UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             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): July 18, 2005
                                  -------------


                                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)

                                       N/A
                                       ----
              (Former name, former address and former fiscal year,
                          if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

|_|  Written  communications  pursuant to Rule 425 under the  Securities Act (17
     CFR 230.425)

|_|  Soliciting  material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
     240.14a-12)

|_|  Pre-commencement   communications  pursuant  to  Rule  14d-2(b)  under  the
     Exchange Act (17 CFR 240.14d-2(b))

|_|  Pre-commencement   communications  pursuant  to  Rule  13e-4(c)  under  the
     Exchange Act (17 CFR 240.13e-4(c))




Item 2.02  Results of Operations and Financial Condition.

On July 18, 2005, Vicor Corporation issued a press release announcing its
financial results for the second quarter of 2005. 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 2.02, 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.


Item 9.01  Financial Statements and Exhibits.

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

Exhibit
Number   Title

99.1              Vicor Corporation's press release dated July 18, 2005.




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                                   SIGNATURES

         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: July 18, 2005                 By:  /s/ Mark A. Glazer
                                     --------------------------------
                                     Name:  Mark A. Glazer
                                     Title:   Chief Financial Officer






                                  EXHIBIT INDEX



Exhibit
Number   Title
-------  -----
99.1     Vicor Corporation's press release dated July 18, 2005.