03-04-2004, 06:57 PM
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Registered User
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Join Date: Jan 2004
Location: Houston
Posts: 99
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Check out these FETS
http://cgi.ebay.com/ws/eBayISAPI.dll...&category=2565
Do these FETs look right? I have done my research to learn that cutting the heat sink can severly damage the car. (am I right)
It also kinda look like these have a heatsink on them which I also thought was bad.
I want these but im not sure can someone give me some feedback on these things?
Peace 
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03-04-2004, 08:08 PM
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Registered User
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Join Date: Jan 2004
Posts: 118
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Those are the same FETs that Robert Byrd uses at AtomicMods.com They are legit.
The FETs themselves don't have a heatsink on them, however, a heatsink making contact with the FETs would aid cooling them. However, you'll generally have to cut the heatsink to make room for the FET stack at x3 or x4 stack.
Anyway, why go through ebay? Goto www.digikey.com and order them direct, probably cheaper too.
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03-04-2004, 08:40 PM
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Join Date: Jan 2004
Location: Houston
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Have you ordered from Digi-Key before? Do they take money orders? Also when I order do I have to order so many?
sry for all the questions.
Peace
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03-04-2004, 09:19 PM
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Join Date: Jan 2004
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Yes, I've ordered from them.
I don't know if they take money orders.
You can order as many as you want.
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03-05-2004, 12:03 AM
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TinyRC Pro
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Join Date: Aug 2003
Posts: 35
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yes they do take money orders, so people w/o credit cards are not left out of the ever-advancing xmods world of mods
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03-05-2004, 09:57 AM
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Mad Scientist
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Join Date: Oct 2003
Location: Buffalo, NY
Posts: 901
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I don't think Digi-key carries the 4562s, though, at least, I've never seen them there.
__________________
-- It is by will alone I set my mind in motion...
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03-07-2004, 04:35 PM
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Registered User
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Join Date: Jan 2004
Location: Houston
Posts: 99
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Ok so if I stack the fets and cut the heatsink the car will be ok?
I am just thinkin that something could get up there and mess up the fets or electronics. also what channel are the fets for the internal electronics?
Thanks
Peace
Last edited by Sky_Liner; 03-07-2004 at 04:39 PM.
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03-07-2004, 11:44 PM
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TinyRC Pro
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Join Date: Feb 2004
Posts: 98
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Quote:
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Ok so if I stack the fets and cut the heatsink the car will be ok?
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Mine have been fine thus far. It's not like you're going to be off-roading with your xmod.
Quote:
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also what channel are the fets for the internal electronics?
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Each FET IC is a dual N/P channel, so it has one of each. This is how two of the IC's make up an H-bridge.
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03-11-2004, 11:03 PM
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Join Date: Jan 2004
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03-11-2004, 11:16 PM
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Registered User
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Join Date: Jan 2004
Location: Houston
Posts: 99
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lol
Yea I was just looking at those I think im goin to order two of them (the 7389s).
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03-11-2004, 11:43 PM
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TinyRC Pro
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Join Date: Aug 2003
Posts: 35
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just two? ur not gonna try stackin them?
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03-12-2004, 05:05 PM
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Registered User
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Join Date: Jan 2004
Location: Houston
Posts: 99
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I meant to say four/ has anyone else used these fets?
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03-12-2004, 05:39 PM
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Registered User
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Join Date: Jan 2004
Posts: 118
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Jshwaa uses them.
When I do mine, I will use the 7389s. I believe neurokinetic used them before he went with the larger P and N FET mod he has hooked up currently.
They are pretty common in our applications..
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