ON SEMICONDUCTOR CORP - FORM 10-K - EX-23.1 - CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM - February 25, 2010

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10-K - FORM 10-K - ON SEMICONDUCTOR CORPd10k.htm
EX-31.2 - CERTIFICATION BY CFO PURSUANT TO SECTION 302 - ON SEMICONDUCTOR CORPdex312.htm
EX-24.1 - POWERS OF ATTORNEY - ON SEMICONDUCTOR CORPdex241.htm
EX-31.1 - CERTIFICATION BY CEO PURSUANT TO SECTION 302 - ON SEMICONDUCTOR CORPdex311.htm
EX-32 - CERTIFICATION BY CEO AND CFO PURSUANT TO SECTION 906 - ON SEMICONDUCTOR CORPdex32.htm
EX-21.1 - LIST OF SIGNIFICANT SUBSIDIARIES - ON SEMICONDUCTOR CORPdex211.htm

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form S-3 (No. 333-141880, No. 333-132486, No. 333-117016, No. 333-114045, No. 333-111702, No. 333-86870, and No. 333-73320) and Form S-8 (No. 333-164733, No. 333-161545, No. 333-159381, No. 333-154514, No. 333-149848, No. 333-118814, No. 333-107896, No. 333-107895, No. 333-71336, No. 333-37638 and No. 333-34130) of ON Semiconductor Corporation of our report dated February 25, 2010 relating to the financial statements, the financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

 

/s/ PricewaterhouseCoopers LLP
Phoenix, Arizona
February 25, 2010

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