177986-100 vs 177986-2 vs 177986-1

 
PartNumber177986-100177986-2177986-1
DescriptionConn Stacking PL 60 POS 5mm/9mm/13mm Stack Height 0.8mm Solder ST SMD T/R (Alt: 177986-2)Board to Board & Mezzanine Connectors PLUG .8mm 40 POS
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