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PTH08T240W suffix question

Datasheet list two through-hole parts PHT08T240WAD and PTH08T240WAH. Datasheet shows no apparent  difference in the two.

Whats the difference?

 

 

  • PTH08T240WAD and PTH08T240WAH are electrically and mechanically the identical modules.  

    The PTH08T240WAD was originally released as RoHS lead (Pb) free .

    The PTH08T240WAH had minor   lead (Pb) content in several component leads until April 2006. As of  April 2006, It was converted to RoHS lead(Pb) free compliance .