QuickLinks -- Click here to rapidly navigate through this document

Exhibit 32.1

TYCO ELECTRONICS LTD.
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

        The undersigned officers of Tyco Electronics Ltd. (the "Company") hereby certify to their knowledge that the Company's quarterly report on Form 10-Q for the quarterly period ended March 27, 2009 (the "Report"), as filed with the Securities and Exchange Commission on the date hereof, fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934, as amended, and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ THOMAS J. LYNCH
Thomas J. Lynch
Chief Executive Officer
May 4, 2009

/s/ TERRENCE R. CURTIN
Terrence R. Curtin
Executive Vice President
and Chief Financial Officer
May 4, 2009

QuickLinks

Exhibit 32.1

TYCO ELECTRONICS LTD. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002