Company:  POWER ONE INC
Form Type:  10-Q
Filing Date:  7/30/2012 
CIK:  0001042825 
Address:  740 CALLE PLANO 
City, State, Zip:  CAMARILLO, California 93012 
Telephone:  (805) 987-8741 
Fiscal Year:  12/30 
Description of Business
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  FORM 10-Q
    PART I-FINANCIAL INFORMATION
      Item 1-Consolidated Condensed Financial Statements
        BALANCE SHEET
        INCOME STATEMENT
        CASH FLOW
        NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS
      Item 2-Management's Discussion and Analysis of Financial ...
      Item 3-Quantitative and Qualitative Disclosures about Market ...
      Item 4-Controls and Procedures
    PART II-OTHER INFORMATION
      Item 1-Legal Proceedings
      Item 1A-Risk Factors
      Item 2-Unregistered Sales of Equity Securities and Use of ...
      Item 5-Submission of Matters to a Vote of Security Holders
      Item 6-Exhibits
    SIGNATURES
  EXHIBIT 10.1
  EXHIBIT 31.1
    CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER PURSUANT TO
  EXHIBIT 31.2
    CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER PURSUANT TO
  EXHIBIT 32.1
    CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER AND
BROKERAGE PARTNERS