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<H5 align="left" style="page-break-before:always"><A HREF="#F59390toc">Table of Contents</A></H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>As filed with the Securities and Exchange Commission on June&nbsp;9, 2011</B></DIV>


<DIV align="right" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Registration No.&nbsp;333-</B>
</DIV>

<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt; margin-top:3pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 1pt solid black; font-size: 1pt">&nbsp;</DIV>




<DIV align="center" style="font-size: 14pt; margin-top: 12pt"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>WASHINGTON, D.C. 20549</B>
</DIV>

<DIV align="center"><DIV style="FONT-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>

<DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>FORM S-8</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B><FONT style="FONT-variant: SMALL-CAPS">Registration Statement Under The Securities Act of 1933</FONT></B>
</DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>IXYS CORPORATION</B>
</DIV>

<DIV align="center" style="font-size: 10pt">(Exact name of registrant as specified in its charter)</DIV>


<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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<TR valign="bottom">
    <TD width="47%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="47%">&nbsp;</TD>
</TR>
<TR></TR>
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<TR valign="bottom">
    <TD align="center" valign="top">Delaware
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">77-0140882</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(State or other jurisdiction
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(I.R.S. Employer</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">incorporation or organization)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Identification No.)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>1590 Buckeye Drive<BR>
Milpitas, California 95035-7418<BR>
(408)&nbsp;457-9000<BR>
(Address, including zip code, and telephone number, including area code, of registrant&#146;s principal executive office)</B></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="FONT-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>IXYS Corporation Amended and Restated 1999 Employee Stock Purchase Plan</B><BR>
(Full title of Plan)</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated
filer, a non-accelerated filer or a smaller reporting company. See the definitions of &#147;large
accelerated filer,&#148; &#147;accelerated filer&#148; and &#147;smaller reporting company&#148; in Rule&nbsp;12b-2 of the
Exchange Act. (Check one):
</DIV>


<TABLE width="100%" style="FONT-size: 10pt; margin-top: 0pt">
<TR valign="top"><TD>Large accelerated filer&nbsp;<FONT style="font-family: Wingdings">&#111;</FONT></TD>
<TD align="center">Accelerated filer&nbsp;<FONT style="font-family: Wingdings">&#254;</FONT>&nbsp;</TD><TD align="center">Non-accelerated filer&nbsp;<FONT style="font-family: Wingdings">&#111;</FONT><BR>(Do not check if a smaller reporting company)</TD><TD align="right">Smaller reporting company&nbsp;<FONT style="font-family: Wingdings">&#111;</FONT></TD></TR></TABLE>

<DIV align="center"><DIV style="FONT-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>CALCULATION OF REGISTRATION FEE</B></DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom" style="font-size:1px">
    <TD width="1%">&nbsp;</TD>
    <TD width="54%">&nbsp;</TD>
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    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>

    <TD width="1%">&nbsp;</TD>
</TR><TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="23" style="border-bottom: 3px double #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Proposed</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Proposed</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Maximum</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Maximum</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Aggregate</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Amount of</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Amount To</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Offering Price</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Offering</B><SUP style="FONT-size: 85%; vertical-align: text-top"><B>(2)</B></SUP></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Registration Fee</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="left"><B>Title of Securities to be Registered</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Be Registered</B><SUP style="FONT-size: 85%; vertical-align: text-top"><B>(1)</B></SUP></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Per Share</B><SUP style="FONT-size: 85%; vertical-align: text-top"><B>(2)</B></SUP></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Price</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><SUP style="FONT-size: 85%; vertical-align: text-top"><B>(3)</B></SUP></TD>
    <TD width="1%">&nbsp;</TD>
</TR>

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<TR valign="bottom">
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
                    <TD style="border-top: 2px solid #000000"><DIV style="margin-left:15px; text-indent:-15px">Common Stock ($0.01 par value)
issuable under the IXYS Corporation
Amended and Restated 1999 Employee Stock
Purchase Plan</DIV></TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">350,000</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">12.74</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">4,459,000</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">517.69</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="23" style="border-top: 3px double #000000">&nbsp;</TD>
</TR>

