D-subminiature

The D-subminiature or D-sub is a common type of electrical connector. They are named for their characteristic D-shaped metal shield. When they were introduced, D-subs were among the smallest connectors used on computer systems.

Normal density High density Double density
Name Pin layout Name Pin layout Name Pin layout
DA-15 8–7 DA-26 9–9–8 DA-31 10–11–10
DB-25 13–12 DB-44 15–15–14 DB-52 17–18–17
DC-37 19–18 DC-62 21–21–20 DC-79 26–27–26
DD-50 17–16–17 DD-78 20-19-20-19 DD-100 26-25-24-25
DE-09 5–4 DE-15 5–5–5 DE-19 6–7–6
19-pin 10–9 DF-104 21-21-21-21-20
23-pin 12–11
  1. non-standard shell size
"DC-37" redirects here. For the trade union in New York, see District Council 37.
"Micro-D" redirects here. For American information technology firm previously known as "Micro D", see Ingram Micro.

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