Obsolescence of LA Series, Semiconductor Fuses (LFPCN_PG0159)

PublishTime：2023-04-21

●To: Littelfuse Sales, Sales Support & Valued Customers
●From: Littelfuse Product Management – Industrial Business Unit
●Subject: Obsolescence of LA Series, Semiconductor Fuses
●Document Number: LFPCN_PG0159
●Date: 19th April 2023
●This letter is to inform Littelfuse Sales, Sales Support & Customers of the obsolescence of 31-part numbers from our LA Series High Speed Semiconductor fuse offering, which are buy/resell Mersen branded fuses. Obsolescence is due to the availability of replacement Littelfuse brand PSR series fuses. This change will be effective immediately. Orders will be accepted for parts numbers that have inventory. Once inventory has been exhausted no new orders will be permitted.

Brand of Product：	Littelfuse
Part#：	LA Series 、 PSR series 、 PSR 、 LA055URD32LI1400 、 LA055URD32TTI1400 、 LA055URD33LI2250 、 LA055URD33TTI2250 、 LA060URD32LI1250 、 LA060URD32TTI1250 、 LA070URD33KI0700 、 LA090URD73LI1400 、 LA090URD73TTI1400 、 LA100URD73LI1000 、 LA100URD73LI1100 、 LA100URD73LI1250 、 LA100URD73TTI0900 、 LA100URD73TTI1000 、 LA100URD73TTI1100 、 LA100URD73TTI1250 、 LA110URD71LLI0630 、 LA110URD72LI0700 、 LA110URD72LI0800 、 LA110URD73LI0900 、 LA120URD70LI0350 、 LA120URD70TTI0350 、 LA120URD71LLI0500 、 LA120URD71LLI0550 、 LA120URD71TTI0500 、 LA120URD71TTI0550 、 LA120URD71TTI0630 、 LA120URD72TTI0700 、 LA120URD72TTI0800 、 LA120URD73LI0800 、 LA130URD73TTI0800 、 PSR032UL1400X 、 PSR032FS1400Z 、 PSR033UL2250X 、 PSR033FS2250Z 、 PSR032UL1250X 、 PSR032FS1250Z 、 PSR033US0700X 、 PSR073UL1400X 、 PSR073FS1400Z 、 PSR073UL1000X 、 PSR073UL1100X 、 PSR073UL1250X 、 PSR073FS0900Z 、 PSR073FS1000Z 、 PSR073FS1100Z 、 PSR073FS1250Z 、 PSR071UL0630Z 、 PSR072UL0700X 、 PSR072UL0800X 、 PSR073UL0900X 、 PSR070UL0350Z 、 PSR070FS0350Z 、 PSR071UL0500Z 、 PSR071UL0550Z 、 PSR071FS0500Z 、 PSR071FS0630Z 、 PSR072FS0700Z 、 PSR072FS0800Z 、 PSR073UL0800X 、 PSR073FS0800Z More Part#
Product Category：	Semiconductor Fuses 、 High Speed Semiconductor fuse 、 fuses More
Application：	More
Data Type：	PCN/EOL More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	19th April 2023
Version Number：
Data Encoding：	LFPCN_PG0159
Data Size：	284 KB

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