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What's this ?

Mariusk

Jan 22, 2017
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Jan 22, 2017
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Hi,

Anyone can identify what is this red compound on the wires in the attached image ?
I see it a lot on different applications, sometimes with different colors (green for example).
It's not instead of solder, so it's not conductive wire glue.

Thanks!
 

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davenn

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Sep 5, 2009
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Anyone can identify what is this red compound on the wires in the attached image ?

most likely a dab of lacquer, many manufacturers put little dabs on components etc to indicate during the QA process that it has been checked
 

hevans1944

Hop - AC8NS
Jun 21, 2012
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Looks like it has been applied to a soldered connection of solid wire, so it may have been applied as a "strain relief" coating to prevent the wire from breaking as a result of vibrations.
 

davenn

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Looks like it has been applied to a soldered connection of solid wire, so it may have been applied as a "strain relief" coating to prevent the wire from breaking as a result of vibrations.

possibly :)
 

Tsgpaul

Jan 23, 2017
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Jan 23, 2017
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Can anyone tell me what this is the black burnt one

Thanks
 

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hevans1944

Hop - AC8NS
Jun 21, 2012
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Looks like it might be an International Rectifier IRLR7843 Hexfet. Have you started a "what is it" thread here? If so, each "whutizzit" should be a separate topic, i.e., thread.
 
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