DC Transformers - are lightweight, extremely robust and reliable DC/DC DC/DC voltage converters in uncompromising Swiss quality.
Our powerful devices inspired customers to give our DC transformers the nickname "Hardcore DC-Power Supplies". The technological lead of our products offers with reliable technology and highest quality, even under extreme climatic conditions comprehensive operational safety.


DC/DC converters «designed in Switzerland, made in Germany, proven in the world» means: research and development at the highest technological level in Switzerland. Production in compliance with our high Demke quality standards in Europe by our ISO-certified production partner in Germany.

Our DC/DC converters with high power density, highest efficiency, integrated EMI filters, most compact designs in aluminum housings are used successfully in various applications worldwide, partly under extreme climatic conditions.

Reliable and universally applicable


Whether standardized or individual requirements – we work out the solution. Our creative development team and our flexible product designs allow us quick modifications and new product developments. This is why we are such a valuable development partner for our clients. We bring in our expertise in an early project phase. Whether small or large series, short-term or long-term projects - we deliver quality and trust in sustainable partnerships.


We're just doing one thing, but we do it right. We are the specialists for DC/DC converters. Our products offer:

  • High power density and efficiency
  • Ultra wide input range 10:1
  • Excellent EMC characteristics
  • Characteristics for specific certifications
  • Durability under extreme conditions
  • Developed in Switzerland, manufactured in Germany

Some of our application areas