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 * HUNTER GORDON   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 __X__ Officer (give title below) _____ Other (specify below) Chairman, President & CEO (Last) (First) (Middle) 8755 WEST HIGGINS ROAD 3. Date of Earliest Transaction (Month/Day/Year) 09/13/2016 (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 09/13/2016   M   10,000 A $ 66.68 54,344 D   Common stock 09/13/2016   S   7,798 (1) D $ 122.823 (2) 46,546 D   Common stock 09/13/2016   S   2,102 (1) D $ 123.695 (3) 44,444 D   Common stock 09/13/2016   S   100 (1) D $ 124.48 44,344 D   Common stock 09/14/2016   A   9 (4) A $ 122.03 44,353 D   Common stock 09/14/2016   M   3,767 A $ 66.68 48,120 D   Common stock 09/14/2016   M   1,284 A $ 94.84 49,404 D   Common stock 09/14/2016   S   6,353 (1) D $ 122.127 (5) 43,051 D   Common stock 09/14/2016   S   3,647 (1) D $ 122.76 (6) 39,404 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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)

$ 66.68

09/13/2016

M

10,000

(7)

04/26/2020

Common stock

10,000

$ 0

3,767

D

Stock option (right to buy)

$ 66.68

09/14/2016

M

3,767

(7)

04/26/2020

Common stock

3,767

$ 0

0

D

Stock option (right to buy)

$ 94.84

09/14/2016

M

1,284

(7)

04/25/2021

Common stock

1,284

$ 0

37,336

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
HUNTER GORDON 8755 WEST HIGGINS ROAD CHICAGO, IL 60631	X		Chairman, President & CEO

Signatures

Mary S. Muchoney, by power of attorney		09/15/2016
**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 sale was effected pursuant to a Rule 10b5-1 trading plan.
(2)	The shares were sold in multiple transactions at prices ranging from $122.335 to $123.24. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
(3)	The shares were sold in multiple transactions at prices ranging from $123.41 to $124.31. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
(4)	Represents shares acquired pursuant to reinvestment of dividends on shares held pursuant to a deferred compensation plan.
(5)	The shares were sold in multiple transactions at prices ranging from $121.54 to $122.51. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
(6)	The shares were sold in multiple transactions at prices ranging from $122.55 to $123.45. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
(7)	The options vest in increments of one third annually beginning on the first anniversary of the date of grant.

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