Autumn Holiday Closing Notice

We will be closed from Sep19, 2026 to Sep23,2026 for the autumn holidays.
We will resume normal operations on Sep24.
Thank you for your understanding.

This form is for inquiries about our semiconductor products only.

• For our switching power supplies, please contact us using this form.
• For inquiries regarding IR information, please contact us via this page.
• For other inquiries regarding our company, please contact us via this page.
• We transferred our infrastructure business, such as UPS, DC power supplies, power conditioners, and so on.
  Please click here to find out more.

Before contacting us, please refer to our Frequently Asked Questions.

* indicates a required field.