The difference is quantity a reel. FH34SRJ-xxS-0.5SH(50):　　　5,000 pcs/reel FH34SRJ-xxS-0.5SH(99):　　　　 500 pcs/reel xx stands for number of the contacts.

It is BM25 series that self-alignment of 0.48mm in length and 0.46mm in width.

It is DF40GL series.

The connectors with "J" after the series name are connectors for the inspection jig. Example: DF40JC, DF37CJ

It is FH29 series. The contact points are one side due to the internal via hole (through hole). Please refer to the following.

​They are FH62 series, FH63 series and FH67 series. The difference is contact pitch and cable insert direction as follows.FH62 series : 0.25 mm horizontalFH63S series : 0.5 mm ...

The difference is packaging. BM28B0.6-10DP/2-0.35V(51) : 20,000 pcs/reel BM28B0.6-10DP/2-0.35V(53) :   1,000 pcs/reel​

​It is DF59-22PCFA.

DF12 * series(Discontinued) and DF12N * series are compatible both in mating and PCB footprints. (* is a symbol representing the design differences , and blank, A, B, C etc. are...

We do not have the manual crimping tool for DF52 series as of December 2020. The Crimped contacts with 300 mm cable is currently available, instead.