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.
Modified Power Supply
Technical Information
Technical Data Download
Applications Manual
Technical Question
RoHS
Catalog Updates
Power Module Type
(PDF 3,512KB)
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01-DBS series
(PDF 574KB)
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02-CBS series
(PDF 607KB)
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03-CDS series
(PDF 576KB)
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04-Application Circuits
(PDF 196KB)
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05-Input Rectifier Circuits
(PDF 166KB)
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06-DPF&DPA series
(PDF 375KB)
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07-STA series
(PDF 317KB)
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08-CES&CQS series
(PDF 240KB)
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09-Thermal Considerations
(PDF 905KB)
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10-Agency Approvals
(PDF 16KB)
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11-Glossary of Technical Terms
(PDF 19KB)
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