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Re: [Amps] Power handling of an SMA

To: amps@contesting.com
Subject: Re: [Amps] Power handling of an SMA
From: Ian White GM3SEK <gm3sek@ifwtech.co.uk>
Reply-to: Ian White GM3SEK <gm3sek@ifwtech.co.uk>
Date: Wed, 27 Apr 2011 15:36:42 +0100
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Carl wrote:
>> ## I have used Amphenol PL-259's  that were a bitch to solder the braid
>> to..
>> through those 4 x little holes.   Think they were nickel plated.   The
>> best types
>> appear to be Silver plated ones..with teflon dielectric.  I bought a bunch
>> of Van-
>> Gordon PL-259's..and those are silver plated, including the outer shell.
>> Teflon
>> dielectric in the middle..and real easy to solder.
>
>
>** Tin the nickel ones first. I do a batch at a time of NOS Amphenols I 
>picked up back in the R-K days with a solder pot. Flux up, dip in pot 
>and bang hard to remove excess.

Another trick is to file across each of the 4 holes with a 1/8in round 
file. File away to almost the full depth of the hole, leaving just a 
thin feather-edge of bare brass which is much easier to solder.


-- 

73 from Ian GM3SEK
http://www.ifwtech.co.uk/g3sek
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