Where can I find moisture sensitivity information in general, and for a specific device?
Information on Moisture Sensitivity Level (MSL) (as specified by JEDEC J-STD-020)
MSL is a number between 1 and 7. Packages with a Level 1 MSL rating are the least sensitive to moisture, and packages with larger numbers are relatively more sensitive to moisture.
To determine factory floor life and soak requirements, and for more information on moisture sensitivity, refer to Chapter 6 of (UG112) the Device Package User Guide:
Package Specific Information
Moisture sensitivity levels for each package are provided in the Device Package User Guide, available at:
For newer packages please refer to the relevant Packaging specification, for example:
You can browse all documentation on on the support site here: