Exhibit 23.1
Independent Registered Public Accounting Firm’s Consent
We consent to the inclusion in this Registration Statement of Transphorm, Inc. on Form S-1 of our report dated March 30, 2020, 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, 2019 and 2018, which report appears in the Prospectus, which is part of this Registration Statement. We also consent to the reference to our Firm under the heading “Experts” in such Prospectus.
/s/ Marcum LLP
Marcum LLP
Chicago, IL
January 20, 2021