Mosfet what is vt

It is seen that the temperature characteristic is such that at high temperatures, V GS th tends to decline. V GS th can be used to estimate Tj.

The V GS th temperature characteristic is linear, and so a proportionality coefficient can be calculated, and the increase in temperature can be calculated from the amount of change in V GS th. I remember having the same confusion when I took my electronics class.

This makes the second equation I gave seem strange though Add a comment. Active Oldest Votes. Deepak Berwal Deepak Berwal 5 5 silver badges 13 13 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Does ES6 make JavaScript frameworks obsolete?

Now I'm trying to discern a relationship here but can't figure out what the constant value from I've found 3. Beyond the threshold voltage I see that Vds falls dramatically as Vgs increases until it levels off at about 3. What happens before the threshold voltage? What happens after it? The amount of current is roughly proportional to both Vgs and Vds.