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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 18pt; FONT-FAMILY: Times New Roman;"><strong>UNITED
        STATES</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 18pt; FONT-FAMILY: Times New Roman;"><strong>SECURITIES
        AND EXCHANGE COMMISSION</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>Washington,
        D.C. 20549</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman;"><strong>FORM
        8-K</strong></font></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">CURRENT
        REPORT</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">Pursuant
        to Section 13 OR 15(d) of</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">The
        Securities Exchange Act of 1934</font></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><font style="DISPLAY: inline; FONT-SIZE: 10pt;">Date
        of Report (Date of earliest event
        reported):</font>&#160;<font style="DISPLAY: inline; FONT-SIZE: 10pt;">July
        24</font><font style="DISPLAY: inline; FONT-SIZE: 10pt;">,
        2007</font></font></div>
      <div><br></div>
      <div align="center">
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 17pt; FONT-FAMILY: times new roman;"><strong>SUPERTEX,
                  INC.</strong></font></div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="79%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
            </tr>
            <tr>
              <td valign="top" width="79%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">(Exact
                  name of registrant as specified in its
                  charter)</font></div>
              </td>
            </tr>
  
        </table>
      </div>
      <div><br></div>
      <div align="center">
        <table cellpadding="0" cellspacing="0" width="95%">
  
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              <td valign="top" width="20%" style="BORDER-BOTTOM: black 2px solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;"><strong>California</strong></font></div>
              </td>
              <td width="1%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="20%" style="BORDER-BOTTOM: black 2px solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;"><strong>0-12718</strong></font></div>
              </td>
              <td width="1%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="20%" style="BORDER-BOTTOM: black 2px solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;"><strong>94-2328535</strong></font></div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="20%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">(State
                  or other jurisdiction of&#160;&#160;incorporation)</font></div>
              </td>
              <td width="1%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="20%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">(Commission
                  File Number)</font></div>
              </td>
              <td width="1%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td align="left" valign="top" width="20%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">(IRS
                  Employer Identification No.)</font></div>
              </td>
            </tr>
  
        </table>
      </div>
      <div><br></div>
      <div align="center">
        <table cellpadding="0" cellspacing="0" width="95%">
  
            <tr>
              <td valign="top" width="56%" style="BORDER-BOTTOM: black 2px solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;"><strong>1235
                  Bordeaux Drive, Sunnyvale, California</strong></font></div>
              </td>
              <td width="1%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="22%" style="BORDER-BOTTOM: black 2px solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;"><strong>94089</strong></font></div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="56%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">(Address
                  of principal executive offices)</font></div>
              </td>
              <td width="1%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="22%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">(Zip
                  Code)</font></div>
              </td>
            </tr>
  
        </table>
      </div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">Registrant&#8217;s
        telephone number, including area code
  <strong><u>408-222-8888</u></strong></font></div>
      <div><br></div>
      <div align="center">
        <table cellpadding="0" cellspacing="0" width="95%">
  
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              <td valign="top" width="30%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
            </tr>
            <tr>
              <td valign="top" width="30%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
            </tr>
            <tr>
              <td valign="top" width="30%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">(Former
                  name or former address, if changed since last
                  report.)</font></div>
              </td>
            </tr>
  
        </table>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">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):</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">[
        ]
        Written communications pursuant to Rule 425 under the Securities Act (17 CFR
        230.425)</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">[
        ]
        Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
        240.14a-12)</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">[
        ]
        Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
        Act
        (17 CFR 240.14d-2(b))</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">[
        ]
        Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
        Act
        (17 CFR 240.13e-4(c))</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div><br></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>Item
        2.02.&#160;&#160;&#160;&#160;Results of Operations and Financial
        Condition.</strong></font></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">On
        July
        24, 2007, Supertex, Inc. (the &#8220;Company&#8221;) announced via press release the
        Company&#8217;s financial results for its first fiscal quarter ended June 30,
        2007.&#160;&#160;A copy of the Company&#8217;s press release is attached hereto as
        Exhibit 99.1.</font></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">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.</font></div>
      <div><br></div>
      <div><br></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>Item
        9.01 Financial Statements and Exhibits</strong></font></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">(d)&#160;&#160;&#160;&#160;Exhibits</font></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Exhibit
        99.1, Registrant's press release dated July 24, 2007, is furnished pursuant
        to
        Item 2.02 of Form 8-K.</font></div>
      <div><br></div>
      <div><br></div>
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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>SIGNATURES</strong></font></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">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.</font></div>
      <div><br></div>
      <div><br></div>
      <div><br></div>
      <div><br></div>
      <div align="center">
        <table cellpadding="0" cellspacing="0" width="95%">
  
