August 9, 2019 Brett Whitmire Chief Financial Officer DIODES INC /DEL/ 4949 Hedgcoxe Road Plano, Texas 75024 Re: DIODES INC /DEL/ Form 10-K for the Fiscal Year Ended December 31, 2018 Filed February 21, 2019 File No. 002-25577 Dear Mr. Whitmire: We have completed our review of your filings. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Electronics and Machinery