Exhibit 24.1

POWER OF ATTORNEY

(Atsushi Abe)

I hereby appoint Bernard Gutmann and George H. Cave, and each of them, my attorneys-in-fact, each with full power of substitution, to sign for me as a Director of ON Semiconductor Corporation (the “Corporation”) and file with the Securities and Exchange Commission the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2020, and any amendments thereto.

Dated: February 7, 2021

/s/ ATSUSHI ABE

Atsushi Abe

POWER OF ATTORNEY

(Alan Campbell)

I hereby appoint Bernard Gutmann and George H. Cave, and each of them, my attorneys-in-fact, each with full power of substitution, to sign for me as a Director of ON Semiconductor Corporation (the “Corporation”) and file with the Securities and Exchange Commission the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2020, and any amendments thereto.

Dated: February 7, 2021

/s/ ALAN CAMPBELL

Alan Campbell

POWER OF ATTORNEY

(Susan K. Carter)

I hereby appoint Bernard Gutmann and George H. Cave, and each of them, my attorneys-in-fact, each with full power of substitution, to sign for me as a Director of ON Semiconductor Corporation (the “Corporation”) and file with the Securities and Exchange Commission the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2020, and any amendments thereto.

Dated: February 11, 2021

/s/ SUSAN K. CARTER

Susan K. Carter

POWER OF ATTORNEY

(Thomas L. Deitrich)

I hereby appoint Bernard Gutmann and George H. Cave, and each of them, my attorneys-in-fact, each with full power of substitution, to sign for me as a Director of ON Semiconductor Corporation (the “Corporation”) and file with the Securities and Exchange Commission the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2020, and any amendments thereto.

Dated: February 6, 2021

/s/ THOMAS L. DEITRICH

Thomas L. Deitrich

POWER OF ATTORNEY

(Gilles Delfassy)

I hereby appoint Bernard Gutmann and George H. Cave, and each of them, my attorneys-in-fact, each with full power of substitution, to sign for me as a Director of ON Semiconductor Corporation (the “Corporation”) and file with the Securities and Exchange Commission the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2020, and any amendments thereto.

Dated: February 7, 2021

/s/ GILLES DELFASSY

Gilles Delfassy

POWER OF ATTORNEY

(Emmanuel T. Hernandez)

I hereby appoint Bernard Gutmann and George H. Cave, and each of them, my attorneys-in-fact, each with full power of substitution, to sign for me as a Director of ON Semiconductor Corporation (the “Corporation”) and file with the Securities and Exchange Commission the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2020, and any amendments thereto.

Dated: February 10, 2021

/s/ EMMANUEL T. HERNANDEZ

Emmanuel T. Hernandez

POWER OF ATTORNEY

(Bruce E. Kiddoo)

I hereby appoint Bernard Gutmann and George H. Cave, and each of them, my attorneys-in-fact, each with full power of substitution, to sign for me as a Director of ON Semiconductor Corporation (the “Corporation”) and file with the Securities and Exchange Commission the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2020, and any amendments thereto.

Dated: February 8, 2021

/s/ BRUCE E. KIDDOO

Bruce E. Kiddoo

POWER OF ATTORNEY

(Paul A. Mascarenas)

I hereby appoint Bernard Gutmann and George H. Cave, and each of them, my attorneys-in-fact, each with full power of substitution, to sign for me as a Director of ON Semiconductor Corporation (the “Corporation”) and file with the Securities and Exchange Commission the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2020, and any amendments thereto.

Dated: February 7, 2021

/s/ PAUL A. MASCARENAS

Paul A. Mascarenas

POWER OF ATTORNEY

(Gregory L. Waters)

I hereby appoint Bernard Gutmann and George H. Cave, and each of them, my attorneys-in-fact, each with full power of substitution, to sign for me as a Director of ON Semiconductor Corporation (the “Corporation”) and file with the Securities and Exchange Commission the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2020, and any amendments thereto.

Dated: February 6, 2021

/s/ GREGORY L. WATERS

Gregory L. Waters

POWER OF ATTORNEY

(Christine Y. Yan)

I hereby appoint Bernard Gutmann and George H. Cave, and each of them, my attorneys-in-fact, each with full power of substitution, to sign for me as a Director of ON Semiconductor Corporation (the “Corporation”) and file with the Securities and Exchange Commission the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2020, and any amendments thereto.

Dated: February 6, 2021

/s/ CHRISTINE Y. YAN

Christine Y. Yan