22 Sep
2014
22 Sep
'14
5:08 a.m.
On Mon, 22 Sep 2014, Robert Jarratt wrote:
Thanks. I had no idea that tantalum capacitors had
polarity though, I
thought that was only electrolytics. The board has "+" markings for
electrolytics, but none for the tantalum ones. Are you sure they have
polarity?
Tantalum capacitors are always polarity sensitive due to their
construction. If the board isn't marked, I doubt the parts are tantalum
because a reverse polarity tantalum will burn up (literally, they catch
fire) in short order. It is quite likely the parts on the board are
actually dipped ceramics, but a photo would probably confirm this.