Exhibit 23.3

CONSENT OF INDEPENDENT AUDITORS

We consent to the incorporation by reference in the following Registration Statements:

(1) Registration Statement (Form S-8 No. 333-123308)

(2) Registration Statement (Form S-8 No. 33-96226)

(3) Registration Statement (Form S-8 No. 333-67849)

(4) Registration Statement (Form S-8 No. 333-176317)

(5) Registration Statement (Form S-8 No. 333-197782)

of our report dated June 1, 2017 with respect to the consolidated financial statements of Tokin Corporation and subsidiaries included in this Annual Report (Form 10-K) of KEMET Corporation and subsidiaries for the year ended March 31, 2017, filed with the Securities and Exchange Commission.

/S/ Ernst & Young ShinNihon LLC

Tokyo, Japan

June 1, 2017