1

                         NOTICE OF GUARANTEED DELIVERY

                      FOR TENDER OF SHARES OF COMMON STOCK

                                       OF

                             SILICONIX INCORPORATED

                                       TO

             VISHAY TEMIC SEMICONDUCTOR ACQUISITION HOLDINGS CORP.,

                          A WHOLLY-OWNED SUBSIDIARY OF
                          VISHAY INTERTECHNOLOGY, INC.

                                IN EXCHANGE FOR
                         1.5 SHARES OF COMMON STOCK OF
                          VISHAY INTERTECHNOLOGY, INC.
                   (NOT TO BE USED FOR SIGNATURE GUARANTEES)


     As set forth under "The Offer -- Guaranteed Delivery" in the Prospectus,
dated June 1, 2001 (the "Prospectus"), this Notice of Guaranteed Delivery, or a
form substantially equivalent hereto, must be used to accept the Offer (as
defined herein) if certificates representing shares of common stock, par value
$0.01 per share (the "Siliconix Shares"), of Siliconix incorporated, a Delaware
corporation, are not immediately available, if the procedure for book-entry
transfer cannot be completed prior to the expiration date (as described in the
Prospectus) or if time will not permit all required documents to reach American
Stock Transfer & Trust Company (the "Exchange Agent") prior to the expiration
date. This form may be delivered by hand, transmitted by facsimile transmission
or mailed to the Exchange Agent as described in the Prospectus.


                      The Exchange Agent for the Offer is:

                    AMERICAN STOCK TRANSFER & TRUST COMPANY

                                                                
             By Mail:                    By Overnight Delivery:               By Hand Delivery:
    Reorganization Department          Reorganization Department          Reorganization Department
          59 Maiden Lane                     59 Maiden Lane                     59 Maiden Lane
        New York, NY 10038                 New York, NY 10038                 New York, NY 10038



            Facsimile Transmission (for eligible institutions only):

                                 (718) 234-5001

                Confirm Receipt of Facsimile by Telephone Only:


                                 (718) 921-8200


     DELIVERY OF THIS NOTICE OF GUARANTEED DELIVERY TO AN ADDRESS OTHER THAN AS
SET FORTH ABOVE OR TRANSMISSION OF INSTRUCTIONS VIA FACSIMILE TO A NUMBER OTHER
THAN AS SET FORTH ABOVE WILL NOT CONSTITUTE A VALID DELIVERY.

     THIS FORM IS NOT TO BE USED TO GUARANTEE SIGNATURES. IF A SIGNATURE ON A
LETTER OF TRANSMITTAL IS REQUIRED TO BE GUARANTEED BY AN "ELIGIBLE INSTITUTION"
UNDER THE INSTRUCTIONS THERETO, SUCH SIGNATURE GUARANTEE MUST APPEAR IN THE
APPLICABLE SPACE PROVIDED IN THE SIGNATURE BOX ON THE LETTER OF TRANSMITTAL.
   2

Ladies and Gentlemen:

     The undersigned hereby tenders to Vishay TEMIC Semiconductor Acquisition
Holdings Corp., a Delaware corporation and a wholly-owned subsidiary of Vishay
Intertechnology, Inc., a Delaware corporation, upon the terms and subject to the
conditions set forth in the Prospectus and the related Letter of Transmittal,
receipt of which is hereby acknowledged, the number of Siliconix Shares set
forth below, pursuant to the guaranteed delivery procedures set forth in the
Prospectus.

Dated:
------------------------------------

Signature(s) of Record Holder(s)
or Authorized Signatory:
--------------------------------------------------------------------------------

Name(s) of Record Holder(s):
--------------------------------------------------------------------------------

Address(es):
--------------------------------------------------------------------------------

Area Code and Telephone Number(s):
-----------------------------------------------------------------------------

Certificate Numbers (If Available):
--------------------------------------------------------------------------------

Number of Shares Tendered:
--------------------------------------------------------------------------------

Account Number(s):
--------------------------------------------------------------------------------

If Siliconix Shares will be tendered by book-entry transfer, please provide the
following information:

Name of Tendering Institution
--------------------------------------------------------------------------------

Depository Account Number
--------------------------------------------------------------------------------

Transaction Code Number
--------------------------------------------------------------------------------

                                        2
   3

                     THE GUARANTEE BELOW MUST BE COMPLETED


                   (NOT TO BE USED FOR SIGNATURE GUARANTEES)



     The undersigned, a financial institution that is a member in good standing
of a recognized Medallion Program approved by the Securities Transfer
Association, Inc., including the Securities Transfer Agent's Medallion Program
(STAMP), the Stock Exchange Medallion Program (SEMP) and the New York Stock
Exchange Medallion Signature Program (MSP) or any other "eligible guarantor
institution" (as defined in Rule 17Ad-15 under the Securities Exchange Act of
1934, as amended) (each of the foregoing, an "Eligible Institution"), guarantees
to deliver to the Exchange Agent, at one of its addresses set forth above,
certificates representing the Siliconix Shares tendered hereby, in proper form
for transfer, or confirmation of book-entry transfer of such Siliconix Shares
into the Exchange Agent's account at The Depository Trust Company, in each case
with delivery of a properly completed and duly executed Letter of Transmittal
(or a properly completed and manually signed facsimile thereof), with any
required signature guarantees, or an "agent's message" (as defined in the
Prospectus) in the case of book-entry transfer, and any other documents required
by the Letter of Transmittal, within three (3) Nasdaq National Market trading
days of the date hereof.



     The Eligible Institution that completes this form must communicate the
guarantee to the Exchange Agent and must deliver the Letter of Transmittal and
certificates for Siliconix Shares to the Exchange Agent (or a confirmation of a
book-entry transfer with respect to the tendered Siliconix Shares) within the
time period shown herein. Failure to do so could result in a financial loss to
such Eligible Institution.


Name of Firm:
----------------------------------------

Address:
-----------------------------------------------

---------------------------------------------------------

Area Code and
Telephone Number:
-----------------------------------
Authorized Signature:
---------------------------------

Title:
--------------------------------------------------

Name:
-------------------------------------------------
                             (PLEASE PRINT OR TYPE)

Dated:
-------------------------------------------------

NOTE: DO NOT SEND CERTIFICATES FOR SILICONIX SHARES WITH THIS NOTICE OF
      GUARANTEED DELIVERY. CERTIFICATES SHOULD BE SENT WITH YOUR LETTER OF
      TRANSMITTAL.

                                        3