Cosel opens power R&D centre in Japan

October 30, 2018 // By Nick Flaherty
Powerbox-owner Cosel has opened a €13m R&D centre in Toyama, Japan.

The ¥1.7bn custom building with a floor space of 8,200 square meters with 100 R&D engineers in the 250 staff.

The centre has five departments, covering on board power solutions, AC-DC standard units and configurations, Intelligent power supplies, customisation, and EMI filters. The departments will share the new facility, and with a number of projects aiming to increase power conversion efficiency such as Wide Bandgap (GaN, SiC) semiconductors, digital power control and energy management, the company says a close relationship within the five departments is key to success.

There are five EMC anechoic chambers in the building, including one complying with the stringent three meters requirement for radio emissions and susceptibility testing. Having the capability to test many products simultaneously within the R&D department significantly reduces the verification and qualification process times in a market where regulation and compliance is evolving rapidly. There are also climatic chambers able to reproduce conditions such as salt laden atmospheres and oil bath immersion.

“Combining the resources and technologies of the new COSEL R&D Innovation center in Japan with the recently acquired Powerbox, and having three R&D centers in Europe and a high level of expertise in custom power solutions for demanding applications positions COSEL as an undoubted market leader.” said Tatsuo Yamamoto, COSEL’s EU & USA Sales Director. “From board power to very specialized power solutions such as in high magnetic fields in MRI equipment, we have solutions to support our customers and we foresee a high potential from our latest research to reduce energy consumption, benefiting society as a whole.”

The new facility has been designed using the latest energy management and energy saving technologies such as air to air exchangers to regulate building and test room temperatures, with a central computer permanently controls the environment and energy distributed within the building for the ISO 9001-2015 and ISO 14001-2015 building management and enviornmental standards.

In June, Cosel bought Swedish power firm Powerbox which will also have access to


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