Do supercaps erode over time? I have collected several older ones from
telecom equipment, that are about 10 years old, can I expect they are
still usable?
I am sure they were implemented properly, so most probably never abused.

Just found one of them: TOKIN, 5.5V, 1.0F.

>
> Super Cap:
> Pros: Simple to implement and usually durable if used within specs
> Cons: potentially high inrush currents, somewhat limited storage
> capacity for cost (likely not a problem for your application's spec)
>
>
> USD $3.60, 1.5F 5.5V Supercap
> http://www.digikey.com/product-detail/en/DB-5R5D155T/604-1151-ND/3280644
> datasheet
> http://www.elna.co.jp/en/capacitor/double_layer/catalog/pdf/dbn_e.pdf
>
> --
> Jason White

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KPL
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