What is the soldering profile for the STM32WB35CCU6A MCU?

[VVakh.1]

The operating temperature range for the above MCU is -40 to 85 deg C (105 deg C junction). Does it mean that the maximum temperature for soldering is 105 deg C, or does it just mean that the MCU will shut down at 105 deg C? I would appreciate it if you refer to any official application note.

[TDK]

85C (105C junction) is the max operating temperature. Junction temperature is what actually matters here. Beyond that range the behavior is no longer guaranteed.

Soldering will need to be quite a bit hotter.

https://www.st.com/resource/en/application_note/an2639-soldering-recommendations-and-package-information-for-leadfree-ecopack-mcus-and-mpus-stmicroelectronics.pdf

[VVakh.1]

Thank you