MOSFET I vs. T curve

Mar 13, 2007 4 Replies

As junction temp increases, r goes up and I goes down, right?



This must be a misprint:


(This is IRFM150/2N7224)



(see fig. 1 & 2 on p. 4). I think these 2 graphs are transposed. The higher condition should result in less current, yes?



Just testing my grasp of the knowledge...



Thanks,


John English

DNS error:

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NOT FOUND in DigiKey; either 2N7224 or IRFM150.

Fantasy?

In the graphs you're looking at, you can hold Vds constant (say one volt) and compare Id at the two temperatures. It is clear that r decreases with increases in temperature. More carriers or something. Isn't that a characteristic of all junctions?

You will find a similar result for the IRF510, for example.

Chuck

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