Re: [CAD_CAM_EDM_DRO] Re: CNC power supply question

On Tue, 09 Mar 2004 09:30:57 +0000, you wrote:

>Ken -
>
>The following extract from a spec sheet chosen at random, for a range of
>"long life" screw terminal electrolytics:
>
> Shelf life 2000 h at 0V +85°C, or
> 4 years at 0V +40°C
> Operational life time 60000 h at +85°C
>
>Seems to indicate pretty clearly that the lifetime is severely shortened if
>stored at 0V.

No, I'd think more like the 85 degrees C.

1 year = 8670 hours. I think you get a good lifetime if not charged,
but better if charged (4 years is not too bad, I suspect), by that
rating, 60K hours is about 6.84 years.

Harvey

>
>Regards,
>Tony
>
>