[Elecraft] SO-239 Connector Selection

[Bob Naumann]

The 83-798A has a Teflon insulator - this is what makes it different.

They're all equivalent for low frequency, low power (<200w) work which I
presume your bandpass filters will be.

"High-End"? What design?



-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Brett Howard
Sent: Thursday, July 22, 2010 8:22 AM
To: elecraft
Subject: [Elecraft] SO-239 Connector Selection

Ok figured I'd ask here and see if someone had some input on the
differences here.  Hopefully someone has done more design with these
than I...

My application is that I'm looking for connectors to install on some
high end home made band-pass filters.

83-1R;
http://www.mouser.com/ProductDetail/Amphenol-RF/83-1R-SO-239/?qs=sGAEpiMZZMt
qi3rrGzC6kucWGwVoNS6TyriIimuNw9A%3d
83-1R-RFX:
http://www.mouser.com/ProductDetail/Amphenol-RF/83-1R-RFX/?qs=sGAEpiMZZMtqi3
rrGzC6kqBNVAfbUIcAaUNmqqZ3zpA%3d
83-798:
http://www.mouser.com/ProductDetail/Amphenol-RF/83-798/?qs=sGAEpiMZZMtqi3rrG
zC6kptFUq3vT%252bWoMcHyGEmWyaU%3d

The 83-1R is a number I've seen a lot in usage and its the connector I'm
leaning toward.  It is also the cheapest of the 3.  I know they are all
going to be good connectors but is there any benefit to going with the
other two versions?  I believe that the RFX version is a commercial
version of the same thing (at only 20 cents more) but I don't know what
the difference is.  Finally the 83-798 claims to be an SO-239A
connector...  I tried doing a search for SO-239 vs SO-239A and in a
quick gander didn't turn up much...  Any input would be appreciated.

Thanks

~Brett (N7MG)

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