[sdiy] IC socket reliability/0.100 headers?

[David G Dixon]

I've used thousands of 0.1" wire-to-PCB connectors, and have never had one
fail.

I socket every IC, always, with machined-pin sockets, and have never had one
fail.



> On Monday 21 January 2013, 10:39:06, Dave Kendall wrote:
> > I guess it's fair to say that MTA-type 0.100 style connectors can 
> > suffer from many of the disadvantages of IC sockets? They 
> do make life 
> > easy and neat, but I guess a soldered connection to a PCB pin with 
> > heastshrink for added mechanical strength is possibly the most 
> > reliable.
> 
> No, you veered into the _other_ lane now.  There is no 
> reliable way to solder a flexible cable to a board if it can 
> still move, so if you can't bring whatever is at the other 
> end of that cable directly on board, you need a 
> calbe-to-board connection.  That's what these are designed to 
> do, the important difference to an IC socket is that the 
> socket and the pin are mated.  If you really don't need the 
> cable to be removable (usually on one side only) you could 
> skip the socket by using press-fit pins crimped to the cable.
> 
> > Any comments on that, or long-term 0.100 fail stories?
> 
> As long as the cables are crimped correctly you'd need really 
> adverse conditions to require moving up to even better 
> connectors.  Make sure there's no mechanical strain on them 
> and they should be fine.  The ones I've seen fail have mostly 
> been mistreated during assembly or soldering or overloaded 
> due to a short circuit.
> 
> 
> Regards,
> Achim.
> -- 
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