Hi, does anybody know if there are any small signal mosfets among the huge number of mosfet models in ltspice? In particular I am looking for a model which is in a to-92 package. Some catalogs call them j-fets and they are always in a to-92 package.
thanks audio guru. then I would prefer a N-mosfet in a to-92 package. this is for easy printed circuit board mounting and I only require milliamps. This is why I was looking at j-fets. The mosfets appear to be all in to-220 packages. Can you get any in a to-92 package?A Jfet and a Mosfet are completely different:
1) A Jfet has a gate-source junction and is usually at its maximum drain-source conductance when the gate-source voltage is zero. A reverse bias on its gate-source reduces its conductance and can turn it off.
2) A Mosfet is usually turned off when its gate-source voltage is zero and conducts when its gate has the proper voltage polarity.