316517-2 is a 20-position vertical header (V-HDR) connector from TE Connectivity's Dynamic 3500 Series. This connector features an X key configuration for proper mating alignment and is designed for board-to-wire applications. The contact plating is gold at 0.38µ thickness (indicated by the -2 suffix). It is compatible with various receptacle housings in the Dynamic 3500 Series family. This vertical header is suitable for automotive, industrial, and consumer electronics applications requiring reliable multi-position interconnects.