2-2271101-1 is a 20-position SCS1 .050 receptacle header assembly designed for PCB mounting applications. The connector features a 1.27mm (0.050") pitch with copper alloy contacts plated with 0.3µm gold over nickel underplate in the contact area and tin plate in the solder tail area. The housing is constructed from UL 94V-0 rated thermoplastic in black color, with a zinc diecast metal shell featuring nickel plating. Key dimensions include A=11.43mm, B=16.43mm, C=27.45mm, D=33.35mm, E=23.45mm, and F=23.8mm. This connector is suitable for high-density interconnect applications requiring reliable signal transmission and secure PCB mounting with recommended M2.6 panhead screws.