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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IRFZ44 MOSFET. Datasheet pdf. Equivalent
Expecting reliability at any more than 30W even with excellent cooling daasheet unrealistic. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Did you not understand my answer with Temp rise?
Email Required, but never shown. I have tested it only for few seconds at this power. You have to work with power dissipation figures. 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.
The IRFZ44N is a hexFET designed for switching applications so using it in linear applications runs a risk of destroying it and you being left scratching your head as to why it went pop.
Irf44 hindsight, I should have added a couple of resisters upstream of the drain to lower the voltage across the mosfet. On semi document on thermal instability Infineon document on thermal instability Ditto from Fairchild Nasa document explaining it Which figure?
Sign up using Email and Password. I have built an electronic load. Idfz44 have a large heatsink with a fan on it. Added on APR The continuous current is when the mosfet is fully on. Can you please link the datasheet? Figure 1 and figure 2 describe the DC operations despite this measurement being made with a 20 us pulse: Case temp does not go over 40C.
VGS must be greater than 4V to lower Ron.
This is the thermal runaway Irfa44 refer to. The electronic load does work badly smoothed 40V DC 3A. So, they too may in reality be curving downwards much more at higher voltages i. Post as a guest Name. Well, the mosfet died. Damage could be caused by overheat in your case DC load. Nasa document explaining it. Otherwise, I may have to change it all to a 2N and make a mess. I can vouch for seeing it on a design I was asked to look at. Datashwet up using Facebook.
Indraneel 1, 4 At the time I did not understand the SOA curves. It was not even warm, maybe only at 35C or so. Chupacabras 3, 2 11 Infineon document on thermal instability. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policy dataaheet, and that your continued use of the website is subject to these policies.
On semi document datasheeet thermal instability. I tested today at The dc curve is a flat line at about 2A till 20V, and falls sharply after that to mA at 40V.
This isn’t some theoretical annoyance that doesn’t really happen. This one failed with only 2. Tony EE rocketscientist 62k 2 21 This mosfet will fail at above 2A at all voltages below 20V.
IRFZ44 Datasheet(PDF) – International Rectifier
So that probably explains the missing dc line in dataasheet SOA curve. It is huge difference between 3A 40V and 3A 5V. I couldn’t find anything at 0Hz linear operation.