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                                                                    Exhibit 23.3

                          Consent of Ernst & Young LLP

We consent to the reference to our firm under the captions "Experts" and to the
use of our report dated August 22, 1997, with respect to the consolidated
financial statements of Continental Circuits Corp. included in the Registration
Statement (Form S-4) and related Prospectus of Hadco Corporation for the
registration of $200,000,000 of Senior Subordinated Notes due 2008.


                                             /s/ ERNST & YOUNG LLP

Phoenix, Arizona
September 4, 1998