0001140361-17-016736.txt : 20170425 0001140361-17-016736.hdr.sgml : 20170425 20170425165540 ACCESSION NUMBER: 0001140361-17-016736 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20170422 FILED AS OF DATE: 20170425 DATE AS OF CHANGE: 20170425 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: LITTELFUSE INC /DE CENTRAL INDEX KEY: 0000889331 STANDARD INDUSTRIAL CLASSIFICATION: SWITCHGEAR & SWITCHBOARD APPARATUS [3613] IRS NUMBER: 363795742 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 8755 WEST HIGGINS ROAD CITY: CHICAGO STATE: IL ZIP: 60631 BUSINESS PHONE: 773-628-1000 MAIL ADDRESS: STREET 1: 8755 WEST HIGGINS ROAD CITY: CHICAGO STATE: IL ZIP: 60631 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: HEINZMANN DAVID W CENTRAL INDEX KEY: 0001279765 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-20388 FILM NUMBER: 17781698 MAIL ADDRESS: STREET 1: 8755 WEST HIGGINS ROAD STREET 2: SUITE 500 CITY: CHICAGO STATE: IL ZIP: 60631 4 1 doc1.xml FORM 4 X0306 4 2017-04-22 0 0000889331 LITTELFUSE INC /DE LFUS 0001279765 HEINZMANN DAVID W 8755 W. HIGGINS ROAD SUITE 500 CHICAGO IL 60631 1 1 0 0 President & CEO Common Stock 2017-04-22 4 F 0 679 153.11 D 30837 D Common Stock 2017-04-24 4 F 0 707 156.17 D 30130 D Common Stock 6349 I By Trust Closing price per share on date of vesting of restricted stock units. Exhibit 24: Power of Attorney Hans Weinburger, by power of attorney 2017-04-25 EX-24.1 2 poa_heinzmann.htm POWER OF ATTORNEY
POWER OF ATTORNEY

Know by all these presents that the undersigned hereby constitute and appoint each of Ryan K. Stafford, Meenal A.Sethna, Rebekah Mihm and Hans Weinburger, or any of them signing singly, with full power of substitution, the undersigned's true and lawful attorney-in-fact to:

1)
Prepare, execute in the undersigned's name and on the undersigned's behalf, and submit to the U.S. Securities and Exchange Commission (the "SEC") a Form ID, including amendments thereto, and any other documents necessary or appropriate to obtain codes and passwords enabling the undersigned to make electronic filings with the SEC of reports required by Section 16(a) of the Securities Exchange Act of 1934 or any rule or regulation of the SEC;

2)
Execute for and on behalf of the undersigned, in the undersigned's capacity as an officer and/or director of Littelfuse, Inc. (the "Company"), Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder;

3)
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, complete and execute any amendment or amendments thereto, and timely file such form with the United States Securities and Exchange Commission and any stock exchange or similar authority; and

4)
Take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, 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 such attorney-in-fact's discretion.

The undersigned hereby grants to each 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 such attorney-in-fact's substitute or substitutes, 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 attorneys-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's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.

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'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 attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this 17th day of January, 2017.


/s/ David W. Heinzmann
David W. Heinzmann