The 6123000-1 is a fine-pitch SMT stacking connector designed for parallel board-to-board interconnections in compact electronic assemblies. This connector features a 0.8 mm free height configuration and is available in multiple position counts ranging from 40 to 200 positions, with dimensions varying accordingly (A: 15.20–79.20 mm, B: 21.80–85.80 mm, C: 20.20–84.20 mm). The connector is offered with two plating options: 8 µ" gold or 30 µ" gold, and is supplied in tube, tube with pickup cap, or tape and reel packaging formats. The design incorporates a 1.2±0.03 mm contact diameter and 0.8±0.03 mm pin diameter, ensuring reliable mating and consistent electrical performance. These connectors are widely used in telecommunications, computing, and industrial equipment where space-constrained, high-density interconnections are required.