The threshold voltage. In this sort of situation think of it as the minimum
voltage require to turn the transistor "on". TTYL


> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Edson Brusque
> Sent: Monday, July 23, 2001 18:05
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: [EE]: How to control a 24V solenoid with a PIC and a
> transistor?
>
>
> Hello David,
>
> > >Remove NPN, put in FET. Don't worry, be happy.
> > Beware, Vth needs to be below 4V, or you won't be very happy.
>
>     what's Vth?
>
>     Best regards,
>
>     Brusque
>
> -----------------------------------
> Edson Brusque
> Research and Development
> C.I.Tronics Lighting Designers Ltda
> (47) 323-2138  /  (47) 9993-6453
> Blumenau  -  SC  -  Brazil
> www.citronics.com.br
> -----------------------------------
>
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