Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN 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 *
GRILLO ANTHONY
   2. Issuer Name and Ticker or Trading Symbol
LITTELFUSE INC /DE [LFUS] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
8755 WEST HIGGINS ROAD		 3. Date of Earliest Transaction (Month/Day/Year)
03/02/2015
(Street)

CHICAGO, IL 60631		 4. If Amendment, Date Original Filed(Month/Day/Year)
 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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common stock 03/02/2015   M   1,000 A $ 35.5 59,639 D  
Common stock 03/02/2015   M   1,000 A $ 27.1 60,639 D  
Common stock 03/02/2015   M   1,000 A $ 25.2 61,639 D  
Common stock 03/02/2015   M   5,000 A $ 27.21 66,639 D  
Common stock 03/02/2015   M   2,415 A $ 36.33 69,054 D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock option (right to buy) $ 35.5 03/02/2015   M     1,000   (1)   (2) Common stock 1,000 $ 0 0 D  
Stock option (right to buy) $ 27.1 03/02/2015   M     1,000   (1)   (3) Common stock 1,000 $ 0 1,000 D  
Stock option (right to buy) $ 25.2 03/02/2015   M     1,000   (1)   (4) Common stock 1,000 $ 0 2,000 D  
Stock option (right to buy) $ 27.21 03/02/2015   M     5,000   (1) 05/06/2015 Common stock 5,000 $ 0 0 D  
Stock option (right to buy) $ 36.33 03/02/2015   M     2,415   (1) 04/25/2015 Common stock 2,415 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
GRILLO ANTHONY
8755 WEST HIGGINS ROAD
CHICAGO, IL 60631		   X      

Signatures

 Mary S. Muchoney, by power of attorney   03/04/2015
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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) The options are fully vested and exercisable.
(2) The option expires in five equal annual installments, on April 28, 2011, April 28, 2012, April 28, 2013, April 28, 2014 and April 28, 2015.
(3) The option expires in five equal annual installments, on April 27, 2012, April 27, 2013, April 27, 2014, April 27, 2015 and April 27, 2016.
(4) The option expires in five equal annual installments, on April 26, 2013, April 26, 2014, April 26, 2015, April 26, 2016 and April 26, 2017.

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