5177985-3 is a fine pitch SMT stacking receptacle connector designed for parallel board-to-board interconnection applications. This 80-position connector features 0.8mm pitch and 8µ" gold plating on contacts for reliable electrical connections. The connector has dimensions of A: 31.20mm (1.228"), B: 37.80mm (1.488"), and C: 36.20mm (1.425"). It is supplied in tape and reel packaging for automated assembly processes. This connector is ideal for applications requiring compact, high-density board-to-board connections in consumer electronics, telecommunications, and industrial equipment.