>Hi
>
>Just a couple of questions.
>
>What's the difference between a NPN transistor and an NPN hexfet?
>Under what conditions would you use a hexfet?


Hexfet is a trademark from International Rectifier for their line of power
MOSFETs.

>
>What's the difference between a diode and a rectifier?
>Are those names used interchangeably?


Diode is the generic name, and rectifier refers to the application of a
diode (to rectify current).

>
>Thanks in advance
>
>Jon

Gabriel