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We consent to the incorporation by reference in the Registration Statements of Transphorm, Inc. on Form S-3 (333-255441) and Form S-8 (333-238866) of our report dated June 23, 2021, which includes an explanatory paragraph as to the Company’s ability to continue as a going concern, with respect to our audits of the consolidated financial statements of Transphorm, Inc. as of March 31, 2021, December 31, 2020 and 2019 and for the three months ended March 31, 2021 and for each of the years in the two year period ended December 31, 2020 included in this Transition Annual Report on Form 10-KT to be filed with the U.S. Securities and Exchange Commission on June 23, 2021.