<SEC-DOCUMENT>0001387467-19-000064.txt : 20191112
<SEC-HEADER>0001387467-19-000064.hdr.sgml : 20191112
<ACCEPTANCE-DATETIME>20191112192235
ACCESSION NUMBER:		0001387467-19-000064
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20191107
FILED AS OF DATE:		20191112
DATE AS OF CHANGE:		20191112

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Chen Claudia
		CENTRAL INDEX KEY:			0001786101

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34717
		FILM NUMBER:		191211367

	MAIL ADDRESS:	
		STREET 1:		475 OAKMEAD PARKWAY
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94085

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALPHA & OMEGA SEMICONDUCTOR Ltd
		CENTRAL INDEX KEY:			0001387467
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		475 OAKMEAD PARKWAY
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94085
		BUSINESS PHONE:		408-830-9742

	MAIL ADDRESS:	
		STREET 1:		475 OAKMEAD PARKWAY
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94085

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALPHA & OMEGA SEMICONDUCTOR LTD
		DATE OF NAME CHANGE:	20070123
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>wf-form3_157360453813641.xml
<DESCRIPTION>FORM 3
<TEXT>
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<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2019-11-07</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001387467</issuerCik>
        <issuerName>ALPHA &amp; OMEGA SEMICONDUCTOR Ltd</issuerName>
        <issuerTradingSymbol>AOSL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001786101</rptOwnerCik>
            <rptOwnerName>Chen Claudia</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>475 OAKMEAD PKWY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SUNNYVALE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94085</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks>Exhibit list: Exhibit 24 POA</remarks>

    <ownerSignature>
        <signatureName>/s Yanbing Hong, attorney-in-fact for Claudia Chen</signatureName>
        <signatureDate>2019-11-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>aos-poaclaudiachen.htm
<DESCRIPTION>CLAUDIA CHEN POA
<TEXT>
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<div><a name="s6F204FD83980A92B1D046A52F020F22A"></a></div><div></div><div><br></div><div style="line-height:120%;padding-bottom:32px;text-align:center;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;font-weight:bold;text-decoration:underline;">POWER OF ATTORNEY</font></div><div style="line-height:120%;padding-bottom:16px;text-align:justify;text-indent:48px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;">KNOW ALL MEN BY THESE PRESENTS</font><font style="font-family:inherit;font-size:11pt;">, that the undersigned hereby constitutes and appoints Yanbing Hong, with full authority to act, as the undersigned&#8217;s true and lawful attorney-in-fact to:</font></div><div style="line-height:120%;padding-left:0px;text-align:justify;text-indent:48px;"><font style="text-align:justify;font-family:inherit;font-size:10pt;padding-right:48px;">(1)</font><font style="font-family:inherit;font-size:11pt;">execute for and on behalf of the undersigned, in the undersigned&#8217;s capacity as a reporting person pursuant to Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the rules thereunder, of </font><font style="font-family:inherit;font-size:11pt;font-weight:bold;">Alpha and Omega Semiconductor Limited</font><font style="font-family:inherit;font-size:11pt;">, a Bermuda&#160;limited liability exempted company (the &#8220;Company&#8221;), and Forms 3, 4 and 5 in accordance with Section 16(a) of the Exchange Act;</font></div><div style="line-height:120%;padding-left:0px;text-align:justify;text-indent:48px;"><font style="text-align:justify;font-family:inherit;font-size:10pt;padding-right:48px;">(2)</font><font style="font-family:inherit;font-size:11pt;">do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such Form 3, 4, or 5 and file such form with the United States Securities and Exchange Commission and any stock exchange or similar authority or organization; and</font></div><div style="line-height:120%;padding-left:0px;text-align:justify;text-indent:48px;"><font style="text-align:justify;font-family:inherit;font-size:10pt;padding-right:48px;">(3)</font><font style="font-family:inherit;font-size:11pt;">take any other action of any type whatsoever in connection with the foregoing which, in the opinion ofsuch attorney-in-fact, may be of benefit to, in the best interest of, or legally required of, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned, pursuant to this Power of Attorney, shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in the sole discretion of such attorney-in-fact.</font></div><div style="line-height:120%;padding-bottom:16px;text-align:justify;text-indent:48px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">The undersigned hereby grants to such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or the substitute or substitutes of such attorney-in-fact, shall lawfully do or cause to be done by virtue of this Power of Attorney and the rights and powers herein granted.  The undersigned acknowledges that the foregoing attorney-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned&#8217;s responsibilities to comply with Section 16 of the Exchange Act.</font></div><div style="line-height:120%;padding-bottom:16px;text-align:justify;text-indent:48px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4, and 5 with respect to the undersigned&#8217;s holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorney-in-fact.</font></div><div style="line-height:120%;padding-bottom:16px;text-align:justify;text-indent:48px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;">IN WITNESS WHEREOF</font><font style="font-family:inherit;font-size:11pt;">, the undersigned has caused this Power of Attorney to be executed as of this 12th day of November, 2019.</font></div><div style="line-height:137%;padding-top:38px;text-align:center;padding-left:336px;font-size:12pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:29.914529914529915%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Signed and acknowledged:</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">/s/ Claudia Chen</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">By: </font><font style="font-family:inherit;font-size:11pt;">Claudia Chen</font></div></td></tr></table></div></div><div style="line-height:120%;padding-bottom:48px;text-align:left;padding-left:288px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"><br></font></div><div><br></div><div></div>    </body>
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