[Mobile-Portable] Tin vs Gold Contacts?

[N1KHB at aol.com]

No-Ox as I understand it is a conductive grease. As such, it will not  only 
conduct in the intended path, but also across unintended paths such as  
between insulated contacts. If contact surface protection is desired, I would  
use a good silicone spray or a contact cleaner that has a lubricant carrier. 
 
Joe N1KHB
_www.tinyurl.com/n1khb_ (http://www.tinyurl.com/n1khb) 
ARRL VE
ARRL Instructor
ARRL Conn. Section technical Coordinator
 
 
 
 
In a message dated 6/13/2009 6:31:40 P.M. Eastern Daylight Time,  
doc at kd4e.com writes:

But if I  treat them with NoOx or the like the tin should be OK?

> Low signal  has little to do with it. Gold is a tarnish free finish. Tin 
is  
>  less resistant to corrosion/oxidation, but is still serviceable in less  
> harsh  environments. Both will wear off with multiple  insertions. The 
specs 
> will tell  you how many. When I used to  buy connectors at my work QTH, I 
almost 
> always got  gold  contacts because of reliability concerns. 
>  
> Joe  N1KHB
>  
>  
>  
>  
> In a  message dated 6/12/2009 2:05:43 P.M. Eastern Daylight Time,  
>  doc at kd4e.com writes:
> 
> In a  Mate-N-Lok or Molex will  there be a meaningful
> difference in contact  quality between tin  nd gold contacts?
> 
> There is a huge price   difference.
> 
> I am thinking it is only meaningful for  low-signal  apps.
> 

-- 

Thanks! & 73, doc,  KD4E
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