5-5179010-4 is a 0.8mm free height (FH) fine pitch SMT stacking receptacle connector designed for parallel board-to-board applications. This 100-position connector features 8µ" gold plating and supports stacking heights of 13mm to 16mm when mated with compatible plugs. The connector is rated for 100 VAC voltage, 0.5 ampere current, with contact resistance of 30 milliohms maximum and dielectric withstanding voltage of 500 VAC. Operating temperature range spans from -40°C to +85°C including terminal temperature rise. This connector is ideal for high-density interconnect applications requiring reliable electrical connections in compact electronic assemblies.