QuickLinks -- Click here to rapidly navigate through this document

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

        We consent to the reference to our firm under the caption "Experts" in the Registration Statement (Form S-4 No. 333-) and related Prospectus of Vishay Intertechnology, Inc. for the registration of 16,962,216 shares of its common stock and to the incorporation by reference therein of our reports dated March 14, 2005, with respect to the consolidated financial statements of Vishay Intertechnology, Inc., Vishay Intertechnology, Inc. management's assessment of the effectiveness of internal control over financial reporting, and the effectiveness of internal control over financial reporting of Vishay Intertechnology, Inc., included in its Annual Report (Form 10-K) for the year ended December 31, 2004, filed with the Securities and Exchange Commission.

/s/ ERNST & YOUNG LLP

Philadelphia, Pennsylvania
April 11, 2005

QuickLinks

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm