SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities

Exchange Act of 1934

Date of Report (Date of earliest event reported): July 24, 2003

MICROSEMI CORPORATION

(Exact name of Registrant as specified in its charter)

Delaware	0-8866	95-2110371
(State or other jurisdiction	(Commission	(I.R.S. Employer
of incorporation)	File Number)	Identification No.)

2381 Morse Avenue, Irvine, California	92614
(Address of principal executive office)	(Zip Code)

Registrant’s telephone number, including area code (949) 221-7100

                                         Not Applicable                                             

(Former name or former address, if changed, since last report)

Item 7.    Financial Statements, Pro Forma Financial Information and Exhibits

(c)    Exhibits.

99.1 News Release dated July 24, 2003 relating to the Registrant’s earnings

Item 9.    Regulation FD Disclosure.

(This information is furnished pursuant to this Item 9 and Item 12. Results of Operations and Financial Condition)

On July 24, 2003, the Registrant is publicly issuing a News Release, which is attached hereto as Exhibit 99.1 and incorporated herein by reference, relating to the Registrant’s earnings.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

MICROSEMI CORPORATION

(Registrant)

Date: July 24, 2003 By: David R. Sonksen                    

David R. Sonksen,

Executive Vice President,

Chief Financial Officer,

Treasurer and Secretary