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 TO ACQUIRE CONCORD SEMICONDUCTOR

DES PLAINES, ILLINOIS, FEBRUARY 22, 2006.....Littelfuse, Inc. (Nasdaq/NMS/LFUS)
today announced it has signed a definitive agreement for the acquisition of
Concord Semiconductor, a leading Taiwan-based designer and manufacturer of TVS
diodes and other overvoltage circuit protection products for the automotive,
consumer electronics, computer, industrial and telecom markets. Concord
Semiconductor has annual sales of approximately $16 million and operates
facilities in Taiwan and China. Terms of the transaction were not disclosed. The
acquisition is expected to be completed in the second quarter of 2006.

         "The purchase of Concord Semiconductor is a logical extension to the
strong relationship that exists between our two companies. The acquisition
expands our presence in the growing TVS diode market and adds silicon
manufacturing expertise to our capabilities in Asia," said Gordon Hunter, Chief
Executive Officer of Littelfuse.

         "We are impressed with the dynamic team of employees at Concord
Semiconductor. Their ability to efficiently manufacture high-quality circuit
protection components and their commitment to continuous improvement complements
our existing silicon design, development and manufacturing capabilities in
Irving, Texas and Matamoros, Mexico. Our plans are to expand the Concord
Semiconductor operations as our business in Asia continues to grow and evolve,"
said Hunter.

         "We look forward to leveraging the silicon capabilities of Concord
Semiconductor and Littelfuse to further strengthen our position as the worldwide
leader in circuit protection," added Hunter.

         Concord Semiconductor designs and manufactures TVS diodes and other
overvoltage circuit protection products, which are designed to protect equipment
from high voltage/high energy transients.


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         About Littelfuse

         As the worldwide leader in circuit protection products and solutions
with annual sales of $467.1 million in 2005, 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.

         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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