LITTELFUSE INC /DE — Director's Dealing 2010

Feb 18, 2010

SEC Form 4/A — Form 4/A

Issuer: LITTELFUSE INC /DE (LFUS)
CIK: 0000889331
Period of Report: 2010-02-17

Reporting Person: FERBERT H DALSEN (V.P. & G.M. Electrical Div.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-02-16	Common Stock	A	694	$23.00	Acquired	18831	Direct
2010-02-16	Common Stock	D	560	$35.91	Disposed	18271	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-02-16	Stock Option (Right to Buy)	$23.00	D	694	Disposed	2010-04-25	Common Stock (694)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (Right to Buy)	$23.00	2011-04-25	Common Stock (800)	800	Direct
Stock Option (Right to Buy)	$23.00	2012-04-25	Common Stock (800)	800	Direct
Stock Option (Right to Buy)	$16.50	2010-05-05	Common Stock (800)	800	Direct
Stock Option (Right to Buy)	$19.00	2011-04-26	Common Stock (1600)	1600	Direct
Stock Option (Right to Buy)	$25.25	2013-05-01	Common Stock (3200)	3200	Direct
Stock Option (Right to Buy)	$20.125	2014-04-30	Common Stock (4000)	4000	Direct
Stock Option (Right to Buy)	$35.50	2015-04-28	Common Stock (8000)	8000	Direct
Stock Option (Right to Buy)	$27.10	2016-04-27	Common Stock (10000)	10000	Direct
Stock Option (Right to Buy)	$25.20	2017-04-26	Common Stock (15000)	15000	Direct
Stock Option (Right to Buy)	$20.24	2013-05-02	Common Stock (15000)	15000	Direct
Stock Option (Right to Buy)	$38.11	2014-04-30	Common Stock (15000)	15000	Direct
Stock Option (Right to Buy)	$27.21	2015-05-06	Common Stock (15000)	15000	Direct
Stock Option(Right to Buy)	$34.33	2013-05-05	Common Stock (15000)	15000	Direct
Stock Option (Right to Buy)	$41.22	2014-04-27	Common Stock (15000)	15000	Direct
Stock Option (Right to Buy)	$36.33	2015-04-25	Common Stock (8800)	8800	Direct
Stock Option (Right to Buy)	$13.88	2016-04-24	Common Stock (22200)	22200	Direct