Exhibit 32.1
Certification
Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
(Subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)
Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), each of the undersigned officers of ON Semiconductor Corporation, a Delaware corporation (“Company”), does hereby certify, to such officer’s knowledge, that:
The Quarterly Report on Form 10-Q for the fiscal quarter ended October 1, 2010 (“Form 10-Q”) of the Company fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and information contained in the Form10-Q fairly presents, in all material respects, the financial condition and results of operations of the Company.
Dated: November 4, 2010 | /s/ KEITH D. JACKSON | |||||
| Keith D. Jackson | ||||||
| President and Chief Executive Officer | ||||||
Dated: November 4, 2010 | /s/ DONALD A. COLVIN | |||||
| Donald A. Colvin | ||||||
| Executive Vice President and | ||||||
| Chief Financial Officer | ||||||
