Jon Elson <el...@pico-systems.com> writes:

>One other place the military screwed up, is Tantalum
>capacitors. These have the
>bad characteristic that they can be VERY reliable if used
>CONSTANTLY.  That means
>either on all the time, or used every few days.  But, make
>something with
>tantalum caps, test it rigorously, and then put it in a
>supply depot for a couple
>years, and you will almost CERTAINLY find the caps short out
>and blow (as
>in fire and smoke) when you then put it into use.
 
Does that mean that unused tantalum capacitors have a limited 
shelf life?

Also, Wikipedia says that some of them used to have a liquid
electrolyte, does that affect the shelf life?


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