In the quest to increase power utilization efficiency and to achieve the computation of more data in smaller spaces, the computing industry investigated alternative solutions to forced air-cooling. Cold wall and baseplate cooling methods, helped by liquid or gas exchangers have been used for decades and from a laptop, datacenters and on to radio base […]

From the very early days when power electronics equipment utilized vacuum tubes, power engineers have been concerned with energy efficiency, power optimization and how to make power supplies more reliable, smaller and smarter. Probably few of us remember the introduction of the Thyratron or the 1925 patent by Julius Edgar Lilienfeld for the Field Effect Transistor (picture 01 – picture 02), but the electronics industry is full of amazing inventions and innovations all contributing to achieving the mythical 99% efficiency level.

Powerbox, one of Europe’s largest power supply companies, and for more than four decades a leading force in optimizing power solutions for demanding applications, has announced the release of its new high efficiency 750VDC input DC/DC converter for light-rail and industrial applications. The switching stage of the new PRBX ENR500D is based on an enhanced […]

Powerbox, one of Europe’s largest power supply companies, and for more than four decades a leading force in optimizing power solutions for demanding applications, announces the launch of three new series of extra-wide input voltage range, 40W to 100W board-mounted DC/DC converters for the railway, transportation and defense industries. With an extra wide input voltage […]

Powerbox, one of Europe’s largest power supply companies, and for more than four decades a leading force in optimizing power solutions for demanding applications, announces the introduction of three new series of 15W, 20W and 30W board mount DC/DC converters for demanding medical applications, totaling 105 models. The PMM15, PMM20 and PMM30 are certified to […]

Cosel Co, Ltd (6905: Tokyo) today announced the release of a very high reliability 40W DC/DC converter, the MGF40. Packaged in an industry standard 1×1 inch, six sided, shielded metallic case, the MGF40 series has been designed to Cosel’s strict criteria for high performance and reliability, contributing to the company’s world class quality with a failure rate of below 30 parts-per-million (ppm). To guarantee lifetime quality, the MGF40 does not include aluminum or tantalum capacitors. All components are selected for a very long lifetime, making the MGF40 one of the most reliable DC/DC converters in its category. The MGF40 series offers a long, confidence inspiring warranty period of 10 years.

Cosel Co, Ltd announced today that it has acquired The Powerbox Group. The Powerbox Group and its subsidiaries employ 120 people, with a consolidated turnover of more than €40m throughout 15 countries. With design centers in Sweden (HQ), Germany & Netherlands as well as offices throughout Europe, USA, China and Australia, they specialize in the […]

Could lighting contribute to feed 10 billion people in 2050? With the vital need to save energy, the power industry has permanently innovated numerous ways to increase efficiency including by the way we convert electron to electron. Power conversion ratios are approaching physical limits, energizing researches and inventions and enabling applications that were heretofore impossible […]

Powerbox, one of Europe’s largest power supply companies and a leading force for 4 decades in optimizing power solutions for demanding applications, introduces four new power supplies designed to power Industry 4.0 applications. As part of Powerbox Industrial Line, the four series are based on the latest power switching technologies ; LLC, synchronous rectification, active […]

Powerbox, one of Europe’s largest power supply companies and a leading force in optimizing power solutions for demanding applications, announces the launch of a new series of power supplies for automotive applications and on-board Internet of Things (IoT). Based on a highly integrated components platform and low-profile planar magnetics the new series ENA100 (100W) and […]