Re: Re: Quick blow fuse

["Ian Lowe" <ian@xxxxxxx>]

Keith,

As an aside, how does that work? I thought those were quick blow fuses too,
with the thought that the spring coil placed the filament under tension
such
that it was always under slight stress and would (physically) come apart
faster when loaded to failure...

if it's an Anti-surge (and I am sure you are right) what's the spring do???

Ian.

----- Original Message -----
From: "Keith Doxey" <ukha.diyha@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Friday, May 18, 2001 12:00 PM
Subject: [ukha_d] Re: Quick blow fuse


> Hi Peter
>
> It is NOT a quick blow.
>
> the fact that it is clear and has a coiled spring inside indicates
> and ANTI-SURGE fuse. If you look on the end cap you will find the
> rating written in the form T800mA or T0.8A or similar.
>
> Quick blow fuses are marked F5A etc.
>
> If you replace an Antisurge fuse with a quick blow it will fail
> repeatedly. The reason for Anti Surge is that as your Sub powers up
> there is a momentary surge of current that would blow a normal fuse,
> the A/S fuse takes longer to blow but when it does the spring
> instantly opens a wide gap in the fuse cutting off the power.
>
> Keith
>
>
> --- In ukha_d@y..., peter.white@b... wrote:
> > All
> >
> > Quick question - my sub (Sony Pascal) stopped making noises a
> couple of days
> > ago, and having taken it apart it looks like the internal fuse
has
> blown.  Not
> > being a techy I'm no expert on these things, but I think it's a
> quick blow 800ma
> > fuse (ie it's see-through with a coiled fuse wire).  Any idea
where
> I can get me
> > some of these?  The repair centre in the local Curry's looked at
me
> like I was
> > from Mars, so either I'm talking rubbish, or they're not so
> clever....
> >
> > Ta
> >
> > Pete
>
>
>
>
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>




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