Figure 5 Typical application circuit. 2.6 Environmental Stability The SGP40 has been qualified based on the JEDEC JESD47 qualification test method. The Moisture Sensitivity Level classification of the SGP40 is MSL1, according to IPC/JEDEC J-STD-020. At the same time, it is recommended to further process the sensors within 1 year after date of delivery. The SGP40 should not be exposed to bright illumination by either sunlight or artificial light sources during operation. 2.7 Material Contents The device is fully RoHS, REACH, Halogen-free, and WEEE compliant, e.g., free of Pb, Cd, and Hg. www.sensirion.com Version 1.1 – September 2021 8/19