AR# 1890

Package - Where can I find moisture sensitivity information?


Keywords: data book, PSMC, Jedec, J-STD-020, MSL, levels, databook

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 the Device Package User Guide (UG112):


Package Specific Information

Moisture sensitivity levels for each package is provided in the Device Package User Guide, available at:

To access this guide, select "Other Products" under "User Guides" in the left-hand section of the Web page.
AR# 1890
Date 07/26/2007
Status Active
Type General Article