<SEC-DOCUMENT>0001209191-14-054359.txt : 20140826
<SEC-HEADER>0001209191-14-054359.hdr.sgml : 20140826
<ACCEPTANCE-DATETIME>20140826110710
ACCESSION NUMBER:		0001209191-14-054359
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20140812
FILED AS OF DATE:		20140826
DATE AS OF CHANGE:		20140826

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DIODES INC /DEL/
		CENTRAL INDEX KEY:			0000029002
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				952039518
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4949 HEDGCOXE ROAD
		STREET 2:		SUITE 200
		CITY:			PLANO
		STATE:			TX
		ZIP:			75024
		BUSINESS PHONE:		972-987-3900

	MAIL ADDRESS:	
		STREET 1:		4949 HEDGCOXE ROAD
		STREET 2:		SUITE 200
		CITY:			PLANO
		STATE:			TX
		ZIP:			75024

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SILITEK CORP
		CENTRAL INDEX KEY:			0000905994

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	002-25577
		FILM NUMBER:		141064321

	BUSINESS ADDRESS:	
		STREET 1:		10TH FLOOR #25 TUNG HUA SO. RD.
		CITY:			TAIPEI
		STATE:			F5
		ZIP:			00000
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
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        <issuerName>DIODES INC /DEL/</issuerName>
        <issuerTradingSymbol>DIOD</issuerTradingSymbol>
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            <rptOwnerName>SILITEK CORP</rptOwnerName>
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            <rptOwnerStreet2>HSIN-TIEN</rptOwnerStreet2>
            <rptOwnerCity>TAIPEI-HSIEN</rptOwnerCity>
            <rptOwnerState>F5</rptOwnerState>
            <rptOwnerZipCode>23115</rptOwnerZipCode>
            <rptOwnerStateDescription>TAIWAN, PROVINCE OF CHINA</rptOwnerStateDescription>
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                <value>Diodes Incorporated Common Stock</value>
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            <transactionAmounts>
                <transactionShares>
                    <value>21423</value>
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                <transactionPricePerShare>
                    <value>25.7333</value>
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                <transactionAcquiredDisposedCode>
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                <value>Diodes Incorporated Common Stock</value>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
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                <transactionPricePerShare>
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            <securityTitle>
                <value>Diodes Incorporated Common Stock</value>
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            <transactionDate>
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            <deemedExecutionDate></deemedExecutionDate>
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                <transactionCode>S</transactionCode>
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                <transactionPricePerShare>
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                    <footnoteId id="F12"/>
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    <footnotes>
        <footnote id="F1">The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.81 to $26.28, inclusive. The reporting person undertakes to provide to Diodes Incorporated, any security holder of Diodes Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.</footnote>
        <footnote id="F2">The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.91 to $26.10, inclusive. The reporting person undertakes to provide to Diodes Incorporated, any security holder of Diodes Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.</footnote>
        <footnote id="F3">The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.82 to $26.10, inclusive. The reporting person undertakes to provide to Diodes Incorporated, any security holder of Diodes Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3) to this Form 4.</footnote>
        <footnote id="F4">The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.70 to $25.97, inclusive. The reporting person undertakes to provide to Diodes Incorporated, any security holder of Diodes Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (4) to this Form 4.</footnote>
        <footnote id="F5">The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.59 to $25.835, inclusive. The reporting person undertakes to provide to Diodes Incorporated, any security holder of Diodes Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (5) to this Form 4.</footnote>
        <footnote id="F6">The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.30 to $25.64, inclusive. The reporting person undertakes to provide to Diodes Incorporated, any security holder of Diodes Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (6) to this Form 4.</footnote>
        <footnote id="F7">The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.80 to $25.81, inclusive. The reporting person undertakes to provide to Diodes Incorporated, any security holder of Diodes Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (7) to this Form 4.</footnote>
        <footnote id="F8">The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.54 to $26.04, inclusive. The reporting person undertakes to provide to Diodes Incorporated, any security holder of Diodes Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (8) to this Form 4.</footnote>
        <footnote id="F9">The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.40 to $25.93, inclusive. The reporting person undertakes to provide to Diodes Incorporated, any security holder of Diodes Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (9) to this Form 4.</footnote>
        <footnote id="F10">The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.70 to $26.01, inclusive. The reporting person undertakes to provide to Diodes Incorporated, any security holder of Diodes Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (10) to this Form 4.</footnote>
        <footnote id="F11">The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.80 to $25.97, inclusive. The reporting person undertakes to provide to Diodes Incorporated, any security holder of Diodes Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (11) to this Form 4.</footnote>
        <footnote id="F12">The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.80 to $25.96, inclusive. The reporting person undertakes to provide to Diodes Incorporated, any security holder of Diodes Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (12) to this Form 4.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>David Lee, Chief Executive Officer</signatureName>
        <signatureDate>2014-08-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
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