IRFZ BVDSS = 60 V. RDS(on) = Ω. ID = 50 A. ± . .. Obsolete. This datasheet contains the design specifications for. IRFZ44 Transistor Datasheet, IRFZ44 Equivalent, PDF Data Sheets. MOSFET. Parameters and Characteristics. Electronic Component Catalog. Advanced HEXFET® Power MOSFETs from International. Rectifier utilize advanced processing techniques to achieve extremely low.
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So to answer my own question It might not even be very warm at all. This mosfet will fail at above 2A at all voltages below 20V. This isn’t some theoretical annoyance that doesn’t really happen. Can you datqsheet link the datasheet? It should probably tolerate a lot if the Vds is limited to only about 10V. Extrapolating the points where the mosfet worked and did not work the imaginary DC operation line does not give me a line parallel to the other lines at difference pulse widths.
I tested today at Did you not understand my answer with Temp rise? However, I have tested it orfz44 lot at V and 1A.
IRFZ44 Datasheet(PDF) – International Rectifier
The electronic load does work badly smoothed 40V DC 3A. The continuous current is when the mosfet is fully on.
Infineon document on thermal instability. Sign up or log in Sign up using Google.
I have built an electronic load. Within about a milli second, a hot spot can develop in the hexfet and a localized temperature of over centigrade results and blows a hole in it before the feedback loop can respond.
I can vouch for seeing it on a design I was asked to look at. Seems to hold up well. Sign up using Facebook. On semi document on thermal instability. Expecting irfz44 at catasheet more than 30W even with excellent cooling is unrealistic.
Nasa document explaining it. You have to work with power dissipation figures. Andy aka k 10 I couldn’t find anything at 0Hz linear operation. So, they too may in reality be curving downwards much more at higher voltages i.
The dc curve is a flat line at about 2A till 20V, and falls sharply after that to datasneet at 40V.
IRFZ44 MOSFET. Datasheet pdf. Equivalent
Indraneel 1, 4 Any idea what the max current might be at 30V and 40V so as not to cause damage? VGS must be greater than 4V to lower Ron. I have a large heatsink with a fan on it.