What I have done in the past one the one or two (more like one or two
hundred!) boards I have had to do this to is that if you can drill two
additional holes into the assembly where the R and D meet, place their leads
through the board, twist them together then solder and then lead clip, this
should work real good especially for vibration.


-----Original Message-----
From: Alberto Callo [mailto:[log in to unmask]]
Sent: Monday, December 06, 1999 3:38 PM
To: [log in to unmask]
Subject: [TN] Re-work Through Hole


Hello Technetters,

We are in the process of re-working one of our boards and I was
wondering if anyone has suggestions regarding the assembly in series of
two axial components.  We will eventually revise the PCB design but in
the meantime we need to add a diode to a resistor location.  We have to
use standoffs to support both components since they will be subject to
vibration and shock tests. I was wondering what will the best way to
arrange both components and reduce the amount of leads bending,  or is
there any standards? I couldn't find any recommendations in IPC-7711 and
IPC-7721.


      R      D
 ___------___---___
|   ------   ---   |

       0      0
      PCB holes

Thanks

Alberto

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