D-Sub Connectors Amphenol CONEC D-Sub Connectors are available in five standardized housing sizes with standard pole counts of 9, 15, 25, 37, and 50. The Amphenol CONEC D-sub connector dimensions conform to IEC 60807-2 (formerly DIN 41652) or Mil-C-24308. The connectors are available in crimp, solder cup, right angle, and straight versions. These connectors are used in a wide variety of applications that depend on industry standards and high reliability.