053514-1901 is a Combo D coaxial right angle receptacle connector designed for PCB mounting applications. It features a shell size B with a 17W2 contact arrangement, incorporating 15 signal contacts (#20 size) and 2 coaxial contacts for combined signal and coaxial transmission. The connector supports 50 Ohm impedance and accommodates board thicknesses up to 0.125 inches (3.18 mm). This connector is ideal for applications requiring mixed signal and coaxial connectivity in a compact D-sub form factor, commonly used in telecommunications, instrumentation, and data acquisition systems.