MDM-21SCBRPTL56 is a 21-contact socket (receptacle) Micro-D PCB connector from ITT Cannon's MDM-PCB series, designed for high-density board-to-board, board-to-cable, and cable-to-cable applications. It features a right angle narrow profile (CBR) PCB termination with 0.050" (1.27 mm) contact spacing and a Liquid Crystal Polymer (LCP) insulator material. The connector includes threaded insert mounting hardware (#2-56 thread) and a modified termination tail length of 0.150" (3.81 mm) per the L56 code. Key dimensions include A Max of 1.085" (27.56 mm), B of 0.865" (21.97 mm), and C Max of 0.702" (17.83 mm). This connector is suitable for use with flex circuitry, flat cable, and printed circuit boards in applications requiring high reliability and compact form factors.