●Description of Change
■Silicon Labs is pleased to announce the successful qualification of new supplier on level-shifter part from Nexperia and voltage regulator part from ST for BT121 & BT122 Modules.
■Upon PCN effective date, Silicon Labs will fulfil orders with qualified suppliers.
●Reason for Change
■New suppliers qualification for level-shifter and voltage regulator parts to mitigate supply constraint
●Impact on Form, Fit, Function, Quality, Reliability
■No impact on Form, Fit, Function, Quality, Reliability

Brand of Product：	Silicon Labs
Part#：	BT121 、 BT122 、 BT121-A-*****001 、 BT121-A-V2 、 BT121-A-V2-IAP 、 BT121-A-V2-IAPC 、 BT121-A-V2-PT0 、 BT121-A-V2C 、 BT121A-V2-P**** 、 BT122-A-V2 、 BT122-A-V2R More Part#
Product Category：	Module 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：	Mar 08, 2022
Version Number：
Data Encoding：	2022-03-08-1213;2203081213
Data Size：	703 KB