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.

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      ■Unit Type
Single
Multi
Modular
Others
      ■PC Board Type
Single
Multi
      ■On-Board Type
DC-DC / Single
DC-DC / Multi
AC-DC / Single
AC-DC / Multi
      ■Power Module Type
Single
PFC Front End Module
      ■Noise Filters
Single Phase
Three Phase
DC
      ■AC-DC
      ■DC-DC
      ■RoHS Conformity
      ■Discontinued product
Product Selector
Technical Data
      ■Technical Data Down load
      ■Techical Information
Techinical Notes(PDF 245KB)
Caution For Safety And Products
Handling Of Rugged PCB Unit
Troubleshooting Tips
Repair And Service
Safety Agency Approvals Reference Table (PDF 41KB)
Company Profile
      ■Company Profile
      ■Sales Networks
Financial Report
      ■A monthly achievement trend
      ■Achievement from the Establishment
      ■DATA-FILE 2005
      ■Financial Highlights
Consolidated Financial Data
Non-Consolidated Financial Data
Environmental Activities
      ■Environmental Policies
      ■Highlight of Our Environmental Activities
Compliance with RoHS Directive
Development of Smaller Highly Efficient Power
Installation of Solar Power Generator
Increase in Recycling Items
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