On 13 Jan 2003 at 22:03, Roman Black wrote:

> Could I just attach the gate pin to the source pin,
> keeping the NFET permanently turned off and just use
> it as a $0.50 fast small 20A power diode?? Has anyone
> done this in a motor power application?
> -Roman

Yes, it works well. On inspection of some data sheets it appears that
most power MOSFETs have fully characterised D-S diodes with
current/voltage ratings the same as the switching element. To me that
implies that they are made for use as flyback diodes and the like.

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Brent Brown, Electronic Design Solutions
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