Purchase Products Contact Us

This website uses cookies to improve usability and analyze traffic. For more details, please refer to our Privacy Policy.
By clicking “Agree,” you consent to the use of cookies.

COSEL Co., Ltd.

JP

Products
Products Top
- - Products
  - Technical Support
  - Catalog Site
- Products
  
  Power Supply EMI Filters About Product Status Download Various Documents COSELSYNC. LITEON Products Handled by COSEL
- Technical Support
  
  Selection Support
  Modification Products EMI/EMC Filter Selection flow chart Safety Certifications
  
  Tools
  Design Tool Application Guide Sample programs download
  （For products with communication function）
  
  Repair・FAQ
  Troubleshooting Q&A（FAQ）
  
  Technical information site
  COSEL+
- Catalog Site
  
  Catalog Brochure
Corporate Information
Corporate Information Top
- - Top Message
  - Company Overview
  - Locations
  - Philosophy
- Top Message
  
  Message from the President
- Company overview
  
  Company overview Business Directors and Corporate Executive Officers Organization History
- Locations
  
  Japan Locations Group Companies
- Philosophy
  
  Corporate Philosophy Ethical Charter and Standards of Behavior
Investor Relations
Investor Relations Top
- - Message
  - Management Information
  - Financial Highlights
  - IR Library
  - IR Calendar
  - About Stocks
- Message
  
  President’s Message
- Management Information
  
  Corporate Policy
- Financial Highlights
  
  Consolidated Finance/Business Graphs Financial Statements
- IR Library
  
  Consolidated Financial Results Results Briefing Annual General Meeting of Shareholders
- IR Calendar
  
  IR Calendar IR Activities
- About Stocks
  
  Basic Stock Information Latest Stock Information Dividends
- Other
  
  Disclaimer Inquiries Regarding Shareholder and Investor Information
Sustainability
Sustainability Top
- - Message
  - Basic Policy on Sustainability and Key Issues
  - Stakeholder Engagement
  - 「E」Environment
  - 「S」Society
  - 「G」Governance
  - ESG Data
  - Social and Environmental Report/Corporate Social Responsibility Report
- Message
  
  President’s Message
- Basic Policy on Sustainability and Key Issues
  
  Basic Policy on Sustainability Sustainability Priorities Contributions to the SDGs
- Stakeholder Engagement
  
  Stakeholder Engagement
- 「E」Environment
  
  Environmental Policy Environmental Management System Addressing Climate Change (TCFD) Efforts for Decarbonization Chemical Substance Management
- 「S」Society
  
  Together With Our Customers
  Quality Management System Initiatives to Enhance Customer Satisfaction
  
  Together With Our Clients
  Supply Chain Management
  
  Together With Our Employees
  Respect for Human Rights Education of human resources Health and Productivity Management
  
  Together With the Local Community
  Social Contribution Activities
- 「G」Governance
  
  Corporate Governance Risk Management Compliance
- ESG Data
  
  ESG Data
- Social and Environmental Report/Corporate Social Responsibility Report
  
  Social and Environmental Report/Corporate Social Responsibility Report
Contact Us
Contact Us Top
- - Inquiries About Products
  - Inquiries About Company Information and Sustainability
  - Inquiries Regarding Shareholder and Investor Information
- Inquiries About Products
  
  Before Contacting Us
  Q&A(FAQ) Troubleshooting Notice Purchase of Products
  
  Product Information and Usage Help Desk
  
  Email(inquiry form) Production Date Search Discontinued Products
  
  Other Inquiries
  Environmental Chemicals Approach to the conflict minerals problem
- Inquiries About Company Information and Sustainability
  
  Inquiry Form for Company Information and Sustainability
- Inquiries Regarding Shareholder and Investor Information
  
  Inquiry Form for Shareholder and Investor Information

Products

Technical Support

Home
Products
Technical Support
Design Tools

Design Tools

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

Terms of Use
Privacy Policy
Sitemap

COPYRIGHT © COSEL CO., LTD. ALL RIGHTS RESERVED.