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Proc-Type: 2001,MIC-CLEAR
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<SEC-DOCUMENT>0000950135-98-003609.txt : 19980601
<SEC-HEADER>0000950135-98-003609.hdr.sgml : 19980601
ACCESSION NUMBER:		0000950135-98-003609
CONFORMED SUBMISSION TYPE:	8-A12G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		19980529
SROS:			AMEX

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALPHA INDUSTRIES INC
		CENTRAL INDEX KEY:			0000004127
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				042302115
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		8-A12G
		SEC ACT:		
		SEC FILE NUMBER:	000-24357
		FILM NUMBER:		98634349

	BUSINESS ADDRESS:	
		STREET 1:		20 SYLVAN RD
		CITY:			WOBURN
		STATE:			MA
		ZIP:			01801
		BUSINESS PHONE:		6179355150

	MAIL ADDRESS:	
		STREET 1:		20 SYLVAN RD
		STREET 2:		20 SYLVAN RD
		CITY:			WOBURN
		STATE:			MA
		ZIP:			01801
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-A12G
<SEQUENCE>1
<DESCRIPTION>ALPHA INDUSTRIES, INC.
<TEXT>

<PAGE>   1
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-A

                For Registration of Certain Classes of Securities
                    Pursuant to Section 12(b) or 12(g) of the
                         Securities Exchange Act of 1934

                             ALPHA INDUSTRIES, INC.
             ------------------------------------------------------
             (Exact Name of Registrant as Specified in its Charter)

              DELAWARE                                  04-2302115
- ----------------------------------------    ------------------------------------
(State of Incorporation or Organization)    (I.R.S. Employer Identification No.)


                        20 SYLVAN ROAD, WOBURN, MA 01801
- --------------------------------------------------------------------------------
               (Address of principal executive offices) (Zip Code)

Securities to be registered pursuant to Section 12(b) of the Act:

Title of Each Class                             Name of Each Exchange on Which
to be so Registered                             Each Class is to be Registered
- -------------------                             ------------------------------
         None                                              None

If this form relates to the registration of a class of securities pursuant to
Section 12(b) of the Exchange Act and is effective pursuant to General
Instruction A.(c), check the following box. |_|

If this form relates to the registration of a class of securities pursuant to
Section 12(g) of the Exchange Act and is effective pursuant to General
Instruction A.(d)(1), check the following box. |X|

Securities to be registered pursuant to Section 12(g) of the Act:

                          Common Stock, $.25 par value
- --------------------------------------------------------------------------------
                                (Title of class)




<PAGE>   2

ITEM 1.  DESCRIPTION OF REGISTRANT'S SECURITIES TO BE REGISTERED.

     Reference is made to the Registrant's Registration Statement on Form S-3
(Registration No. 33-63857), filed with the Securites and Exchange Commission
under the Securities Act of 1933, as amended. The description of the Common
Stock required by Item 202 of Regulation S-K, which is contained under the
caption "Description of Capital Stock and Other Matters" in the Company's
prospectus forming part of the Company's Registration Statement on Form S-3
(Registration No. 33-63857), is incorporated herein by reference.

ITEM 2.  EXHIBITS.

1.*  Specimen Certificate of Common Stock (Filed as Exhibit 4(a) to the
     Registration Statement on Form S-3 (Registration No. 33-63857)).

2.*  Restated Certificate of Incorporation (Filed as Exhibit 3(a) to the
     Registration Statement on Form S-3 (Registration No. 33-63857)).

3.*  Amended and Restated By-Laws of the Registrant dated April 30, 1992 (Filed
     as Exhibit 3(b) to the Registrant's Annual Report on Form 10-Q for the year
     ended March 29, 1992).

*    Not filed herewith. In accordance with Rule 12b-32 promulgated pursuant to 
the Securities Exchange Act of 1934, as amended, reference is made to the
documents previously filed with the Commission, which are incorporated by
reference herein.

                                    SIGNATURE
                                    ---------

     Pursuant to the requirements of Section 12 of the Securities Exchange Act
of 1934, the Registrant has duly caused this Registration Statement to be signed
on its behalf by the undersigned, thereto duly authorized.

(Registrant)          ALPHA INDUSTRIES, INC.
                      ----------------------

(Date)                May 29, 1998
                      ------------

(By)                  /s/ Thomas C. Leonard
                      --------------------------------------------------------
                      Thomas C. Leonard, President and Chief Executive Officer


</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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