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GriffinRU
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07.28.2008, 12:18 AM

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Originally Posted by lutach View Post
Artur,

You are an artist when it comes to modifying ESC. I can't wait to see your own creations.

OT: I have something for you to fix for me. I have a nice 60A controller that was working wonderful in my Recoil with my Mega ACn16/15/1, but I changed the timing on the controller by mistake and it fried a couple of FETs. The controller uses the On Semi's NTMFS4833N and I would like to know if there's a better replacement for it. Sorry to bring an off topic item to this thread.
Hi Luciano,
I do not have any particular part number in my mind, haven't looked yet for better replacement, but at current moment 4833 FET at 5S is hard tro beat performer.
Onsemi has a newer fet in the same form factor with enhanced thermal properties but so far I cannot find how it is better then 4833.
While DPak-7 is still thes best, but that wasn't the question. right?
You need to be very good with control circuit, while talking to DPak-7 and I am not sure what you are looking for either so far.
Bottom line for 5S ESC I do not have any better fet then 4833.
Anything better then that requires pcb layout with super heavy copper or different approach for power leads.

Patrick is not helpfull here, at least for me, he likes to talk but in reality he is just a business-man... I guess he is very proud of his 11 million business

P.S. I am TUI :)
   
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lutach
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07.28.2008, 12:22 AM

Quote:
Originally Posted by GriffinRU View Post
Hi Luciano,
I do not have any particular part number in my mind, haven't looked yet for better replacement, but at current moment 4833 FET at 5S is hard tro beat performer.
Onsemi has a newer fet in the same form factor with enhanced thermal properties but so far I cannot find how it is better then 4833.
While DPak-7 is still thes best, but that wasn't the question. right?
You need to be very good with control circuit, while talking to DPak-7 and I am not sure what you are looking for either so far.
Bottom line for 5S ESC I do not have any better fet then 4833.
Anything better then that requires pcb layout with super heavy copper or different approach for power leads.

Patrick is not helpfull here, at least for me, he likes to talk but in reality he is just a business-man... I guess he is very proud of his 11 million business

P.S. I am TUI :)
I need a ESC to be fixed. It's a small 60A controller that uses the OnSemi's 4833. I burned a couple (Maybe a few) and I would like to get it fixed, but I wanted to know if there's a better MOSFET out there. The ESC that I have is only rated for 3S (Maybe 4S) and I don't want to send it all the way to China.

Regards.
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GriffinRU
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07.28.2008, 12:48 AM

Quote:
Originally Posted by lutach View Post
I need a ESC to be fixed. It's a small 60A controller that uses the OnSemi's 4833. I burned a couple (Maybe a few) and I would like to get it fixed, but I wanted to know if there's a better MOSFET out there. The ESC that I have is only rated for 3S (Maybe 4S) and I don't want to send it all the way to China.

Regards.
Send it to me i'll fix it for you...
   
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lutach
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07.28.2008, 01:04 AM

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Originally Posted by GriffinRU View Post
Send it to me i'll fix it for you...
Ok, but do you have the FETs there? I haven't been able to find small amounts of the 4833 and that's why I asked if there's a better FET available.

Regards.
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GriffinRU
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07.28.2008, 10:28 AM

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Originally Posted by lutach View Post
Ok, but do you have the FETs there? I haven't been able to find small amounts of the 4833 and that's why I asked if there's a better FET available.

Regards.
I thought you can provide parts:)

You can get samples from ON Semiconductor...

I do not have them.
   
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lutach
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07.29.2008, 12:54 AM

Quote:
Originally Posted by GriffinRU View Post
I thought you can provide parts:)

You can get samples from ON Semiconductor...

I do not have them.
I can, but for large quantities. I'll give my rep a call tomorrow to get some samples. He'll be a bit shocked .
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lutach
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07.29.2008, 12:30 PM

Artur,

I have the 4833 coming in probably tomorrow.

Please look at the following datasheets:

http://www.infineon.com/dgdl/BSC014N...1a38f5a96704e8
http://www.infineon.com/dgdl/BSC016N...13de4a19bb0334
http://www.st.com/stonline/products/...l150n3llh5.pdf
http://www.onsemi.com/pub/Collateral/NTMFS4833N-D.PDF

Which one looks to be the best out of the 4 listed? This is what I was asking before, if there's better MOSFET then the 4833.
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