DuPont Pyralux® AP to Aid Reliable Performance of Semikron-Danfoss eMPack® Modules Powering Next-Gen Electric Vehicles

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“We look forward to working with DuPont and its Pyralux® technology to help eMPack® become a global leader in EV power modules,” said Karl-Heinz Gaubatz, CTO of Semikron

DuPont (NYSE:DD) Interconnect Solutions, part of its Electronics & Industrial business, today announced a multi-year agreement with European power module manufacturer Semikron-Danfoss that will incorporate DuPont™ Pyralux® AP full-polyimide double-sided copper clad laminate into its eMPack® Power modules to further enhance the capabilities of next-generation electric vehicles.

The integration of copper-clad Pyralux® AP-laminate in eMPack® traction inverter designs will help EV automotive engineers to meet important requirements related to signal integrity and power transfer. The properties of Pyralux® AP that benefit this Semikron-Danfoss application include:

  • Robust thermal resistance for temperature stability
  • All-polyimide dielectric layer
  • Extreme durability
  • Superior bond strength for automotive-grade reliability
  • Excellent low power dissipation characteristics
  • Superior electrical performance
  • Consistent signal integrity

In addition, Pyralux® AP’s dielectric thickness tolerance and low coefficient of thermal expansion make it ideal for rigid flexible or multilayer flexible applications. The adhesive-free flexible circuit material has a UL 94-V0 flammability rating, a maximum operating temperature of 200°C and is IPC 4204A/11 certified.

“Pyralux® AP has emerged as our most suitable solution after extensive testing and because the product has demonstrated stable, reliable performance in a variety of industries under severe operating conditions like ours for three decades,” said Karl-Heinz Gaubatz, CTO of Semicron. “eMPack® is a perfect match for SiC MOSFET power modules. We look forward to working with DuPont and their Pyralux® technology to help eMPack® become a global leader in EV power modules.”

Earlier this year, Semikron-Danfoss, headquartered in Nuremberg, Germany, was awarded a billion-euro contract from 2025 to supply patented eMPack® power modules to a major German automaker. Within silicon carbide MOSFET or all silicon carbide technology based modules, traction converters can be created that are extremely compact, scalable and reliable due to Semikron’s double-sided sintered assembly and connection technology called Direct Pressed Die (DPD).

“We are excited how this Pyralux® AP copper-clad EV power module application supports a sustainable and electrified future to help preserve our planet for generations to come,” said Andy Kannurpatti, Global Business Director, Films & Laminates, DuPont InterconnectSolutions. “The eMPack® power module is expected to enable millions of next-generation electric vehicles by 2032. We look forward to being a key contributor to the long-awaited success of eMPack® and appreciate working with Semikron-Danfoss.”

About DuPont Electronics & Industry

DuPont Electronics & Industrial is a global provider of new technologies and high-performance materials for the semiconductor, printed circuit board, display, digital and flexographic printing, healthcare, aerospace, industrial and transportation industries. From advanced technology centers around the world, teams of talented researchers and application experts work closely with customers to provide solutions, products and technical services to enable next-generation technologies.

About DuPont

DuPont (NYSE: DD) is a global leader in innovation with technology-enabled materials and solutions that help transform industries and everyday life. Our people apply diverse science and expertise to help customers advance their best ideas and deliver essential innovations in key markets such as electronics, transportation, construction, water, healthcare and worker safety. For more information about the company, its businesses and solutions, visit Investors can access information contained in the Investor Relations section of the website at

About Semikron-Danfoss

Semikron Danfoss is a global technology leader in power electronics. Our product offering includes semiconductor devices, power modules, stacks and systems.

In a world going electric, Semikron Danfoss technologies are more relevant than ever. With our innovative solutions for automotive, industrial and renewable applications, we help the world to use energy more efficiently and sustainably, thereby significantly reducing total CO2 emissions – facing one of the greatest challenges of our time.

We care about our people and create value for our customers by investing significantly in innovation, technology, capacity and service to deliver industry-best performance and a sustainable future.

Semikron Danfoss is a family company that was merged in 2022 by SEMIKRON and Danfoss Silicon Power. We employ more than 3,500 people at 28 locations around the world. Our global presence with manufacturing facilities in Germany, Brazil, China, France, India, Italy, Slovakia and the United States ensures unmatched service to our customers and partners. We offer more than 90 years of combined expertise in power module packaging, innovation and customer applications – making us the ultimate partner in power electronics.

DuPont™, the DuPont oval logo, and all trademarks and service marks denoted by ™, SM, or ® are owned by affiliates of DuPont de Nemours, Inc., unless otherwise noted.

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