Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  KIM JAMES JUNGSUP
 2. Date of Event Requiring Statement (Month/Day/Year)
01/26/2007		 3. Issuer Name and Ticker or Trading Symbol
SEMTECH CORP [SMTC]
(Last)
(First)
(Middle)
200 FLYNN ROAD		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice President
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

CAMARILLO, CA 93012-8790		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 1,000
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock option - right to buy   (1) 08/04/2009 Common Stock 29,418 $ 14 D  
Stock option - right to buy   (2) 12/22/2010 Common Stock 15,000 $ 15.375 D  
Stock option - right to buy   (3) 10/03/2011 Common Stock 10,000 $ 25.67 D  
Stock option - right to buy   (4) 08/29/2012 Common Stock 10,000 $ 14.05 D  
Stock option - right to buy   (9) 12/05/2012 Common Stock 20,000 $ 13.03 D  
Stock option - right to buy   (5) 08/21/2013 Common Stock 15,000 $ 17.35 D  
Stock option - right to buy   (6) 05/20/2014 Common Stock 20,000 $ 22.13 D  
Stock option - right to buy   (7) 08/18/2014 Common Stock 15,000 $ 17.48 D  
Stock option - right to buy   (8) 09/29/2015 Common Stock 18,000 $ 15.54 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
KIM JAMES JUNGSUP
200 FLYNN ROAD
CAMARILLO, CA 93012-8790		       Vice President  

Signatures

James Jungsup Kim 02/03/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) This option vested in 3 equal annual installments beginning 8/4/2000
(2) This option vested in 4 equal annual installments beginning 12/22/2001
(3) This option vested in 4 equal annual installments beginning 10/3/2002
(4) This option vested in 4 equal annual installments beginning 8/29/2003
(5) This option vests in 4 equal annual installments beginning 8/21/2004
(6) This option vests in 4 equal annual installments beginning 5/20/2005
(7) This option vests in 4 equal annual installments beginning 8/18/2005
(8) This option vests in 4 equal annual installments beginning 9/29/2006
(9) This option vested on 1/28/07, subject to earlier vesting based on attainment of individual performance goals; 15,000 shares were vested on January 26, 2007

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