D-Sub Connector Names and Shell Sizes


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One very common question that arises is what size backshell goes with my D-Sub connector. the first key to this is understanding what your connector shell size is. Another issue is that some connectors are actually called by the wrong name. Many people call all D-Sub connectors by a DB name for example they will say “DB-15” which is actually a DA-15 or they will say “DB-15HD” or BD-15 “High Density” which is actually a DE-15. We have assembled the below table to help with shell identification questions.

D-Sub Connectors

Naming DX-ZZZ

Letter Description
D D-Shaped Shell
X Calls out the Shell Size
ZZZ Calls out the Number of pins &/or pin arrangement
HD if this is on the end of the part is is calling out High Density

Common D-Sub Connectors

Name AKA Shell Size Description
DA-11W1 11W1 A 2 Row 10 pos pin/socket + 1 Power
DA-15 DB-15 A 2 Row 15 pos (pin/socket)
DA-26 DB-26HD A 3 Row 26 pos (pin/socket)
DA-3W3 3W3 A 1 Row, 3 Power pos
DA-3W3K 3W3K (3V3) A 1 Row with 2 Power Plug/Socket and 1 of opposite
DA-7W2 7W2 A 2 Row 5 pos pin/socket + 2 Power
DB-13W3 13W3 B 2 Row 10 pos pin/socket + 3 Power
DB-17W2 17W2 B 2 Row 15 pos pin/socket + 2 Power
DB-21W1 21W1 B 2 Row 20 pos pin/socket + 1 Power
DB-25 DB-25 B 2 Row 25 pos (pin/socket)
DB-44 DB-44HD B 3 Row 44 pos (pin/socket)
DB-5W5 5W5 B 1 Row 5 Power pos
DB-9W4 9W4 B 2 Row 4 Power pos
DC-13W6 13W6 C 2 Row 7 pos pin/socket + 6 Power
DC-17W5 17W5 C 2 Row 12 pos pin/socket + 5 Power
DC-21W4 21W4 C 2 Row 17 pos pin/socket + 4 Power
DC-21WA4 21WA4 C 2 Row 17 pos pin/socket + 4 Power
DC-25W3 25W3 C 2 Row 22 pos pin/socket + 3 Power
DC-27W2 27W2 C 2 Row 25 pos pin/socket + 2 Power
DC-37 DB-37 C 2 Row 37 pos (pin/socket)
DC-62 DB-62HD C 3 Row 37 pos (pin/socket)
DC-8W8 8W8 C 1 Row 8 Power pos
DD-24W7 24W7 D 1 Row 17 pos pin/socket + 1 Row 7 Power
DD-36W4 36W4 D 3 Row 32 pos pin/socket + 4 Power
DD-43W2 43W2 D 3 Row 41 pos pin/socket + 2 Power
DD-47W1 47W1 D 3 Row 46 pos pin/socket + 1 Power
DD-50 DB-50 D 3 Row 50 pos (pin/socket)
DD-78 DB-78HD D 4 Row 50 pos (pin/socket)
DE-15 DB-15HD E 3 Row 15 pos (pin/socket)
DE-1W1 1W1 E 1 Row with 1 Power
DE-2W2 2W2 E 1 Row with 2 Power
DE-2W2C 2W2C (2V2) E 1 Row with 1 Power Plug & 1 Power Socket
DE-5W1 5W1 E 2 Row 4 pos pin/socket + 1 Power
DE-9 DB-9 E 2 Row 9 pos (pin/socket)

See Also