Sourcer for difficult to find components Please offer URGENTLY: 720 pcs DP83907VF NSC 1997+ or BETTER Must be new , originals in original NSC sealed package with good vacuum and with the original lifetime humidity indicator inside. Escrow 6 needed ! Totally needed 3600 pcs, if thefirst 720pcs are good ! No refurbished items !! We have returned those too many alraedy. A picture from bottom side of the circuit needed !