On 12/06/2016 19:49, "tony duell" <ard at p850ug1.demon.co.uk> wrote:
Explode? Those are ceramics caps, right? Are
these the line inlet
The ones I have seen are metalised paper and do have a deserved
reputation for being antisocial. They split open and emit clouds of
evil-smelling magic smoke.
Yep. Famous here in the UK for being used in every single Acorn BBC Micro
PSU (also ASTEC) plus a lot of monitors and TVs of that era. Classrooms all
over the land with that oh-so-familiar smell. Also my kitchen on Monday
night.
filter caps,
or later on? For line inlet, you need line rated caps, which
have quite high voltage ratings for good margin. Apart from that, I
IIRC, the 'X2' marking means they are designed to be connected across the
mains (from live to neutral). A 'Y' or 'Y2' (which is designed so it
cannot
fail short-circuit) is used between one side of the mains and safety earth
(ground).
According to my reading whilst not cleaning filthy Apple ][s that's correct.
I suspect any known brand would be OK. I must admit I
never buy components
on E-bay, I go to somewhere like RS components or Farnell. They may be more
expensive, but it is less of a gamble.
Exact modern replacements are roughly ukp2 each from Farnell which is half
the price of some ebay chancers, some other reading I was doing suggested
EVOX/KEMET or WIMA so that'll do me.
Cheers!
--
Adrian/Witchy
Binary Dinosaurs creator/curator
Www.binarydinosaurs.co.uk - the UK's biggest private home computer
collection?