Hi!

We have an important modification on a board and some advice would be
appreciated.

Nature of the modification:

A diode (do-41 casing) as to be added to a circuit in parallel to a resistor
(1/2 W).
Is there any specs on how such a modification should be done?

I was thinking of drilling holes for the diode as it had a place near the
resistor.
Then I would bound the diode so it stays in place and connect the resistor
and the
diode with some wiring on the solder side.  The board as no power planes nor
ground
planes.  Of course, the electrical clearance would be respected.

Is there any other way that would be generaly prefered in the industry?
Such as
soldering the diode on top of the resistor (witch I doubt) or anything else.
And is
there an IPC book on such kind of modification?

Thank You!

Jean-Francois

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