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From: firstname.lastname@example.org (Bill Allison)
Subject: Re: Help - Power mosfets - difficult load
Date: 23 Oct 2002 04:35:44 -0700
References: <email@example.com> <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org> <email@example.com>
NNTP-Posting-Date: 23 Oct 2002 11:35:44 GMT
firstname.lastname@example.org (Mike Harding) wrote in message news:<email@example.com>...
> On Wed, 23 Oct 2002 10:27:30 +1000, "Phil Allison"
> > ** Tell me Bill, seeing as you already know all the answers why did you
> >bother to post here at all ?? You have wasted people's time and smugly
> >ignored facts that don't suit your misconceptions.
> I reached a similar conclusion a few days ago too.
Please see my post later in this thread
> Given that the FETs he's chosen are priced by Farnell at Aus$123 I'd
> suggest he look at some protection circuits for them.
No - not those fets - see later post in this thread
> Be careful of that RDS(on) it may not be as simple as you think
> especially when paralleling FETs. If you think you might learn
> something from it I would advise you to do a seach on
> http://www.irf.com/ using the term "hexfet explained" but
> without the quotes.
Yes - that's why I've gone for two heavier devices in parallel, with a
bit more margin of safety in total, rather than six lighter ones. BTW,
as per my original post, I already have retrieved all the relevent app
notes and other papers from irf. And yes - I've learned a lot from
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