Need Support?

onsemi is committed to providing excellent customer support and up-to-date information and services to meet your needs. Our online product information is updated every 24 hours.

Give Us a Call

United States & the Americas
Hours: M-F, 9:00AM - 5:00PM MST (GMT -07:00)
Voicemail: 1 800 282 9855
Asia Pacific, Europe, Middle East & Africa
Hours: M-F, 9:00AM - 5:30PM CET (GMT +01:00)

Send an Email

Email Technical Support
Send an email to technical support engineers about products, support or application issues. Most responses provided within 48 hours.
Email Sales Support
Have questions for our sales team? Let us know how we can help with your design.

Find a Support Contact

Sales & Distribution Contacts
Interested in learning more about products and solutions from onsemi? We have locations and channel partners around the world!
Quality Contacts
Find global and regional contacts for quality support.

Additional Resources

WebDesigner+™ Power Supply
Design your power supply with the online WebDesigner+ Power Supply design tool.
Technical Documents
Search Design Documents
Evaluation/ Dev Tools
Search Eval/Dev Tools
Product Services
onsemi is committed to providing you with the most up-to-date information and services to meet your needs.

Community & Design Support

Community Forums
Visit the onsemi Community Forums. The community forums are for you, our valued customers and partners, to discuss our products, technologies and solutions. We look forward to hearing from you!
Frequently Asked Questions
Find Answers to Frequently Asked Questions.