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EXHIBIT 23.1
INDEPENDENT AUDITORS' CONSENT
We consent to the incorporation by reference in this Registration Statement of
Power-One, Inc. on Form S-3 of our report dated February 18, 2000, except for
Note 16, as to which the date is March 31, 2000, appearing in the Annual Report
on Form 10-K of Power-One, Inc. for the year ended December 31, 1999 and of our
report dated March 17, 2000, except for Note 16, as to which the date is March
31, 2000, appearing in the Supplemental Consolidated Financial Statements on
Form 8-K of Power-One, Inc. for the year ended December 31, 1999 and to the
reference to us under the heading "Experts" in the Prospectus, which is part of
this Registration Statement.
Deloitte & Touche LLP
Los Angeles, California
October 17, 2000
