EXHIBIT 99.3

                              HCC INDUSTRIES INC.

                           OFFER FOR ALL OUTSTANDING
                   10 3/4% SENIOR SUBORDINATED NOTES DUE 2007
                                IN EXCHANGE FOR
              10 3/4% SENIOR SUBORDINATED EXCHANGE NOTES DUE 2007


To:  BROKERS, DEALERS, COMMERCIAL BANKS,
     TRUST COMPANIES AND OTHER NOMINEES:

  HCC Industries Inc. (the "Company") is offering, upon and subject to the terms
and conditions set forth in the Prospectus, dated ___  , 1997 (the
"Prospectus"), and the enclosed Letter of Transmittal (the "Letter of
Transmittal"), to exchange (the "Exchange Offer") its 10 3/4% Senior
Subordinated Exchange Notes Due 2007, which have been registered under the
Securities Act of 1933, as amended, for its outstanding 10 3/4% Senior
Subordinated Notes Due 2007 (the "Old Notes").  The Exchange Offer is being made
in order to satisfy certain obligations of the Company contained in the
Registration Rights Agreement dated May 6, 1997, by and among the Company and
the initial purchasers referred to therein.

  We are requesting that you contact your clients for whom you hold Old Notes
regarding the Exchange Offer.  For your information and for forwarding to your
clients for whom you hold Old Notes registered in your name or in the name of
your nominee, or who hold Old Notes registered in their own names, we are
enclosing the following documents:

  1.   Prospectus dated __________, 1997;

  2.   The Letter of Transmittal for your use and for the information of your
clients;

  3.   A Notice of Guaranteed Delivery to be used to accept the Exchange Offer
if certificates for Old Notes are not immediately available or time will not
permit all required documents to reach the Exchange Agent prior to the
Expiration Date (as defined below) or if the procedure for book-entry transfer
cannot be completed on a timely basis;

  4.   A form of letter which may be sent to your clients for whose account you
hold Old Notes registered in your name or the name of your nominee, with space
provided for obtaining such clients' instructions with regard to the Exchange
Offer;

  5.   Guidelines for Certification of Taxpayer Identification Number on
Substitute Form W-9; and

  6.   Return envelopes addressed to IBJ Schroder Bank & Trust Company, the
Exchange Agent for the Old Notes.

  YOUR PROMPT ACTION IS REQUESTED.  THE EXCHANGE OFFER WILL EXPIRE AT 5:00 P.M.,
NEW YORK CITY TIME, ON __________, __________, 1997, UNLESS EXTENDED BY THE
COMPANY (THE "EXPIRATION DATE").  OLD NOTES TENDERED PURSUANT TO THE EXCHANGE
OFFER MAY BE WITHDRAWN AT ANY TIME BEFORE THE EXPIRATION DATE.

  To participate in the Exchange Offer, a duly executed and properly completed
Letter of Transmittal (or facsimile thereof), with any required signature
guarantees and any other required documents, should be sent to the Exchange
Agent and certificates representing the Old Notes should be delivered to the
Exchange Agent, all in accordance with the instructions set forth in the Letter
of Transmittal and the Prospectus.

  If holders of Old Notes wish to tender, but it is impracticable for them to
forward their certificates for Old Notes prior to the expiration of the Exchange
Offer or to comply with the book-entry transfer procedures on a

 
timely basis, a tender may be effected by following the guaranteed delivery
procedures described in the Prospectus under "The Exchange Offer--Guaranteed
Delivery Procedures."

  The Company will, upon request, reimburse brokers, dealers, commercial banks
and trust companies for reasonable and necessary costs and expenses incurred by
them in forwarding the Prospectus and the related documents to the beneficial
owners of Old Notes held by them as nominee or in a fiduciary capacity.  The
Company will pay or cause to be paid all transfer taxes applicable to the
exchange of Old Notes pursuant to the Exchange Offer, except as set forth in
Instruction 6 of the Letter of Transmittal.

  Any inquiries you may have with respect to the Exchange Offer, or requests for
additional copies of the enclosed materials, should be directed to IBJ Schroder
Bank & Trust Company, the Exchange Agent for the Old Notes, at its address and
telephone number set forth on the front of the Letter of Transmittal.

                            Very truly yours,



                            HCC INDUSTRIES INC.



  NOTHING HEREIN OR IN THE ENCLOSED DOCUMENTS SHALL CONSTITUTE YOU OR ANY PERSON
AS AN AGENT OF THE COMPANY OR THE EXCHANGE AGENT, OR AUTHORIZE YOU OR ANY OTHER
PERSON TO USE ANY DOCUMENT OR MAKE ANY STATEMENTS ON BEHALF OF EITHER OF THEM
WITH RESPECT TO THE EXCHANGE OFFER, EXCEPT FOR STATEMENTS EXPRESSLY MADE IN THE
PROSPECTUS OR THE LETTER OF TRANSMITTAL.

Enclosures