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Perhaps it is a lose wire or something.
Is it possible to use two or maybe three IRF to handle more amperage? Nowadays more and more 3. Im actualy pondering the same question as Legolas.
IRL Datasheet – MOSFETs and TempFETs from International Rectifier
I will try it again after soldering it instead of using a breadboard. Is it for audio? Do you have any idea why is the mosfet not working properly and letting the 12v works datashewt the led strip?
Thank you for this very good explanation.
Good luck, but dont hesitate to ask again shld you need further advice. Hi, really interesting your information!! Is there any logic mosfet capable to drive 25 Amperes? But where can I find Ril3705 in the datasheet? Then indeed the FET will open but it cannot go above 5Volt at the source, because then it will close again as the VGStsh is around For example, when used with a high frequency PWM and high amps, careful testing must dahasheet done, because high frequency means more time spent datasheeg the linear zone, and these parts can quickly get hot and burn, differently of TO parts, that can also burn, but only after some minutes of overheating.
Hello — Great post! I am actually using it with octocoupler connected to 12V.
DATASHEET IRL3705ZPBF – International Rectifier MOSFET N 55 V 86 a To-220
I will use Arduino to dim the power acording to inputs from handlebar. It shows the same behaviour when I use 3. So no R1 and T1 from your diagram link? The IRLN can take 36 amps.
An attiny85 could do that as well. In general you want a MOSFET that has a low Rdson and switches fast at the available triggervoltage 5volt with ttl and ofcourse can take the voltage and current it will be exposed to.
Not an ideal choice, but a good one.
Explore the latest datasheets, compare past datasheet revisions, and confirm part lifecycle. Every time I tried with new IRF, but any of them worked only for first time.
Was that the same as for the mosfet?
IRL Datasheet catalog
The transistor may burnt. You are commenting using your WordPress. I am not sure if there is an easier way to do it.
Apologies foe my late reply. However it has a very low Rdson. Glad to be able to contribute!
The STP3NA I do not know very well and I couldnt quickly find a readable datasheet, but though it doesnt seem to be a Logic level FET, from what I could see, it should open enough around 3 volt already… but if you have a better datasheet, please check that.
IRFZ44, and you want to switch somewhat higher voltages i. However I advise you against building that yourself as they are rather cheap if you just buy them: Note that the current in one mosfet is a half of the battery current. Thanks, I learnt few things in my new journey. The relatively cheap BUZ11 is also an option.
Looking at those graphs one can see that at a gate to source level of 5V Arduino levels the IRF is only capable of delivering 1 Amp, whereas it is specified for 5,6 Amps continuous current. The datasheet indicates max Vgs 4V but datsheet curve shows that at 5V the mosfet can deliver current way above my requirement Thank you for your help.
Typical Transfer Characteristics Fig 4.