5-146256-4 is a two-position surface mount header with solder tails designed for the AMPMODU .025 square interconnection system. This header features a dimension A of 0.084 inches (2.13 mm) and is available with multiple contact plating options including Plating A, Plating B, and Plating C to meet various environmental and performance requirements. The product is part of a comprehensive family of headers available in configurations ranging from 2 to 80 positions, all maintaining the standard 0.100 inch (2.54 mm) centerline spacing. These headers are commonly used in electronic assemblies requiring reliable interconnection with solder tail termination for PCB mounting, offering flexibility in plating selection for corrosion resistance and solderability.