1-794106-1 is a 20-circuit dual-row pin header connector with board lock designed for use with Mini-Universal MATE-N-LOK plug housings using socket contacts. The connector features a duplex finish with 0.000030 inch minimum gold plating in the mating area and matte tin on the solder tail end, over a 0.000050 inch minimum nickel underplate on the entire contact. The A dimension (length) is 1.692 inches (42.98 mm), and it is available in both tin and duplex plating options. This connector is commonly used in applications requiring secure board-mounted connections with reliable mating cycles, such as industrial control systems, telecommunications equipment, and modular electronic assemblies where the board lock feature prevents accidental disconnection.