Attached files

file filename
EX-31.2 - RULE 13A-14(A)/15D-14(A) CERTIFICATION OF PHILIP G. FRANKLIN - LITTELFUSE INC /DEex31-2.htm
EX-21.1 - SUBSIDIARIES - LITTELFUSE INC /DEex21-1.htm
EX-31.1 - RULE 13A-14(A)/15D-14(A) CERTIFICATION OF GORDON HUNTER - LITTELFUSE INC /DEex31-1.htm
EX-32.1 - SECTION 1350 CERTIFICATION - LITTELFUSE INC /DEex32-1.htm
10-K - ANNUAL REPORT - LITTELFUSE INC /DElittelfuse_10k-010111.htm
EXHIBIT 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statements (Form S-8 No. 333-166953, Form S-8 No. 333-64285, Form S-8 No. 333-134699 and Form S-8 No. 333-134700) pertaining to the Littelfuse, Inc. Long-Term Incentive Plan, the 1993 Stock Plan for Employees and Directors of Littelfuse, Inc., the Littelfuse Inc. Outside Directors’ Stock Option Plan, and the Littelfuse Inc. Equity Incentive Compensation Plan of our reports dated February 25, 2011, with respect to the consolidated financial statements and schedule of Littelfuse, Inc. and the effectiveness of internal control over financial reporting of Littelfuse, Inc., included in this Annual Report (Form 10-K) for the year ended January 1, 2011.

/s/ Ernst & Young LLP

Chicago, Illinois
February 25, 2011