<!-- End Table Body -->
</TABLE>
</DIV>



<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96%"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left"><SUP style="FONT-size: 85%; vertical-align: text-top">(1)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>Represents the additional number of shares of IXYS Corporation&#146;s (the
&#147;Registrant&#148;) common stock that may be issued under the IXYS Corporation 1999 Employee Stock
Purchase Plan (the &#147;Plan&#148;) to eligible employees of the Registrant or its affiliates that have not
been previously registered. Pursuant to Rule&nbsp;416(a), this Registration Statement shall also cover
any additional shares of the Registrant&#146;s common stock that may become issuable under the Play by
reason of any stock dividend, stock split, recapitalization or other similar transaction effected
without the receipt of consideration that increases the number of the Registrant&#146;s outstanding
shares of common stock.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left"><SUP style="FONT-size: 85%; vertical-align: text-top">(2)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>Estimated solely for the purpose of calculating the amount of the
registration fee pursuant to Rule 457(c) and Rule 457(h) under the Securities Act of 1933, as
amended.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left"><SUP style="FONT-size: 85%; vertical-align: text-top">(3)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>Calculated solely for purposes of this offering under Rules 457(c) and
457(h) of the Securities Act of 1933, as amended, the proposed maximum offering price per share and
the proposed maximum aggregate offering price have been determined based upon the average of the
high and low sale prices of shares of the Registrant&#146;s common stock reported on the Nasdaq Global
Select Market on June&nbsp;6, 2011.</TD>
</TR>

</TABLE>



<DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>







<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">










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<A name="F59390toc"><DIV align="CENTER" style="page-break-before:always"><U><B>TABLE OF CONTENTS</B></U></DIV></A>

<P><CENTER>
<TABLE border="0" width="90%" cellpadding="0" cellspacing="0">
<TR>
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	<TD width="76%"></TD>
</TR>
<TR><TD colspan="9"><A HREF="#F59390000">PART II.<BR> INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#F59390001">Item&nbsp;8. EXHIBITS</A></TD></TR>
<TR><TD colspan="9"><A HREF="#F59390002">SIGNATURES</A></TD></TR>
<TR><TD colspan="9"><A HREF="#F59390003">Exhibit&nbsp;Index</A></TD></TR>
<TR><TD colspan="9"><A HREF="f59390exv5w1.htm">EX-5.1</A></TD></TR>
<TR><TD colspan="9"><A HREF="f59390exv23w1.htm">EX-23.1</A></TD></TR>
</TABLE>
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<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>INTRODUCTION</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This Registration Statement relates to the registration of additional securities under the
IXYS Corporation 1999 Employee Stock Purchase Plan (the &#147;Plan&#148;). In accordance with General
Instruction E to Form S-8, the contents of the previous Registration Statement on From S-8,
Commission File No.&nbsp;333-96081, filed by IXYS Corporation on February&nbsp;3, 2000, with the Securities
and Exchange Commission (the &#147;SEC) related to the Plan are incorporated herein by reference and
made part of this Registration Statement, except as amended hereby.
</DIV>
<!-- link1 "PART II.<BR> INFORMATION REQUIRED IN THE REGISTRATION STATEMENT" -->
<DIV align="left"><A NAME="F59390000"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>PART II.<BR>
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</B>
</DIV>

<!-- link2 "Item&nbsp;8. EXHIBITS" -->
<DIV align="left"><A NAME="F59390001"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;8. EXHIBITS</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="7%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="91%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><B>Exhibit No.</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><B>Description</B></TD>
</TR>

