LFUS - Littelfuse Inc. 2021 Q4 - Results - Earnings Call Presentation February, 02 2022 11:59 AM Littelfuse Inc. The following slide deck was published by Littelfuse, Inc. in conjunction with their 2021 Q4 earnings call. For further details see: Littelfuse, Inc. 2021 Q4 - Results - Earnings Call Presentation