8-K

                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             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) - February 3, 2006


                                LITTELFUSE, INC.
             (Exact name of registrant as specified in its charter)

          DELAWARE                       0-20388                36-3795742
(State or other jurisdiction           (Commission            (IRS Employer
      of incorporation)                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

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[ ]  Written communications pursuant to Rule 425 under the Securities Act
     (17 CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act
     (17 CFR 240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))





ITEM  8.01        OTHER EVENTS

                  On February 3, 2006, the Company announced the acquisition of
                  SurgX Corporation furnished as Exhibit 99.1 to this current
                  report on Form 8-K.

ITEM  9.01        FINANCIAL STATEMENTS AND EXHIBITS

Exhibit 99.1      Press Release dated February 3, 2006.


                                    SIGNATURE

         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:  February 3, 2006                      By: /s/ Philip G. Franklin
                                                 -------------------------------
                                             Philip G. Franklin
                                             Vice President, Operations
                                             Support and Chief Financial Officer


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                                  EXHIBIT INDEX

99.1     Press release.

EX-99.1

                                                                    EXHIBIT 99.1

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[LITTELFUSE LOGO]                              N E W S
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                               Littelfuse, Inc.
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NEWS RELEASE                   800 East Northwest Highway  Des Plaines, IL 60016
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                               (847) 824-1188  o  (847) 391-0894 - FAX #
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CONTACT: PHIL FRANKLIN,
VICE PRESIDENT, OPERATIONS SUPPORT & CFO   (847) 391-0566


                      LITTELFUSE ACQUIRES SURGX CORPORATION

DES PLAINES, ILLINOIS, FEBRUARY 3, 2006 - Littelfuse, Inc. (Nasdaq/NMS: LFUS)
today announced that it has acquired SurgX Corporation, of San Jose, California,
for $2.5 million in cash. SurgX Corporation licenses the SurgX(R) brand of
proprietary surge protection technology for over-voltage circuit protection.
Littelfuse will incorporate the SurgX(R) technology into its circuit protection
product portfolio and will receive future royalties on SurgX's existing license
agreements.

         The acquisition expands Littelfuse's offerings for the electronic
market with complementary polymer technology used in electrostatic discharge
(ESD) protection devices. Littelfuse PulseGuard(R) polymer ESD devices are used
in high-definition TVs, computers, cell phones and many other electronic
applications that move large amounts of data at high speeds.

         "The addition of the SurgX(R) technology further solidifies our
position as the market leader in polymer ESD circuit protection and will further
enhance the value we bring to our customers," said Gordon Hunter, Chief
Executive Officer of Littelfuse.

         About Littelfuse

         As the worldwide leader in circuit protection products and solutions
with annual sales of $500.2 million in 2004, the Littelfuse portfolio is backed
by industry leading technical support, design and manufacturing expertise.
Littelfuse products are vital components in virtually every product that uses
electrical energy, including automobiles, computers, consumer electronics,
handheld devices, industrial equipment, and telecom/datacom circuits. Littelfuse
offers Teccor(R), Wickmann(R) and Pudenz(R) brand circuit protection products.
In addition to its Des Plaines, Illinois, world headquarters, Littelfuse has
sales, distribution, manufacturing and engineering facilities in Brazil, China,
England, Germany, Hong Kong, India, Ireland, Japan, Korea, Mexico, the
Netherlands, the Philippines, Singapore, Taiwan and the U.S.



                                     -more-




Page 2

         For more information, please visit Littelfuse's web site at
www.littelfuse.com.

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"Safe Harbor" Statement under the Private Securities Litigation Reform Act of
1995.
Any forward looking statements contained herein involve risks and uncertainties,
including, but not limited to, product demand and market acceptance risks, the
effect of economic conditions, the impact of competitive products and pricing,
product development and patent protection, commercialization and technological
difficulties, capacity and supply constraints or difficulties, exchange rate
fluctuations, actual purchases under agreements, the effect of the company's
accounting policies, labor disputes, restructuring costs in excess of
expectations and other risks which may be detailed in the company's Securities
and Exchange Commission filings.
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