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Back in the 90’s I was buying cheap PCs which had really poor warrantees. So I stress them a bit by covering them with a blanket and ran memory tests for a day or two. I had a 30 day window … as I didn’t want to deal with the manufacture… I wanted to return them to the store. Figured if they survived they’d last a while.

Very resourceful. I've also used a hot shower but shielded from the water spray.

Sounds expensive unless you like to take day long showers ... plus I'm kind of doubtful that the humidity would serve any purpose for burn-in and might even be harmful ,.. but then again it's not really my area of expertise ...

It's my area. Manly-man hardware.

ahhh, fill me in on burn-in and humidity ... I just thought it was a spec you needed to test for

The physics behind humidity testing is analogous to temperature testing. Temperature testing reveals infant mortalities related to stresses that arise from the coefficient of thermal expansion of different materials. Humidity testing reveals infant mortalities related to stresses that arise from the coefficient of moisture expansion of different materials. Humidity testing can also reveal other nasties like contamination of solder joints, pins and interconnects and the PCB itself.

Humidity testing would be a good stressor for revealing the robustness of adhesives used in drivers.

So what's a good % humidity to shoot for ....

60% RH for healthy 'nads.

Ok next time I’ll think about throwing in a humidifier …
That is if it’s 60% steady state. I could cycle it (and temp too) but I’d have setup stuff.