I would agree with this.  We added some R to the gates on the FETs we're
using to drive some LEDs to prevent this.

On 12/15/06, David VanHorn <dvanhorn@microbrix.com> wrote:
>
> On 12/15/06, John Pearson <xero@cmc.net> wrote:
> >
> > I have driven the 2n7000 directly from the MPU pin running down to 3
> > volts,
> > no problems yet.
> >
> > I want to replace the FET because too many of them die when the MPU is
> out
> > of the circuit board.
>
>
>
> Sounds like you're popping the gates with ESD.  A resistor to ground on
> the
> gate, maybe 2.2k or so, will help that. Also a small capacitor will help,
> by
> absorbing the charge and limiting the voltage it can achieve.
>
> The real problem with the circuit, is the physical handling though.
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-- 

Shawn Wilton (b9 Systems)
http://b9Systems.com  <- New web page
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