Hi Paride, Thanks for this. I hope you’re right on this as I have a board in this state, but given the nature of the problem you may also be declaring victory too soon here. :)
On Feb 15, 2018, 3:07 PM -0500, Paride Legovini <p...@ninthfloor.org>, wrote: > On 2018-02-15 19:56, William Ahern wrote: > > On Thu, Feb 15, 2018 at 12:27:24PM +0100, Paride Legovini wrote: > > > On 2018-02-15 12:07, Peter J. Holzer wrote: > > > > > > > > > > Note the very long working life (7000 hours, quite long for this type > > > > > of > > > > > component). > > > > > > > > Is 7000 hours really quite long? A device like the Soekris is supposed > > > > to run 24x7 - and at 24 hours a day 7000 hours are less than 10 months. > > > > > > It's 7000 hours while operating at 105℃ and 35V, under normal operating > > > conditions I expect it to be several times more. But see Attila's > > > interesting reply, I'm not really an electronic engineer. > > > > I don't think Attila replied to the list. > > You are right. He basically says that when operated beyond their > specifications, especially with a ripple current that is too high, they > can fail rather quickly. This could have been the case of the Soekris board. > > Paride > _______________________________________________ > Soekris-tech mailing list > Soekris-tech@lists.soekris.com > http://lists.soekris.com/mailman/listinfo/soekris-tech
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