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Re: [TowerTalk] DIN Connectors You Can't Solder To

To: "'Tower Talk List'" <towertalk@contesting.com>
Subject: Re: [TowerTalk] DIN Connectors You Can't Solder To
From: "David Robbins K1TTT" <k1ttt@arrl.net>
Reply-to: k1ttt@arrl.net
Date: Sat, 17 Nov 2007 17:36:53 +0000
List-post: <mailto:towertalk@contesting.com>
First, what is RoHS???

Most likely they are plated with chrome.  I would take some fine sandpaper
and scratch the plating of the top of the pins, that at least gives a little
area to tack onto.  If the pins have a hollow on the back like most of them
find a drill or jeweler's file that fits in there and scrape out the plating
also.  This also works for chrome plated pl-259's since most all of these
types of things are just plated brass.

David Robbins K1TTT
e-mail: mailto:k1ttt@arrl.net
web: http://www.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
 

> -----Original Message-----
> From: towertalk-bounces@contesting.com [mailto:towertalk-
> bounces@contesting.com] On Behalf Of Martin Ewing - AA6E
> Sent: Saturday, November 17, 2007 16:55
> To: Tower Talk List
> Subject: Re: [TowerTalk] DIN Connectors You Can't Solder To
> 
> Could this be an RoHS problem?  Not primed (tinned) for lead solder?
> What kinds of metal don't take solder?  Inquiring minds want to know... ;-
> )
> 
> If it's RoHS, it's the wave of the future and we have to find ways to
> deal with it.
> 
> 73 Martin AA6E
> 
> Jim Brown wrote:
> > Tower Talkers,
> >
> > I just received a couple of ICE switchable bandpass filters that I
> > ordered 3 months ago, and quickly began wiring cables to interface
> > them to band decoders. That operation came to a screeching halt when
> > I couldn't solder to the DIN connectors that came packed with the
> > filters. The pins don't take solder (AT ALL), AND the holder for the
> > pins melts. I'm using thin 60/40 solder and a nice temp controlled
> > iron.
> >
> > I've run into these connectors before -- I have a half dozen that I
> > bought from RF Connection 3-4 years ago, and gave up on them when I
> > tried to use them. I ended up buying replacements from a ham store
> > that were sold through the Yaesu or Kenwood distribution chain.
> >
> > First, take this as a warning to avoid these connectors. Second, take
> > this as a question as to who makes the GOOD connectors of this type
> > (yes, I know "good" and "DIN" don't go together). These are the 8-pin
> > connectors that Yaesu uses for band data.
> >
> > 73,
> >
> > Jim K9YC
> >
> _______________________________________________
> 
> 
> 
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