Want to know shelf life of STM32F071VBT6TR MCU

[Gajanan91]

What is shelf life of STM32F071VBT6TR MCU ? How long I can store it in my warehouse before assembling it on PCB ?

[Andrew Neil]

In the Datasheet:

Searching the ST site for, "ECOPACK" finds, among others, AN2639:

Soldering recommendations and package information for Lead-free ECOPACK MCUs and MPUs

https://www.st.com/content/ccc/resource/technical/document/application_note/25/2e/9e/a6/a6/b4/41/f4/CD00173820.pdf/files/CD00173820.pdf/jcr:content/translations/en.CD00173820.pdf

The big thing is moisture absorption - see Chapter 6.