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IRFN International Rectifier | Ciiva
But I couldn’t figure out the problem. I hope I didn’t do anything wrong. It works with the original motor and a 9V battery which runs on 9V. Email Required, but never shown.
The switch is located “between” the “Drain” and the “Source” terminals. Take note that ir5f20n is not a very “binary” behavior – it’s not ddatasheet a physical switch that’s either all the way on or all the way off – it’s a more gradual transition. I would say, take some more pictures of the different setups so we can have a look at those, to try and find out what’s going on here.
With the new transistor the pump moves super slow and the transistor got worryingly hot. I also checked your picture, and it seems like you wired the transistor up correctly.
Have you tried using the dataxheet bought transistor with the original motor? They do not practise any quality control or in-store stock tracking, so you cannot always be fully certain the device you got “offline” fits the datasheet, as batches may be mixed.
If we go above the threshold, the transistor is turns on. Irf20n as a note to you about Conrad: Since then I decided I wanted to buy more transistors of the same type and Irf520nn found one which I thought was the same. Sign up or log in Sign up using Google.
IRF520N MOSFET. Datasheet pdf. Equivalent
It’s really simple – the only difficult part for a beginner will be understanding the symbols.
Thanks for the reply! Post as a guest Name. Joren Vaes 8, 15 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 irf520m with 9V and the one I got from the kit just has a higher tolerance? Also I couldn’t find the datasyeet for the one delivered with the Arduino. So it looks like the new transistor can’t handle the 12V? There also exist “depletion mode” transistors – here the transistor is already turned on at 0V!
From way back when I remember quality of even LEDs being questionable. Perhaps also point to the location of the tutorial you datashset out with, telling you how to wire up the mosfet in the original experiment.
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. What does the IRFN actually do: To my surprise that actually made the motor spin. 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?
I’m not even certain they keep track for the on-line supply. Apparently the two transistors are not completely identical.
(PDF) IRF520N Datasheet download
The other comes from the biggest electronics store here in Germany and Datasehet conrad. Lrf520n did include the things you were asking for. Please be gentle as I am a total newbie with electronics. I know that I wouldn’t need an Arduino for that. The old transistor doesn’t heat up noticeably. I recently bought an Arduino beginners kit.
It was really helpful. This cannot be our problem. I know that I wouldn’t datadheet an Arduino for that ; Edit 3: As joren vaes suggested I used the new transistors with the old motor and a 9V power supply. Using the 9V batterie with the 12V pump works fine but only with the old transistor.
Ill include that in the post. I would just like to add that another very important bit of information in the datasheet is the pinout – in dahasheet case the Gate is pin 1, Drain is pin 2, Source is pin 3. If I missed any important information please ask in the comments and I will include it in my post.
I have started my own datahseet project and bought a 12V pump and hooked it up just as I previously did with the motor from the kit and it worked perfectly see picture.
There isn’t really any more valuable information about the transistors which came along if you were hoping for that. I would very much doubt that the transistors are very different.
These are very usefull parts, and people use them all the time.