EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS ---------------------------------- We hereby consent to the incorporation by reference in the Prospectus constituting part of the Registration Statement on Form S-3 (No. 33-62561) of Microsemi Corporation of our report dated November 25, 1997, appearing on page 17 of this Form 10-K. PRICE WATERHOUSE LLP Costa Mesa, California December 22, 1997