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Re: [TowerTalk] UT-141 terminating conn Question

Subject: Re: [TowerTalk] UT-141 terminating conn Question
From: Jim Lux <>
Date: Wed, 05 Oct 2011 06:59:01 -0700
List-post: <">>
On 10/5/11 6:24 AM, wrote:
> Hi, I have a friend working on a project that involves terminating to a
> female SMA
> from UT-141 semi-rigid coax. The only connector he was able to fInd was
> at Digi-Key,
> cost $20, and they only had one in stock. He needs 3 connectors, and we
> think a more
> reasonable price could be found.

Solder, I assume, not crimp, since you'd need the tooling

Male is more common on cables.  Are you sure your friend needs a female 
jack on the cable?

Pasternack has them for about $5-6  PE4008 for the male
PE4115, PE4120 are female, latter for bulkhead mounting.  They're about 
$10 each for the 4115.  There are also flange mounts.   search for "SMA female 141"

Most solder on connectors are going to be gold plated (so the solder 
sticks), not nickel or stainless steel.

> Could anyone offer more options? The connection will not need to be
> weather proof.
Since it's semirigid cable, just solder to a standard flange mount 
connector. Maybe a few mm of center conductor exposed and soldered to 
the center conductor of the connector, then a thin layer of tape, then 
some copper foil to bring the shield around?

How critical is shielding, loss, or match?   What works at 10 MHz may 
not work at 18GHz.


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