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<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Manatt, Phelps &#038; Phillips, LLP*</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of BDO USA, LLP, Independent Registered Public Accounting Firm*</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Manatt, Phelps &#038; Phillips LLP (included in Exhibit&nbsp;5.1)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of Attorney is contained on page 3 of this Registration Statement</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">99.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">IXYS Corporation Amended and Restated 1999 Employee Stock Purchase Plan (filed November&nbsp;3,
2010 as Exhibit&nbsp;10.1 to the Quarterly Report on Form&nbsp;10-Q for the quarter ended September&nbsp;30,
2010 (No.&nbsp;000-26124) and incorporated herein by reference)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



<DIV align="left">
<DIV style="font-size: 3pt; margin-top: 16pt; width: 18%; border-top: 1px solid #000000">&nbsp;</DIV>
</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96%"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left">*</TD>
    <TD>&nbsp;</TD>
    <TD>Filed herewith.</TD>
</TR>

</TABLE>


<P align="center" style="font-size: 10pt"><!-- Folio -->2<!-- /Folio -->
</DIV>

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<H5 align="left" style="page-break-before:always"><A HREF="#F59390toc">Table of Contents</A></H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">





<!-- link1 "SIGNATURES" -->
<DIV align="left"><A NAME="F59390002"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SIGNATURES</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant
certifies that it has reasonable grounds to believe that it meets all of the requirements of filing
of Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the
undersigned, thereunto duly authorized, in the City of Milpitas, State of California on this June
9, 2011.
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left"><B>IXYS CORPORATION</B><BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Nathan Zommer
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Nathan Zommer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Chairman and Chief Executive Officer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>KNOW ALL MEN BY THESE PRESENTS, </B>that each person whose signature appears below constitutes and
appoints Mr.&nbsp;James Jones, Mr.&nbsp;Uzi Sasson and Mr.&nbsp;Nathan Zommer, and each of them, his true and
lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him and
in his name, place and stead, in any and all capacities, to sign any or all amendments to this
Registration Statement, and to file the same with all exhibits thereto, and all other documents in
connection therewith, with the Securities and Exchange Commission, granting unto said
attorney-in-fact and agent full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully to all intents and purposes
as he might or could do in person, hereby ratifying and confirming all that said attorney-in-fact
and agent, or his substitute, may lawfully do or cause to be done by virtue hereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, this registration statement has
been signed by the following persons in the capacities and on the dates indicated.
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="20%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="50%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="20%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Signature</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Title</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Date</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">/s/ Nathan Zommer<BR>
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Nathan Zommer
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Chairman, Chief Executive Officer and Director<BR>
(Principal Executive Officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">June&nbsp;9, 2011</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">/s/ Uzi Sasson<BR>
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Uzi Sasson
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">President and
Chief Financial Officer <br>
(Principal Financial Officer
and Principal Accounting
Officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">June&nbsp;9, 2011</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">/s/ Donald L. Feucht<BR>
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Donald L. Feucht
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Director&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">June&nbsp;9, 2011</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">/s/ Samuel Kory<BR>
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Samuel Kory
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Director&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">June&nbsp;9, 2011</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">/s/ S. Joon Lee<BR>
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
S. Joon Lee
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Director&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">June&nbsp;9, 2011</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">/s/ Timothy A. Richardson<BR>
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Timothy A. Richardson
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Director&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">June&nbsp;9, 2011</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->3<!-- /Folio -->
</DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#F59390toc">Table of Contents</A></H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="20%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="50%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="20%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Signature</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Title</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Date</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">/s/ James M. Thorburn<BR>
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
James M. Thorburn
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Director&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">June&nbsp;9, 2011</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">/s/ Kenneth D. Wong<BR>
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Kenneth D. Wong
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Director&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">June&nbsp;9, 2011</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->4<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#F59390toc">Table of Contents</A></H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<!-- link1 "Exhibit&nbsp;Index" -->
<DIV align="left"><A NAME="F59390003"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>Exhibit&nbsp;Index</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="7%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="91%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><B>Exhibit No.</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><B>Description</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Manatt, Phelps &#038; Phillips, LLP*</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of BDO USA, LLP, Independent Registered Public Accounting Firm*</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Manatt, Phelps &#038; Phillips LLP (included in Exhibit&nbsp;5.1)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of Attorney is contained on page 3 of this Registration Statement</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">99.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">IXYS Corporation Amended and Restated 1999 Employee Stock Purchase Plan (filed November&nbsp;3,
2010 as Exhibit&nbsp;10.1 to the Quarterly Report on Form&nbsp;10-Q for the quarter ended September&nbsp;30,
2010 (No.&nbsp;000-26124) and incorporated herein by reference)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



