On 19/06/2011 02:54, RussellMc wrote:
> Use of a true logic level FET will make driving and design far far far ea=
sier.
> The only redeeming features of the 2N7000 family are low price and a
> useful 60 V Vdsmax.
> Many many many better FETs exist - and very few worse ones.
> If you can find them the CES23xx (CES2310 my workhorse) are stunningly
> good logic FETs. CES2310 is rated at 30V and 4.8A with Vgsth of about
> a gnat's breath.

Thanks, this is really useful advice.  I'll definitely look for a better=20
part before I design the board, I just happened to have a bag of 2N7000s=20
since I fixed something a while back.

I can't find the CES23xx at either Farnell or RS in the UK, but with the=20
info in your post I'll be able to dig around some datasheets and find a=20
suitable alternative.

David
--=20
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