Per dave:

Is this an electrolytic? Polarized?

I can't find any indication of polarity.

I'm not sure what constitutes electrolytic, but when they failed a
brownish goo leaked out and solidified.

Here are a couple of pix:

http://tinyurl.com/manvbbg
http://tinyurl.com/n82vgpj


--
Pete Cresswell