    <SEC-DOCUMENT>0001193125-20-126271-index.html : 20200429
    <SEC-HEADER>0001193125-20-126271.hdr.sgml : 20200429
    <ACCEPTANCE-DATETIME>20200429162635
    ACCESSION NUMBER:		0001193125-20-126271
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		8
    CONFORMED PERIOD OF REPORT:	20200626
    FILED AS OF DATE:		20200429
    DATE AS OF CHANGE:		20200429
    EFFECTIVENESS DATE:		20200429

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			VICOR CORP
    		CENTRAL INDEX KEY:			0000751978
    		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPONENTS, NEC [3679]
    		IRS NUMBER:				042742817
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-18277
    		FILM NUMBER:		20830720

    	BUSINESS ADDRESS:
    		STREET 1:		25 FRONTAGE ROAD
    		CITY:			ANDOVER
    		STATE:			MA
    		ZIP:			01810
    		BUSINESS PHONE:		(978) 470-2900

    	MAIL ADDRESS:
    		STREET 1:		25 FRONTAGE RD
    		CITY:			ANDOVER
    		STATE:			MA
    		ZIP:			01810
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>d840573ddef14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: d840573ddef14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g840573g01x21.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g840573g01x21.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g840573g02q31.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g840573g02q31.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g840573g24v67.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g840573g24v67.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g840573g45q30.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g840573g45q30.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g840573g84d22.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g840573g84d22.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g840573g90b31.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g840573g90b31.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g840573g91q92.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g840573g91q92.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>