At 11:03 AM 5/1/99 +0100, you wrote:
>Following a topic here a while back, I have several 1 and 10u tantalum
>capicitors on boards where the PIC switches a couple of relays. The 5v
>relays are switching 12v,and a cap on the 12volt line has just fried. It was
>rated at 16 volts.

How fast does the 12 volts come on? Tantalum caps don't like fast rising
voltages. You can use a higher voltage tantalum capacitor to get within
spec(yes there are specs on tantalum caps regarding this exact
problem^H^H^H feature).

:-) Bob