The difference is gold plating thickness on contact area.
PCN12E-**S-2.54DSA(71) : 0.1μm
PCN12E-**S-2.54DSA(72) : 0.2μm(discontinued)
** stands for number of contact.
The difference is key of insulator.
HIF3FCA-50PA-2.54DS(71) can mate with both HIF3BB-50D-2.54R(63) (one central convex key) and HIF3BA-50D-2.54R(63) (two convex keys).
HIF3...
The difference is packaging.
BM24-**DP/2-0.35V(51) :10,000 pcs/reel
BM24-**DP/2-0.35V(53) : 1,000 pcs/reel
** stands for number of contact.
In case of receptacle (**DS ...
The difference is RoHS and insulation material manufacturer.
HIF3BA-**PA-2.54DSA(00) : Not comply with RoHS(discontinued)
HIF3BA-**PA-2.54DSA(71) : Complies with RoHS, Sabic(d...
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