1-5353188-0 is a fine-pitch SMT stacking connector receptacle designed for parallel board-to-board applications with a 7H (7 mm) stacking height configuration. The connector features 140 contact positions and is available in tape packaging format, with dimensions of 41.4 mm (A), 44.0 mm (B), 48.7 mm (C), and 44.6 mm (D), with a height dimension (E) of 7.45 mm (.293 inches). The housing is constructed from thermoplastic material rated 94V-0, with copper alloy contacts duplex plated with 0.00020 min. gold on contact area and 0.00100 min. tin on solder area, underplated with 0.00130 min. nickel. This connector is ideal for high-density interconnect applications requiring reliable board-to-board stacking in compact electronic assemblies, offering excellent electrical performance and mechanical stability for demanding industrial and consumer electronics applications.