Exhibit 23.1
INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM’S CONSENT
We consent to the incorporation by reference in this Registration Statement of Transphorm, Inc. on Post-Effective Amendment No. 1 to Form S-1 on Form S-3 of our report dated March 11, 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 and for the years ended December 31, 2020 and 2019 included in the Annual Report on Form 10-K filed with the U.S. Securities and Exchange Commission on March 12, 2021. We also consent to the reference to our firm under the heading “Experts” in the Prospectus, which is part of this Registration Statement.
/s/ Marcum LLP
Marcum LLP
Chicago, IL
March 16, 2021