<DIV align="left">
<DIV style="font-size: 3pt; margin-top: 16pt; width: 18%; border-top: 1px solid #000000">&nbsp;</DIV>
</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96%"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left">*</TD>
    <TD>&nbsp;</TD>
    <TD>Filed herewith.</TD>
</TR>

</TABLE>


<P align="center" style="font-size: 10pt"><!-- Folio -->5<!-- /Folio -->
</DIV>

</BODY>
</HTML>
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sv8
Table of Contents
As filed with the Securities and Exchange Commission on June 9, 2011
Registration No. 333-
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM S-8
Registration Statement Under The Securities Act of 1933
IXYS CORPORATION
(Exact name of registrant as specified in its charter)
Delaware
77-0140882
(State or other jurisdiction
(I.R.S. Employer
incorporation or organization)
Identification No.)
1590 Buckeye Drive
Milpitas, California 95035-7418
(408) 457-9000
(Address, including zip code, and telephone number, including area code, of registrant's principal executive office)
IXYS Corporation Amended and Restated 1999 Employee Stock Purchase Plan
(Full title of Plan)
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated
filer, a non-accelerated filer or a smaller reporting company. See the definitions of "large
accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the
Exchange Act. (Check one):
Large accelerated filer
o
Accelerated filer
þ
Non-accelerated filer
o
(Do not check if a smaller reporting company)
Smaller reporting company
o
CALCULATION OF REGISTRATION FEE
Proposed
Proposed
Maximum
Maximum
Aggregate
Amount of
Amount To
Offering Price
Offering
(2)
Registration Fee
Title of Securities to be Registered
Be Registered
(1)
Per Share
(2)
Price
(3)
Common Stock ($0.01 par value)
issuable under the IXYS Corporation
Amended and Restated 1999 Employee Stock
Purchase Plan
350,000
$
12.74
$
4,459,000
$
517.69
(1)
Represents the additional number of shares of IXYS Corporation's (the
"Registrant") common stock that may be issued under the IXYS Corporation 1999 Employee Stock
Purchase Plan (the "Plan") to eligible employees of the Registrant or its affiliates that have not
been previously registered. Pursuant to Rule 416(a), this Registration Statement shall also cover
any additional shares of the Registrant's common stock that may become issuable under the Play by
reason of any stock dividend, stock split, recapitalization or other similar transaction effected
without the receipt of consideration that increases the number of the Registrant's outstanding
shares of common stock.
(2)
Estimated solely for the purpose of calculating the amount of the
registration fee pursuant to Rule 457(c) and Rule 457(h) under the Securities Act of 1933, as
amended.
(3)
Calculated solely for purposes of this offering under Rules 457(c) and
457(h) of the Securities Act of 1933, as amended, the proposed maximum offering price per share and
the proposed maximum aggregate offering price have been determined based upon the average of the
high and low sale prices of shares of the Registrant's common stock reported on the Nasdaq Global
Select Market on June 6, 2011.
TABLE OF CONTENTS
PART II.
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 8. EXHIBITS
SIGNATURES
Exhibit Index
EX-5.1
EX-23.1
Table of Contents
INTRODUCTION
This Registration Statement relates to the registration of additional securities under the
IXYS Corporation 1999 Employee Stock Purchase Plan (the "Plan"). In accordance with General
Instruction E to Form S-8, the contents of the previous Registration Statement on From S-8,
