[Moon-net] Relay ratings question

Jordan outposter30 at shaw.ca
Sat Nov 1 03:19:46 CET 2008


Thanks gang.. I was also expecting the limits were due to conductor size, 
spacing etc....
So I'm rebuilding the 2m relay assembly to handle higher power and separate 
lines for T/R...73.... Jordan....


----- Original Message ----- 
From: "Jordan" <outposter30 at shaw.ca>
To: <moon-net at list-serv.davidv.net>
Sent: Friday, October 31, 2008 1:46 PM
Subject: Relay ratings question


>
> Hello again EME'ers...
>
> I am using some SMA relays rated to 400 watts (Avg Power as per the spec 
> sheet ) at 150mhz... If I have them mounted with heatsink compound flush 
> to a 4 x 8 x 3/16 " AL plate would that increase the power rating...?  Or, 
> is the rating based much more on the separation between conductors in the 
> relay block...?
>
> Any thoughts....?   73...Jordan VE6ZT 


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