18 Jun
2011
18 Jun
'11
3:13 p.m.
On 18 Jun 2011 at 16:09, Shoppa, Tim wrote:
Mains filters from the 50's and 60's likely
had
paper/wax capacitors in them. At least in the US,
there doesn't seem to have been a special rating
system for these but most cap failures were benign (not
purely luck... even though there was no special rating
they were generally made to be on the robust end.)
Don't forget disc ceramic caps used in this application as well.
There were even some 3-lead ones made with the center lead meant to
be chassis ground.
--Chuck