What are FETs, Diacs and Triacs???

[zak4000]

Hi, i've seen MOSFETs, JFETs, FETs, Diacs and Triacs being used and things but what do Diacs and Triacs do? And whats the difference between MOSFETs, JFETs and FETs from normal transistors??? And how are thay used???

Please explain....
:-\

 

[audioguru2]

There are explanations for most electronic devices in our Articles section.
Google can direct you to other sites with good explanations.

 

[abhishek gupta]

fet is fiels effect transistor .jfet and mosfet are under the category of fet.JFET is junction field effect transistor and mosfet is metal oxide semiconductor field effect transistor.