5177985-2 is a fine pitch SMT stacking receptacle connector designed for parallel board-to-board applications. This 60-position connector features a 0.8mm pitch and 8µ" gold plating for reliable electrical contact. The connector has dimensions of A: 23.20mm (.913"), B: 29.80mm (1.173"), and C: 28.20mm (1.110"), with a stacking height of 6.0mm (.236"). The recommended PC board layout includes 1.2±0.03mm and 0.8±0.03mm diameter pads. This connector is ideal for compact electronic assemblies requiring reliable parallel board-to-board interconnections in space-constrained applications.