Cosel is one of the world's leading power supply manufacturers offering high-quality, ultra small size AC-DC power supplies, DC-DC converters of the state-of-the-art technologies, and effective and
easy-to-use noise filters.

in 1993, Sunpower began well engaged in the development of hot-swappable redundant power supplies and the industrial application’s power supplies, for instance, AC-DC SPS / SPP series and DC-DC SDS series. The high output wattage power supplies (over 1000watts) and DIN Rail power supplies were developed successfully in 2008 and the ATX power supplies for 80PLUS certified was planned as well. Furthermore, for the most parts of our products have acquired the recognition of the world’s safety agencies including but not limited to UL, cUL, TUV and CB.

MINMAX TECHNOLOGY, found in 1990, has provided leadership for power conversion products in Taiwan for over 21 years as a specialist in the design and manufacturing of low-middle power DC/DC converter & AC/DC power module. The standard range of converters covers power outputs from 1 to 60Watt with the most comprehensive product ranges. Our mission is to provide the fast turnaround, superior quality, efficient service and competitive pricing to satisfy customer requirements.

Vicor Corporation designs, manufactures and markets modular power components and complete power systems used in the communications, data processing, industrial controls, test equipment, medical and defense electronic markets.

TDK-Lambda has products for every possible application and customer demand. Throughout our history, we have continually redefined the limits of the possible, striving to discover each new breakthrough in technology.