For mating D-2100 Series Housings see stock number ; 719-0135 719-0135 typical. Dynamic 2100 Headers. The TE Connectivity Dynamic Range D-2100 Series Headers have a Tin plated Retention Leg for increased stability. The PCB solder tails of the D-2100 Series Headers are Tin plated and the contact Tabs are Gold plated. The recommended PCB thickness for these D-2100 Series Headers is 1.6 mm.