[sdiy] Connector Quandary

[Harry Bissell]

The oddball headers are an old MOLEX KK series header but with ROUND pins instead of square.

Don't know if any are available these days. They really aren't THAT bad, imho but they would be
what, thirty years old now...

H^) harry


----- Original Message -----
From: Paul Schreiber <synth1 at airmail.net>
To: James Coplin <james at ticalun.net>, synth-diy at dropmix.xs4all.nl
Sent: Thu, 16 Jun 2011 01:29:18 -0400 (EDT)
Subject: Re: [sdiy] Connector Quandary

A quick poke returns only 0.045 pins for 0.156 headers.

So, call them up at 1-800-samtec9 and ask for .156 pitch with 0.025 pins. 
They are REALLY GOOD at odd-ball requests. Except for this one no doubt just 
becase they mock me. I shall seek revenge.......sorry. Portal 2 fun!

Paul S.


----- Original Message ----- 
From: "Paul Schreiber" <synth1 at airmail.net>
To: "James Coplin" <james at ticalun.net>; <synth-diy at dropmix.xs4all.nl>
Sent: Thursday, June 16, 2011 12:22 AM
Subject: Re: [sdiy] Connector Quandary


> Look around Samtec www.samtec.com
>
> Paul S.
>
> ----- Original Message ----- 
> From: "James Coplin" <james at ticalun.net>
> To: <synth-diy at dropmix.xs4all.nl>
> Sent: Thursday, June 16, 2011 12:07 AM
> Subject: [sdiy] Connector Quandary
>
>
>> I've hit another snag with my SEM project.  The original Molex connectors
>> on the SEM are junk.  They are flimsy, last for only a few insertions, 
>> and
>> pretty much snap off if you so much as look at them.  My thought was to
>> just pull them off and replace them with standard AMP or Molex headers.
>> However, while they are standard .156" spacing, they use much smaller 
>> pins
>> than the standard .156" headers.  I thought of opening the holes on the
>> PCB slightly to accommodate new connectors but upon examination of the
>> PCB, I'm not sure it would survive such an operation.  A scan of the
>> standard catalogs hasn't turned up anything of much help.  So...
>>
>> Does anyone know of a .156" header (I need 3 and 4 pin varieties) that 
>> has
>> pins that are the size of the standard .1" headers?  Failing in this, I'm
>> going to have to solder my wire connections directly to the SEM which
>> makes it extremely difficult to service in the future as even the power
>> would need to be hard wired. So...
>>
>> Other options?  Recommendations for a mid wire type connector so if I
>> needed to remove the SEM from the rack to repair it I could unhook it
>> without unsoldering a rat's nest of connections?
>>
>> This project has become one road block after another in the midst of a
>> swamp.  Thanks as always - I'm sure the collective has some decent
>> solutions!
>>
>> James R. Coplin
>> =======================
>> Doctoral Candidate
>> University of Minnesota
>> Department of History
>> =======================
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>
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-- 
Harry Bissell & Nora Abdullah 4eva