S8050 is available, would it be suitable?
Well, it might be OK. I say that because the actual current that your motor will draw, is still in question but what other choice do you have?
It's definitely better than the 2N7000, it can handle currents up to 800mA, that should be OK
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I finally completed the project. I'll write this for anyone who has this problem and comes across this forum. The IRFZ44n works okay, maybe it'll have a little voltage drop but it's acceptable for me, is there a better mosfet? yes sure, maybe in the future I'll try to experiment more but for now it's okay. One thing I noticed is there's a noticeable voltage drop after putting on the propeller which is predictable as you're basically applying torque, so the 8.4 dropped to 5.25 which is still okay as I adjusted the pwm to my code accordingly. This is the connection for anyone interested.
Thanks for everyone that replied and helped. <3
Now you need to do and post a proper schematic showing your real components.
Tom... 
You already have been told to use the IRLZ44 (note the "L" for "logic level").
The IRFZ is unsuitable to be used with a microprocessor.
Some SMD mosfet near the CPU of an old computer motherboard might do the trick.
Leo..
yes, but it`s not available in my country.
I'm sorry, I'm not really familiar with any website that can do a schematic other than tinkercad.
I'm not a Tinker user, but I'm surprised that it doesn't have a proper schematic CAD feature.
Draw it by hand?
Thanks.. Tom..
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Tinkecad is fine
It's much better!
Where is the servo?
Hi just came across this post
Could someone explain how to use the IRLZ44n mosfet with the coreless motor? I have made an arduino transmitter and receiver and want to control my motor with it.
I would be powering it using 7.4v
If needed i also have an ams1117 3.3v to convert the voltage to 3.3v
I have not bought it yet, so would welcome any suggestions!
Which arduino are you using?
How much current does your motor need?
What is the motor voltage?
1)I am using arduino nano
2) i dont know as it is from an old drone motor but to be safe im taking it to be 300ma
3) the motor voltage is 3.7v
I shared the schematic in this forum or did you mean in terms of the code? , I don't have access to IRLZ44n in my country so I used IRF530N but it's the same idea. Anyways I already completed my project and it works properly if you have any questions let me know and I`ll try to help.
I do. But i want to control the motors direction of rotation too. Will it be possible using this?