053512-1577 is a Combo D coaxial connector socket assembly (female) designed for right angle PCB mounting applications. This connector features 50 Ohm impedance and supports board thickness up to 0.125 inches (3.18 mm). The connector is available in various shell sizes (DE, DA, DB, DC, DD) with different contact arrangements combining signal and coaxial contacts. Common applications include data communication systems and instrumentation where reliable coaxial signal transmission is required.