Exhibit 23.1

                         CONSENT OF INDEPENDENT AUDITORS

         We consent to the incorporation by reference in the Registration
         Statement (Form S-8, No. 33-37491) pertaining to the Vicor Corporation
         1984 Stock Option Plan, the Registration Statement (Form S-8, No.
         33-65154) pertaining to the Vicor Corporation 1993 Stock Option Plan,
         the Registration Statement (Form S-8, No. 333-61177) pertaining to the
         1998 Stock Option and Incentive Plan and in the Registration Statement
         (Form S-8, No. 333-99423) pertaining to the Amended and Restated 2000
         Stock Option and Incentive Plan of our report dated January 27, 2003,
         except for the second paragraph of Note 8, as to which the date is
         March 5, 2003, with respect to the consolidated financial statements
         and schedule of Vicor Corporation included in the Annual Report (Form
         10-K) for the year ended December 31, 2002.

                                                /s/ Ernst & Young LLP

         Boston, Massachusetts
         March 18, 2003