5179031-4 is a 0.8mm pitch fine pitch SMT stacking plug connector designed for parallel board-to-board applications. This 100-position connector features 8µ" gold plating and supports stacking heights of 8mm or 12mm when paired with compatible receptacles. The connector has dimensions of A: 39.20mm (1.543"), B: 45.80mm (1.803"), and C: 44.20mm (1.740"). It is available in tube packaging and is RoHS compliant, making it suitable for high-density electronic assemblies requiring reliable parallel board interconnections.