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I can’t believe that any of the two is.
Using the 9V batterie with the 12V pump works fine but only with the old transistor. In fact, I have a bag of almost 50 IRFN’s a slightly bigger version of your transistor laying around here in my lab I know that I wouldn’t need an Arduino for that ; Edit 3: 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?
What does the transistor actually do which I ratasheet and can I still use it for something I actually bought quite a lot of them. I also checked your picture, and it seems like you wired the transistor up datasheft. The voltage difference between krf520n “Gate” and the “Source” pin determines how hard this switch is turned on.
If I missed any important information please ask in the comments and I will include it in my post. Post as a guest Name.
The big metal tab is also connected to the Drain terminal, internally so watch out when working with the transistor, ifr520n this metal piece is at the same voltage as part of your circuit!
The old transistor doesn’t heat up noticeably. Joren Vaes 8, 15 I included a schematic at the bottom. I would not have thought about it, but I did try it and you are right! If this difference is smaller than the “threshold datasueet, found in the datasheet, the switch is “off”.
IRF520N MOSFET. Datasheet pdf. Equivalent
Thanks a lot for the detailed post. There isn’t really any more valuable information about the transistors which iff520n along if you were hoping for that. So it looks like the new transistor can’t handle the 12V?
With the new transistor the pump moves super slow and the transistor got worryingly hot.
Also, learning to read schematics is essential for doing electronics work. 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.
But I couldn’t figure out the problem. I know that I wouldn’t need an Iff520n for that. To my surprise that actually made the motor spin. Lonely Neuron 5. 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. Ill include that in the post.
(PDF) IRF520N Datasheet download
They do not practise any quality control or in-store stock tracking, so you cannot always be fully certain the ief520n you got “offline” fits the datasheet, as batches may be mixed.
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.
This cannot be our problem. Sign up or log in Sign up using Google. I also included some info about an experiment I did with pump and 9V. 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 irf520h which shipped broken do the transistors actually only work with 9V and the one I dwtasheet from the kit just has a higher tolerance?
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.
IRFN International Rectifier | Ciiva
I did include the things you were asking for. 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. 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.
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. Email Required, but never shown. I have started my own little 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.
I recently bought an Arduino beginners kit. Please be gentle as I am a total newbie with electronics.
So my questions are: