Electronic device that includes a gas phase component

An electronic device comprising:

• a housing having an interior gas space;
• at least one electronic component positioned within the housing;
• an environmental control module positioned within the housing, wherein the environmental control module contains a sorbent configured to provide and maintain a desired relative humidity within the interior gas space;
• and
• a relative humidity sensor in communication with the interior gas space,
• wherein the interior gas space is maintained at a relative humidity of 0% at all operating temperatures of the electronic device, as measured by the relative humidity sensor;
• and
• wherein the interior gas space comprises a composition comprising helium of 99.9% or less expressed as a molar fraction and molecular oxygen in an amount between 0.1% and 3%.