A customer who is interested in our product has questioned the use of an
edge card connector (90deg conn on edge of 0.060" PWB) because there is no
solder visible in the PTH - just press pin, AKA "compliant pin" or "Action
Pin".  The connector plugs into a 0.150" backplane that also has compliant
pin connectors.  The customer wants to know if the connection of the
compliant pin is as reliable as a non-press pin with solder fillet.  I
contacted the component manufacturer and received a 1978 tech doc that
focused on insertion/retention forces VS PTH dias., but no specific
references comparing press pin to solder tail.  I am looking for less dated
material, that may also include a comparison to solder tail.

Does anyone out there have supporting evidence using an industry standard
like Bellcore (TR-NWT-001217 or 000078), that speaks to the reliability of
connectors using compliant pin technology?

-Rick Mills

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