Pigiausias variantas prisilupineti is senu motininiu ploksciu, ten mosfetu 
yra.

"lingus" <lingus@pilis.if.ktu.lt> wrote in message 
news:jj2flp$6g2$1@trimpas.omnitel.net...
> Sveiki, gal kas pasakysite kur tokį galima gauti?
> Kaip suprantu pavaizduotas N-channel MOSFET dep.
> http://en.wikipedia.org/wiki/Mosfet#Circuit_symbols
>
> The MAX6650/MAX6651 fan controllers use an
> SMBusTM/I2CTM-compatible interface to regulate and mon-
> itor the speed of 5VDC/12VDC brushless fans with built-in
> tachometers. They automatically force the fan’s tachome-
> ter frequency (fan speed) to match a preprogrammed
> value in the Fan-Speed Register by using an external
> MOSFET or bipolar transistor to linearly regulate the volt-
> age across the fan.
>
>