■Description of Change:
●Silicon Labs is pleased to announce the successful qualification of a new signal control invertor IC for WT41U modules.
●Upon PCN effective date, Silicon Labs will fulfill orders with qualified suppliers.
■Reason for Change:
●New signal control invertor IC supplier qualification to mitigate supply constraint and support Last Time Buy orders. See 2203081207 End of Life Notification for WT41U Modules.
■Impact on Form, Fit, Function, Quality, Reliability:
●No impact to Form, Fit, Function, Quality and Reliability.
■Last Date of Unchanged Product: Oct 26, 2022

Brand of Product：	Silicon Labs
Part#：	WT41U-A-AI4C 、 WT41U-A-AI5 、 WT41U-A-AI5001 、 WT41U-A-AI5001C 、 WT41U-A-AI55 、 WT41U-A-AI55C 、 WT41U-A-AI56 、 WT41U-A-AI56C 、 WT41U-A-AI56IAP 、 WT41U-A-AI56IAPC 、 WT41U-A-AI5C 、 WT41U-A-HCI21001 、 WT41U-A-HCI21001C 、 WT41U-A-*****002 、 WT41U-A-*****002C 、 WT41U-E-AI4 、 WT41U-E-AI4C 、 WT41U-E-AI5 、 WT41U-E-AI55 、 WT41U-E-AI55C 、 WT41U-E-AI56 、 WT41U-E-AI56C 、 WT41U-E-AI56IAP 、 WT41U-E-AI56IAPC 、 WT41U-E-AI5C 、 WT41U-E-HCI21001 、 WT41U-E-HCI21001C 、 WT41UE-P**** 、 WT41U-E-*****001 、 WT41U-E-*****001C 、 WT41U 、 WT41U-N-AI4 、 WT41U-N-AI4C 、 WT41U-N-AI55 、 WT41U-N-AI55C 、 WT41U-N-AI56 、 WT41U-N-AI56C 、 WT41U-N-AI56IAP 、 WT41U-N-AI56IAPC 、 WT41U-N-HCI21001 More Part#
Product Category：	modules 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：	Jul 20, 2022
Version Number：
Data Encoding：	2207201304;2022-07-20-1304
Data Size：	753 KB