We’re here to help! onsemi offers a variety of ways to contact support for your convenience. Please reach out to us using any of the support options below.

onsemi Headquarters

5005 East McDowell Road
Phoenix, AZ 85008 USA

Telephone: (602)-244-6600

Product Inquiries: (888)-743-7826

Social Responsibility Contacts

Technical Support Centers

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.