 CHICAGO--BUSINESS WIRE--- LFUS--Littelfuse, Inc. NASDAQ: LFUS, an industrial technology manufacturing company empowering a sustainable, connected, and safer world, today reported financial results for the second quarter ended June 26, 2021: Net sales of 523.5 million driven by strong demand across a number of electronics, automotive and industrial end markets, and operational execution GAAP operating margin was 18.4; adjusted operating margin was 19.5 GAAP diluted EPS of 3.30 and adjusted dilut 