On 09/27/2015 11:03 AM, Noel Chiappa wrote:
Hey, everyone: those little glass capacitors (well, the casing is glass - I'm not sure what's inside) that one often sees used as per-chip noise/spike supression caps (often 0.01 uF or some such size) on 1970s/1980s vintage boards: are those things polarized, or can I put them in either way around?
Are you certain that the encapsulation is glass and not resin? I've got a tub full of those paper-and-oil caps encapsulated in clear (like water) resin, ranging in value from 100 pf to about 2.2 uF.
I know that some old Sprague "Vitamin Q" steel-jacketed caps were sealed with what looks like glass, but again, I suspect that it's just resin. (BTW, when those things go, it's explosive with the added shrapnel of the jacket. Nasty).
--Chuck