Commission File No. 333-96081, filed by IXYS Corporation on February 3, 2000, with the Securities
and Exchange Commission (the "SEC) related to the Plan are incorporated herein by reference and
made part of this Registration Statement, except as amended hereby.
PART II.
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 8. EXHIBITS
Exhibit No.
Description
5.1
Opinion of Manatt, Phelps & Phillips, LLP*
23.1
Consent of BDO USA, LLP, Independent Registered Public Accounting Firm*
23.2
Consent of Manatt, Phelps & Phillips LLP (included in Exhibit 5.1)
24.1
Power of Attorney is contained on page 3 of this Registration Statement
99.1
IXYS Corporation Amended and Restated 1999 Employee Stock Purchase Plan (filed November 3,
2010 as Exhibit 10.1 to the Quarterly Report on Form 10-Q for the quarter ended September 30,
2010 (No. 000-26124) and incorporated herein by reference)
*
Filed herewith.
2
Table of Contents
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant
certifies that it has reasonable grounds to believe that it meets all of the requirements of filing
of Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the
undersigned, thereunto duly authorized, in the City of Milpitas, State of California on this June
9, 2011.
IXYS CORPORATION
By:
/s/ Nathan Zommer
Nathan Zommer
Chairman and Chief Executive Officer
KNOW ALL MEN BY THESE PRESENTS,
that each person whose signature appears below constitutes and
appoints Mr. James Jones, Mr. Uzi Sasson and Mr. Nathan Zommer, and each of them, his true and
lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him and
in his name, place and stead, in any and all capacities, to sign any or all amendments to this
Registration Statement, and to file the same with all exhibits thereto, and all other documents in
connection therewith, with the Securities and Exchange Commission, granting unto said
attorney-in-fact and agent full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully to all intents and purposes
as he might or could do in person, hereby ratifying and confirming all that said attorney-in-fact
and agent, or his substitute, may lawfully do or cause to be done by virtue hereof.
Pursuant to the requirements of the Securities Act of 1933, this registration statement has
been signed by the following persons in the capacities and on the dates indicated.
Signature
Title
Date
/s/ Nathan Zommer
Nathan Zommer
Chairman, Chief Executive Officer and Director
(Principal Executive Officer)
June 9, 2011
/s/ Uzi Sasson
Uzi Sasson
President and
Chief Financial Officer
(Principal Financial Officer
and Principal Accounting
Officer)
June 9, 2011
/s/ Donald L. Feucht
Donald L. Feucht
Director
June 9, 2011
/s/ Samuel Kory
Samuel Kory
Director
June 9, 2011
/s/ S. Joon Lee
S. Joon Lee
Director
June 9, 2011
/s/ Timothy A. Richardson
Timothy A. Richardson
Director
June 9, 2011
3
Table of Contents
Signature
Title
Date
/s/ James M. Thorburn
James M. Thorburn
Director
June 9, 2011
/s/ Kenneth D. Wong
Kenneth D. Wong
Director
June 9, 2011
4
Table of Contents
Exhibit Index
Exhibit No.
Description
5.1
Opinion of Manatt, Phelps & Phillips, LLP*
23.1
Consent of BDO USA, LLP, Independent Registered Public Accounting Firm*
23.2
Consent of Manatt, Phelps & Phillips LLP (included in Exhibit 5.1)
24.1
Power of Attorney is contained on page 3 of this Registration Statement
99.1
IXYS Corporation Amended and Restated 1999 Employee Stock Purchase Plan (filed November 3,
2010 as Exhibit 10.1 to the Quarterly Report on Form 10-Q for the quarter ended September 30,
2010 (No. 000-26124) and incorporated herein by reference)
*
Filed herewith.
5