5535653-1 is a 68-position pin header assembly designed for top board mounting in through-hole configurations, specifically for AMP memory card applications. The connector features brass contacts with gold plating (minimum 0.00076 mm) in the contact area and tin plating (minimum 0.00381 mm) on solder tails, with nickel underplating. The housing and organizer are constructed from LCP material in black color, and the assembly is keyed for low voltage (3.3V) cards. Key dimensions include a 1.27 mm (0.050 in) typical pin pitch and overall width of 51.26 mm (2.018 in). This connector requires 2 size 2M screws for fastening to the printed circuit board and is ideal for memory card interface applications requiring reliable electrical connections.