For technical data such as CAD and reliability data, please visit the product page by using the product search feature below.

Product Selector

Incl. discontinued products

Power Supplies

• 1.Outline of Power Supplies
• 2.Circuit Method of Switch mode Power Supplies
• 3.Glossary of term

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Design Tools

• External Trim Resistor
• Hold-Up Time
• Internal Power Loss
• Inrush Current
• Life Expectancy

Application Guide

• Power Module Type
• Enclosed Type
• Handling of Open Frame Type power supplies
• Application Software
• Caution for Safety and Products

Troubleshooting

• In case of No Output - what to check
• In case of Abnormal Output Voltage(Too High, Too Low, Unstable) - what to check

Notice

• Before using our product
• Precautions against counterfeit COSEL products