Exhibit 24 POWER OF ATTORNEY (Ross Jatou) 	I hereby appoint Pamela L. Tondreau, Lauren C. Bellerjeau, and Thad Trent, and each of them, attorney-in-fact for me, each with full power of substitution, to prepare, execute, and deliver on my behalf reports required to be filed by me pursuant to Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), and Rule 144 and Rule 145 under the Securities Act of 1933, as amended (singly or collectively, "Rule 144"), and any and all related documents and instruments. Among other things, each attorney-in-fact is authorized to file original reports (either electronically or otherwise), signed by me or on my behalf, on Forms 3, 4, and 5, and Form 144 with the Securities and Exchange Commission, any and all related documents and instruments, and to provide any necessary copies of such signed forms, documents, and instruments to The NASDAQ Stock Market and ON Semiconductor Corporation as required by the rules under Section 16 and Rule 144 as in effect from time to time. 	This power of attorney is effective from the date hereof and shall remain in effect until revoked or terminated. Dated: October 20, 2021 /s/ ROSS JATOU Ross Jatou