Not sure what an "intelligent MOSFET" is, but you're linking to a =20
solid-state relay.  These specific ones don't seem to be available =20
from my usual sources (Dk, Mous, etc), but other solid state relays =20
are in the US$25 range, and that's a significant jump from MOSFET's, =20
transistors, or relays at ~$1 each.  With several of these in each =20
unit, the price diff is significant.

Cheers,
-Neil.



Quoting Brent Brown <brent.brown@clear.net.nz>:

> Would you consider "intelligent" MOSFET's? Would give you a space saving =
over
> relay, but possibly more expensive. One I've recently used (for  =20
> driving solenoids) is
> the ST Microelectronics VNQ690SP, 4 channel high side solid state  =20
> relay, nominal
> 10A, 36V, fully protected.
>
> http://www.st.com/internet/automotive/product/75329.jsp
> http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERAT
> URE/DATASHEET/CD00003299.pdf


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