Symbol 6093 from IEC 60417 - Title/Meaning: Moisture sensitive devices Function/description: To indicate packages containing moisture sensitive devices, or to identify a device or a connector that has not been tested for immunity to moisture.
Additional information: 
See also IEC 60417-5134: Electrostatic sensitive devices.;To be used in IEC 61760-4.
Own work using: iso.org/obp/graphics/grs/97b7a44c-06af-46e6-9a32-32b1806b271e 200.png
Vectorization:  Mrmw