Exhibit 32

  Statement of Chief Executive Officer and Chief Financial Officer under 18
  U.S.C. 1350

   I, Henry C. Pao, the chief executive officer and chief financial officer of
Supertex, Inc., a California corporation (the "Company"), certify pursuant to
Section 1350 of Chapter 63 of Title 18 of the United States Code, that to my
knowledge:

  (i) the Annual Report of the Company on Form 10-K for the period ending March
31, 2004 (the "Report"), fully complies with the requirements of Section 13(a)
or 15(d), whichever is applicable, of the Securities Exchange Act of 1934, and

 (ii)  the information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.



Date: June 16, 2004                                 /s/ Henry C. Pao
                                                    -------------------------
                                                    Henry C. Pao, Ph.D. Chief
                                                    Executive Officer and
                                                    Chief Financial Officer




The material contained in this Exhibit 32 is not deemed "filed" with the SEC
and is not to be incorporated by reference into any filing of the Company under
the Securities Act of 1933 or the Securities Exchange Act of 1934, whether made
before or after the date hereof and irrespective of any general incorporation
language contained in such filing.