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              <td valign="top" width="20%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="5%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td align="left" valign="top" width="40%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;"><strong>Supertex.,
                  Inc</strong></font></div>
              </td>
            </tr>
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              <td valign="top" width="20%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="5%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td align="left" valign="top" width="40%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">(Registrant)</font></div>
              </td>
            </tr>
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              <td valign="top" width="20%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="5%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="40%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
            </tr>
            <tr>
              <td align="left" valign="top" width="20%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">Date:
                  July 24, 2007</font></div>
              </td>
              <td align="left" valign="top" width="5%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">By</font></div>
              </td>
              <td align="left" valign="top" width="40%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">/s/
                  Phillip A. Kagel</font></div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="20%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td align="left" valign="top" width="5%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">Name</font></div>
              </td>
              <td align="left" valign="top" width="40%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">Phillip
                  A. Kagel</font></div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="20%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td align="left" valign="top" width="5%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">Title</font></div>
              </td>
              <td align="left" valign="top" width="40%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">Vice
                  President of Finance and Chief Financial Officer</font></div>
                <div>&#160;</div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="20%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="5%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td align="left" valign="top" width="40%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;"><font style="DISPLAY: inline; FONT-SIZE: 10pt;">&#160;</font><em>(Duly
                  Authorized
                  Officer and Principal Financial and Accounting
                  Officer)</em></font></div>
              </td>
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      <div><br></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>Exhibit
        Index</strong></font></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><u>Exhibit</u>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;
        <u>Description</u></font></div>
      <div>
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                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">99.1&#160;&#160;</font></div>
              </td>
              <td>
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">Registrant's
                  press release dated July 24, 2007, is furnished pursuant to Item
                  2.02 of
                  Form 8-K.</font></div>
              </td>
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text: supx8kfy08q1.htm
  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
        24
  ,
        2007
  SUPERTEX,
                  INC.
  (Exact
                  name of registrant as specified in its
                  charter)
  California
  0-12718
  94-2328535
  (State
                  or other jurisdiction of  incorporation)
  (Commission
                  File Number)
  (IRS
                  Employer Identification No.)
  1235
                  Bordeaux Drive, Sunnyvale, California
  94089
  (Address
                  of principal executive offices)
  (Zip
                  Code)
  Registrant's
        telephone number, including area code
  408-222-8888
  (Former
                  name or former address, 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
        24, 2007, Supertex, Inc. (the "Company") announced via press release the
        Company's financial results for its first fiscal quarter ended June 30,
        2007.  A copy of the Company's press release is attached hereto as
        Exhibit 99.1.
  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.
  Item
        9.01 Financial Statements and Exhibits
  (d)    Exhibits
  Exhibit
        99.1, Registrant's press release dated July 24, 2007, is furnished pursuant
        to
        Item 2.02 of Form 8-K.
  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.
  Supertex.,
                  Inc
  (Registrant)
  Date:
                  July 24, 2007
  By
  /s/
                  Phillip A. Kagel
  Name
  Phillip
                  A. Kagel
  Title
  Vice
                  President of Finance and Chief Financial Officer
  (Duly
                  Authorized
                  Officer and Principal Financial and Accounting
                  Officer)
  Exhibit
        Index
  Exhibit
  Description
  99.1
  Registrant's
                  press release dated July 24, 2007, is furnished pursuant to Item
                  2.02 of
                  Form 8-K.