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THE PRODUCT DESCRIBED HEREIN AND THIS DATASHEET ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT ? Buy N-channel MOSFET,IRFN A V IRFN. Browse our IRFN; Brand International Rectifier IRFN HEXFET Power MOSFET Data Sheet. IRFN Transistor Datasheet, IRFN Equivalent, PDF Data Sheets. MOSFET. Parameters and Characteristics. Electronic Component Catalog.

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IRF520N MOSFET. Datasheet pdf. Equivalent

So it looks like the new transistor can’t handle the 12V? I know that I wouldn’t need an Arduino for that ; Edit 3: Please be gentle as I am a total newbie with electronics.

I would say, take some more pictures of the different setups so we can have a look at those, datahseet try and find out what’s going on here. The voltage difference between the “Gate” and the “Source” pin determines how hard this switch is turned on.

Id “Continuous Drain Current” — how much current you can put through the transistor before things start melting or blowing up Vds “drain-source voltage” how much voltage the transistor can effectively block.

What does the transistor actually do which I bought and can I still use it for something I actually bought quite a lot of them.

I included a schematic at the bottom. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policydataheet that your continued use of the website is subject to these policies.

What does the IRFN actually do: Just as a note to you about Conrad: I did include the things you were asking for. Could you point out which values in the datasheet are important to me so I can pay attention to those when I look for another transistor?

Home Questions Tags Users Unanswered. The other comes from the biggest electronics store here in Germany and Austria conrad. I would usually link to the wikipage, but unfortunatly the one on MOSFETs is really quite complicated and I fear it will do more harm than good. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of service datashset, privacy policy and lrf520n policyand that your continued use of the website datasheer subject to these policies.


IRF IRFN MOSFET N Channel Transistor

I would very much doubt that the transistors are very different. The big metal tab is also connected to the Drain terminal, internally so watch out when working with the transistor, since this metal piece is at the same voltage as part of your circuit!

Apparently the two transistors are not completely identical.

Joren Vaes 8, 15 Depletionmode MOSFETs are very uncommon outside of specialized scenarios – so much so that most people in the last years of the EE bachelors won’t even know they exist, but I felt it was worth mentioning them here, for completeness sake. Sign up using Facebook.

I know that I wouldn’t need eatasheet Arduino for that. Using the 9V batterie with the 12V pump works fine but only with the old transistor. These are very usefull parts, and people use them all the time. I found the datasheet to the newly acquired transistor listed on the page of the online store I bought it from but I don’t really understand anything it’s trying to tell me. Thanks a lot for the detailed post. Take note that this is not a very “binary” behavior – it’s not like a physical switch that’s either all the way on or all the way off – it’s a more gradual transition.

From way back when I remember quality of even LEDs being questionable. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Why is that transistor not working? Have you tried using the newly bought transistor with the original motor? This cannot be our problem.

I recently bought an Arduino beginners kit. I hope I didn’t do anything wrong. Also I couldn’t find the datasheet for the one delivered with the Arduino. Lonely Neuron 5.


If we go above the threshold, the transistor is turns on. In fact, I have a bag of almost 50 IRFN’s a slightly bigger version of your transistor laying around here in my lab This means that you can apply up to 20V difference between pin 1 and 3 on the device – as you mention you were using a 9V battery or a 12V supply, neither of which come close to this maximum rating. The old transistor doesn’t heat up noticeably. But I couldn’t figure out the problem.

I also included some info about an experiment I did with pump and 9V. This pinout is different for different parts and different manufacturers, so it’s a good idea to verify this from the manufacturers’ datasheet every time you are using a new part.

It works with the original motor and a 9V battery which runs on 9V. I would just like to add that another very important bit of information in the datasheet is the pinout – in our case the Gate is pin 1, Drain is pin 2, Source is pin 3. HOWEVER, there is a slight possibility that the one you bought has different pin assignments than the original, so you might have it wired wrong. With the new transistor the pump moves super slow and the transistor got worryingly hot.

There also exist “depletion mode” transistors – here the transistor is already turned on at 0V! Thanks for the reply! But the original transistor totally works with 12V and the pump but the new transistors dont I tried 3 of them, so it can’t be one which shipped broken do the transistors actually only work with 9V and the one I got from the kit just has a higher tolerance?

It’s really simple – the only difficult part for a beginner will be understanding the symbols. I can’t believe that any of the two is.