Washington, D.C. 20549


                                    FORM 8-K

                                 CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934


       Date of Report (Date of earliest event reported): February 10, 2004

                                VICOR CORPORATION
               (Exact name of Registrant as specified in charter)

        Delaware                      0-18277                 04-2742817
 ___________________________    _____________________        ____________
(State or other jurisdiction   (Commission file number)      (IRS employer
     of incorporation)                                     identification no.)

                 25 Frontage Road, Andover, Massachusetts 01810
               (Address of principal executive offices) (Zip Code)

                                 (978) 470-2900
              (Registrant's telephone number, including area code)

              (Former name, former address and former fiscal year,
                         if changed since last report)

Item 7.  Exhibits.

(c)      Exhibits.  The following exhibit is being furnished herewith:

Number   Title

99.1              Vicor Corporation's press release dated February 10, 2004.

Item 12.  Results of Operations and Financial Condition.

On February 10, 2004, Vicor  Corporation  issued a press release  announcing its
financial  results for the fourth  quarter of 2003.  The full text of that press
release is attached as Exhibit 99.1 hereto and incorporated by reference herein.
The  information  furnished under this Item 12,  including the Exhibit  attached
hereto,  shall not be deemed "filed" for any purpose,  including for purposes of
Section 18 of the Securities  and Exchange Act of 1934 (the  "Exchange  Act") or
otherwise  subject to the  liabilities  of that section,  nor shall it be deemed
incorporated  by reference in any filing under the Securities Act of 1933 or the
Exchange Act, regardless of any general incorporation language in such filing.

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     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.

                                            VICOR CORPORATION

Dated: February 10, 2004                    By:     /s/ Mark A. Glazer
                                             Name:  Mark A. Glazer
                                            Title:  Chief Financial Officer

                                  EXHIBIT INDEX

Number    Title
_______   _____

99.1      Vicor Corporation's press release dated February 10, 2004.