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Old Mar 16, 2014, 06:29 PM
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BlazingStar's Avatar
Thousand Oaks, CA
Joined Jul 2009
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MiniVapor Rx question

Hi,
I posted this question in the Radio forum, but maybe it's better to have it here:

Long story short, I was working in tight spaces soldering the motor leads onto a Spectrum micro Rx ( from the miniVapor) and broke off the chip shown in the picture.



The motor still runs and the servos work too.

What is that chip and how bad is it to keep using the Rx. (I don't have too many of these)

Thanks
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Old Mar 16, 2014, 07:15 PM
Registered User
West of California Speedway, East of LaLa, North of Disneyland
Joined May 2001
2,238 Posts
Before I attempt to answer your question directly, may I ask this: if that chip was broken off, what's it doing there in the pic you took?

It's definitely a chip resistor. The motor FET is the part above it.

Hmmmmmmm.
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Old Mar 16, 2014, 07:27 PM
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BlazingStar's Avatar
Thousand Oaks, CA
Joined Jul 2009
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Different Rx
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Old Mar 17, 2014, 08:34 AM
It's a spiderweb of knit lines
Souderton Pa. USA
Joined Mar 2002
2,638 Posts
That's probably a diode to protect the FET from back EMF.
It will still work but will have reduced life.
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Old Mar 17, 2014, 09:07 AM
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Thousand Oaks, CA
Joined Jul 2009
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Thanks. It'll probably outlast the plane then. And I'll make sure not to use it in another.
Too bad though, I don't have enough of these mVapor Rx...
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