Item 5.02. Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers

On September 11, 2009, the Board of Directors (the "Board") of Vicor Corporation (the "Company") elected Liam K. Griffin to the Board, effective October 1, 2009. Consistent with the Company's policy, he will serve (a) until the 2010 annual meeting of stockholders, at which time he is reelected to the Board or his successor is elected, or (b) until his earlier death, resignation or removal. The Board has determined Mr. Griffin satisfies the independence requirements set forth in Marketplace Rule 4200(a)(15) of NASDAQ listing standards. The Company is not aware of any transaction requiring disclosure under Item 404(a) of Regulation S-K.

A copy of the press release announcing Mr. Griffin's election to the Board is filed as Exhibit 99.1 to this Current Report. Item 9.01. Financial Statements and Exhibits

(a) Financial statements:
None
(b) Pro forma financial information:
None
(c) Shell company transactions:
None
(d) Exhibits
99.1 Press Release of Vicor Corporation dated September 30, 2009

---