Siliconix First Quarter 2005 Results to Be Discussed During Vishay Conference Call

Siliconix First Quarter 2005 Results to Be Discussed During
Vishay Conference Call 


SANTA CLARA, Calif., April 21  /PRNewswire-FirstCall/ -- Siliconix incorporated
(NASDAQ:SILI), an 80.4% owned subsidiary of Vishay Intertechnology, Inc.
(NYSE:VSH), will release results for the first quarter ending April 2, 2005
before the market opens on May 3, 2005.

These results will be discussed during the Vishay Intertechnology, Inc.
conference call scheduled for Tuesday, May 3, 2005 at 11:00 AM (EDT).  The
dial-in number for the conference call is 800-230-1766 (612-332-0636 if calling
from outside the United States or Canada). The conference operator will require
the following information in order to admit you into the call:

   Company Name:      Vishay Intertechnology, Inc.
   Moderators:        Vishay Executives



There will be a replay of the conference call from 2:30 PM (EDT) on Tuesday,
May 3, 2005 through 11:59 PM (EDT) on Sunday, May 8, 2005.  The telephone
number for the replay is 800-475-6701 (320-365-3844 if calling from outside the
United States or Canada).  The access code is 779818.

There will also be a live audio webcast of the conference call.  This can be
accessed directly from the Investor Relations section for Siliconix at
http://ir.siliconix.com/.

Siliconix is a leading manufacturer of power MOSFETs, power ICs, analog
switches and multiplexers for computers, cell phones, fixed communications
networks, automobiles, and other consumer and industrial electronic systems.
With 2004 worldwide sales of $466.1 million, the company's facilities include a
company-owned Class 1 wafer fab dedicated to the manufacture of power products
in Santa Clara, Calif., and a Class 1 wafer fab located in Itzehoe, Germany,
utilized under a lease arrangement. The company's products are also fabricated
by subcontractors in Japan, Germany, China, Taiwan and the United States.
Assembly and test facilities include a company-owned facility in Taiwan, a
joint venture in Shanghai, China, and subcontractors in the Philippines, China,
Taiwan and Israel.

Vishay Intertechnology, Inc., a Fortune 1,000 Company listed on the NYSE (VSH),
is one of the world's largest manufacturers of discrete semiconductors (diodes,
rectifiers, transistors, and optoelectronics) and selected ICs, and passive
electronic components (resistors, capacitors, inductors, and transducers).
Vishay's components can be found in products manufactured in a very broad range
of industries worldwide. Vishay is headquartered in Malvern, Pennsylvania, and
has operations in 17 countries employing over 25,000 people. Vishay can be
found on the Internet at http://www.vishay.com/.

   Contact:  Peter G. Henrici, Vice President
             Investor Relations, Siliconix incorporated
             408-567-8400


DATASOURCE: Siliconix incorporated



CONTACT:  Peter G. Henrici, Vice President, Investor Relations, Siliconix

incorporated, [phone]



Web site:  http://www.vishay.com/ 

Web site:  http://ir.siliconix.com/

http://www.siliconix.com/ 

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