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Reply to "Electronic pcb boards and parts in general. Whats there shelf life?"

With certain exceptions, the shelf life of electronic components will likely exceed your shelf life! 

Over half of all the PS/2 boards I've seen that have failed had one particular cap brand that was obviously in distress, it's the WINCAP brand.  Whenever I see one of those on a 5V PS/2 board, I replace it with a quality capacitor.

Well, I take some real comfort from the first point (!) and the second one is news to me but I can see what its effect is.

GRJ also mentions oxidation/deterioration of contacts and I've seen that with volume pots and sound chips on TMCC boards after no more than a couple of years' storage (in temperature but not humidity controlled conditions). Fortunately, while replacement/alternative parts have been available, I have not had anything reduced to shelf queen status.

OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
330-757-3020

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