EXHIBIT 23.1


                         CONSENT OF INDEPENDENT AUDITORS


      We consent to the incorporation by reference in the Registration Statement
(Form S-8) for the registration of 2,000,000 shares of Common Stock pertaining
to the Vicor Corporation Amended and Restated 2000 Stock Option and Incentive
Plan of our report dated January 25, 2002, except for the third paragraph of
Note 6, as to which the date is February 28, 2002, with respect to the
consolidated financial statements and schedule of Vicor Corporation included in
its Annual Report (Form 10-K) for the year ended December 31, 2001, filed with
the Securities and Exchange Commission.


                                                    /s/   Ernst & Young LLP


Boston, Massachusetts
September 6, 2002