Washington, D.C. 20579


                                    FORM 8-K
                                 CURRENT REPORT

     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

         Date of Report (Date of earliest event reported) - May 9, 2005

                                Littelfuse, Inc.
             (Exact name of registrant as specified in its charter)

    Delaware                       0-20388                    36-3795742
-----------------             -----------------           -------------------
(State of other                  (Commission                 (IRS Employer
jurisdiction of                  File Number)             Identification No.)

800 E. Northwest Hwy., Des Plaines, IL                        60016
--------------------------------------                  -----------------
(Address of principal executive offices)                    (Zip Code)

Registrant's telephone number, including area code: (847) 824-1188

ITEM 7.01.        Regulation FD Disclosure
                  (The information under this Item 9 is being furnished pursuant
                  to Item 12 of Form 8-K)

ITEM 9.01.        Financial Statements, Pro Forma Financial Information and

                  99.1  Press Release, dated May 9, 2005

      On Monday, May 9, 2005, the Registrant issued a press release disclosing
financial results for the quarter ended April 2, 2005. The press release is made
part of this Form and is attached as Exhibit 99.1.

      The press release, dated May 9, 2005, made a part of the Form include
forward looking statements that are intended to be covered by the safe-harbor
provisions of the Private Securities Litigation Reform Act of 1995. These
forward looking statements include but are not limited to comments with respect
to the objectives and strategies, financial condition, results of operations and
business of the Registrant.

      These forward looking statements involve numerous assumptions, inherent
risks and uncertainties, both general and specific, and the risk that
predictions and other forward looking statements will not be achieved. The
Registrant cautions you not to place undue reliance on these forward looking
statements as a number of important factors could cause actual future results to
differ materially from the plans, objectives, expectations, estimates and
intentions expressed in such forward looking statements.



      Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.

                                            Littelfuse, Inc.

Date: May 9, 2005                       By: /s/ Philip G. Franklin
                                            Philip G. Franklin
                                            Vice President, Operations Support
                                            and Chief Financial Officer


                                  Exhibit Index

99.1  Press Release, dated May 9, 2005