content: 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): October 13, 2003
  
                                  SUPERTEX, INC.
                  (Exact Name of Registrant as Specified in Charter)
  
                                   0-12718
                           (Commission File Number)
  
  California                                                  94-2328535
  (State or Other Jurisdiction of                          (I.R.S. Employer
  Incorporation or Organization)                           Identification No.)
  
  
  
                                 1235 Bordeaux Drive
                             Sunnyvale, California 94089
             (Address of principal executive offices including zip code)
  
                                    (408) 222-8888
                  (Registrant's telephone number, including area code)
  
  --------------------------------------------------------------------------
  
                                  TABLE OF CONTENTS
  
          Item 7.  Financial Statements and Exhibits
          Item 12. Disclosure of Results of Operations and Financial Condition
                  SIGNATURES
          Exhibit Index
                  EXHIBIT 99.1
  
  
  
  --------------------------------------------------------------------------
  Item 7.    Financial Statements and Exhibits.
  
  
  
  (c)    Exhibits
  
            Exhibit 99.1, Registrant's Press Release dated October 13, 2003, is
  furnished pursuant to Item 12 of Form 8-K.
  
  --------------------------------------------------------------------------
  
  
  Item 12.    Disclosure of Results of Operations and Financial Condition.
  
  On October 13, 2003, Registrant announced via press release its results for its
  2004 fiscal second quarter ended September 30, 2003. The full text of the press
  release issued in connection with that announcement is attached as Exhibit 99.1
  to this Current Report on Form 8-K.
  
  The information shall not be deemed "filed" for purposes of Section 18 of the
  Securities 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,
  except as expressly set forth by specific reference in such filing.
  
  --------------------------------------------------------------------------
  
                                  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.
  
  
  
  
  Date: October 13, 2003                                  SUPERTEX, INC.
  
  
  
                                  By:        /s/ Henry C. Pao
                                     ---------------------------------------
                                     Henry C. Pao, Ph.D.
                                     President
                                  (Principal Executive and Financial Officer)
  
  
  
  
  --------------------------------------------------------------------------
  
                                  Exhibit Index
  
  Exhibit                   Description
  99.1                      Registrant's press release dated October 13, 2003, is
                            furnished pursuant to Item 12 of Form 8-K.
metadata_documents: [{"type": "8-K", "sequence": "1", "filename": "supx8kcover.txt", "description": "COVER", "secsgml_size_bytes": 3573}]
metadata_filer: {"company-data": {"conformed-name": "SUPERTEX INC", "cik": "0000730000", "assigned-sic": "3674", "irs-number": "942328535", "state-of-incorporation": "CA", "fiscal-year-end": "0331"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-12718", "film-number": "03939850"}, "business-address": {"street1": "1235 BORDEAUX DR", "city": "SUNNYVALE", "state": "CA", "zip": "94089", "phone": "4087440100"}, "mail-address": {"street1": "1235 BORDEAUX DR", "city": "SUNNYVALE", "state": "CA", "zip": "94089"}}
text: 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): October 13, 2003
  
                                  SUPERTEX, INC.
                  (Exact Name of Registrant as Specified in Charter)
  
                                   0-12718
                           (Commission File Number)
  
  California                                                  94-2328535
  (State or Other Jurisdiction of                          (I.R.S. Employer
  Incorporation or Organization)                           Identification No.)
  
                                 1235 Bordeaux Drive
                             Sunnyvale, California 94089
             (Address of principal executive offices including zip code)
  
                                    (408) 222-8888
                  (Registrant's telephone number, including area code)
  
  --------------------------------------------------------------------------
  
                                  TABLE OF CONTENTS
  
          Item 7.  Financial Statements and Exhibits
          Item 12. Disclosure of Results of Operations and Financial Condition
                  SIGNATURES
          Exhibit Index
                  EXHIBIT 99.1
  
  --------------------------------------------------------------------------
  Item 7.    Financial Statements and Exhibits.
  
  (c)    Exhibits
  
            Exhibit 99.1, Registrant's Press Release dated October 13, 2003, is
  furnished pursuant to Item 12 of Form 8-K.
  
  --------------------------------------------------------------------------
  
  Item 12.    Disclosure of Results of Operations and Financial Condition.
  
  On October 13, 2003, Registrant announced via press release its results for its
  2004 fiscal second quarter ended September 30, 2003. The full text of the press
  release issued in connection with that announcement is attached as Exhibit 99.1
  to this Current Report on Form 8-K.
  
  The information shall not be deemed "filed" for purposes of Section 18 of the
  Securities 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,
  except as expressly set forth by specific reference in such filing.
  
  --------------------------------------------------------------------------
  
                                  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.
  
  Date: October 13, 2003                                  SUPERTEX, INC.
  
                                  By:        /s/ Henry C. Pao
                                     ---------------------------------------
                                     Henry C. Pao, Ph.D.
                                     President
                                  (Principal Executive and Financial Officer)
  
  --------------------------------------------------------------------------
  
                                  Exhibit Index
  
  Exhibit                   Description
  99.1                      Registrant's press release dated October 13, 2003, is
                            furnished pursuant to Item 12 of Form 8-K.