Powerbox Supports Research in High-Power-Density Power Electronics and DC-DC Converters
Powerbox supports research into high-power-density power electronics and DC-DC converters through collaboration with STC Research Centre, Mid Sweden University and ENIT.
Powerbox to Showcase Engineering Reliable Power at electronica 2026
Powerbox is heading to electronica 2026.
Explore Powerbox’s custom engineering capabilities, standard and adapted power solutions, and developments in connected power management. Meet our team in Hall A5, Stand 312, November 10–13.
Powerbox Joins HYPAX Following Completion of Transaction with COSEL
Powerbox announces the successful completion of its transfer from COSEL to the HYPAX group, marking the beginning of an exciting new chapter for growth and innovation.
Laboratory Testing Regimens for Advanced Power Design
Displacing reliable silicon technology requires more than smart schematics; it demands rigorous, transparent laboratory testing. Learn how Powerbox utilizes multi-layered testing pipelines, 1,000-hour HTRB stress testing, and system-level aging to minimize the risks of early technology adoption in medical and industrial environments.
Verifying Wide Bandgap Semiconductor Reliability for Critical Applications
In the power electronics sector, efficiency upgrades are only valuable if they come with long-term reliability. For engineering teams deploying hardware in rugged industrial, defense, and mission-critical medical settings, understanding component-level validation data through JEDEC, EPSMA, and PSMA frameworks is the ultimate way to de-risk a project.
Powerbox Announces Ownership Transition to Hypax
Powerbox announces an agreement to transfer ownership to Hypax, marking the next step in the company’s long-term growth while ensuring full continuity for customers and partners.
Reliable Power Under Unstable Conditions
Reliable power systems for harsh environments require more than standard power conversion. Discover how PRBX ruggedized AC/DC and DC/DC power platforms support stable operation in defense, transportation and industrial applications exposed to vibration, thermal stress, unstable voltage and demanding operating conditions.
Powerbox launches ECDD DC/DC series for defense and harsh environments
Powerbox introduces the ECDD DC/DC series for defense and harsh environments, delivering stable performance even under unstable power conditions.
Inside MIL-STD-1275: What Your Power System Must Survive
COSEL Expands HFA3500TF Power Supply Series
New higher‑voltage variants of COSEL’s HFA3500TF series extend output up to 300 VDC, giving designers greater flexibility to build compact, scalable high‑voltage systems with up to 1000 VDC using series configurations.
Unmanned Systems: Power as the Pillar of Operational Reliability
Operational success in unmanned systems is decided long before takeoff. While intelligence and processing get the headlines, reliability in the field is a function of power infrastructure. We explore why the ‘supporting layer’—from charging stations to control nodes—is the true pillar of mission success at the tactical edge.
Powering a More Sustainable Future
Powerbox is committed to powering a more sustainable future by reducing environmental impact across our entire value chain. Grounded in a five-pillar framework, we are engineering smarter, more compact power solutions to achieve a 20% reduction in emissions by 2030.
Power Decisions That Shape System Success
Discover how power decisions shape system success. Learn why a system-level approach to power architecture reduces risk and strengthens long-term performance.
Rugged Conduction-Cooled AC/DC Power Supplies for Harsh Environments
Modern defense, industrial automation and transportation systems often operate where traditional power supplies fall short, requiring silent, reliable, fan-free solutions that withstand dust, shock, vibration, temperature swings and 24/7 operation.
Will diamond be the ultimate semiconductor?
Diamond is showing potential to outperform both silicon and wide band gap semiconductors in power electronics.
Challenges and Opportunities in Adopting Wide Band Gap Technologies like Gallium Nitride
Wide band gap (WBG) semiconductors like gallium nitride (GaN) advance power electronics with higher efficiency, faster switching, and greater power density, though adoption faces challenges.
PRBX – Powering Progress with Purpose: A Commitment to Sustainability
In a world increasingly shaped by the urgent need for climate action and social responsibility, PRBX (Powerbox) is a shining example of how industrial technology companies can lead with purpose. From the very beginning, PRBX has embedded sustainability into its core mission—not just as a corporate responsibility, but as a foundational pillar of its innovation and long-term strategy.
COSEL Launches Rugged HVDC Converter for Harsh and Demanding Applications
COSEL has just unveiled the full-brick DCS1400B, an incredibly robust, high-efficiency, high-voltage DC/DC converter (HVDC converter) delivering up to 1400W, that is perfect for harsh environments and rugged applications.
50 years of expertise to power demanding applications
For over five decades, our company has specialized in designing power supplies for challenging applications, honing our expertise through this extensive experience.
COSEL is pleased to announce the launch of COSELSYNC
On April 30, 2024, COSEL Co. (COSEL), Ltd. entered into a capital and business alliance agreement with LITE-ON TECHNOLOGY CORPORATION (LITEON) and has been promoting business collaboration under the joint vision of COSEL and LITEON to “Become a Worldwide Leading Brand in Standard Power Solution.”
Crossing the chasm with success — WBG!
For the power designer, any new technology that improves performance while making products smaller and more energy efficient is a very exciting concept — we’re talking holy grail territory.
Ecodesign, Reuse, Repair, Prolonging Lifetime and New Technology – Is it the new paradox?
PRBX latest White Paper: “Ecodesign, Reuse, Repair, Prolonging Lifetime and New Technology – Is it the new paradox?”

























