Cosel is one of world's leading manufacturers of switch mode AC-DC power supplies, DC-DC converters and EMI filters. Cosel ha ... s been manufacturing highly reliable products since 1969. With Cosel’s commitment to quality, reliability, and customer service, and a very low field failure rate, Cosel has been the dependable choice for over 40 years. When quality is a must, reliability is critical, and technical service is crucial, Cosel stands alone. Our state-of-the-art manufacturing facilities in Japan are ISO9001 and ISO14001 qualified utilizing TQM (Total Quality Management) systems. Cosel recently opened a new facility in Wuxi in China in 2010 to expand production capability. Our continued focus on quality has helped Cosel to achieve a field failure rate less than 40ppm, which is much lower than industry average. All Cosel Products are safety qualified to meet international safety standards and compliance with the RoHS Directive. We strive to provide the highest level of service through our regional sales office, staffed with application engineers and power supply professionals, supported by our franchised distributors and manufacture sales reps. Cosel offers industry-leading service, and by utilizing cellular manufacturing, our standard lead times of 4-6 weeks are the shortest in the industry. Cosel manufactures over 10,000 standards models of power products and EMI filters. With AC/DC product ranging from 3-10,000 watts, and DC/DC parts from 1.5 to 700W, Cosel will have a solution for your needs. We offer a wide range of options and accessories for our products including conformal coating, low leakage current, low speed fans and much more. read more