CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-219751, No. 333-219752, No. 333-206471, No. 333-190344, No. 333-183389, No. 333-166958, No. 333-159381, No. 333-118814 and No. 333-71336) of ON Semiconductor Corporation of our report dated February 16, 2021 relating to the financial statements and financial statement schedule and the effectiveness of internal control over financial reporting, which appear in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

Phoenix, Arizona

February 16, 2021