Hi,

I understand the basics of how to use a transistor for a switch, and how to
pick them and calculate the base resistor and such, but not for FETs. Can
anyone here please explain to me how to do this with a JFET or MOSFET. I
tried google but only found links explaining the theory of how it is built,
and having a hard time actually designing a switch from that. I want to know
how to calculate the current it can provide to the load and the current it
will draw (from a PIC output pin) and other important calculations. Also,
how would I know if to use a mosfet or jfet? Thanks in advance.

Brian

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