Cosel Co Ltd is a major worldwide manufacturer of off the shelf switch mode power supplies and EMI Filters since 1969. Using state of the art designs and cutting edge technology Cosel offers smaller high efficiency products in AC/DC and DC/DC for Medical and ITE applications. AC/DC products range from 3W to 10KW in board level, open frame, DIN Rail, Modular and enclosed versions.

DC/DC products are offered from 1.5W to 700W in board level and DIN Rail mount configurations. Most DC/DC converter are in industry standard form factors. EMI Filters are offer from 3A to 600A including types specific for Photovoltaic applications. Many of the EMI Filters are offered with a DIN Rail mount as well. Cosel is committed to extreme high quality with the lowest field failure rate in the industry. Cosel provides direct field support and strong engineer support to customers.