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Views: 7 Author: Site Editor Publish Time: 2022-07-27 Origin: Site
D SUB connector cables are commonly used in computing, video, and communication applications. These connectors are also used in military, medical, industrial, data, instrumentation, and consumer applications. D-sub connectors are named for their unique D-shaped shield shape. This metal shield protects the connector's two or more rows of Pin pins or females, ensuring that the connector is mated for docking through proper orientation and alignment. It should fit snugly inside the shield of another male header. Sometimes the shield is also designed to prevent electromagnetic interference.
The pins of a D-sub connector are arranged in parallel rows (at least two and at most five). The space between the pins is called the density of the connector. The three densities of D-sub connectors are normal, high, and double.
Density | Row spacing | Pin spacing |
Normal | 2.84 mm (0.112 in) | 2.76 mm (0.1087 in) |
High | 2.0 mm (0.078 in) | 2.3 mm (0.090 in) |
Double | Unspecified | Unspecified |
D-sub Connectors Types and Pin configuration and Density：
D-sub type | Pin layout | Density | Notes |
DE-9 | 5–4 | Normal | Commonly used for a computer's serial port. The DB-9 connector is sometimes used for token ring adapters. DB-15 connectors may also appear on tick coaxial cables. |
DA-15 | 8–7 | Normal | Used for VGA connections, 10BASE5 (thick Ethernet, or "thicknet"), serial ports, and some NICs (network interface cards). |
DE-15 | 5–5–5 | High | |
DB-19 | 10–9 | Normal | Connection for monitors and disk drives, used on early Macintosh and NeXT computers. Also used for ASCI data connections on some Atari computers of that era. |
DE-19 | 6–7–6 | Double | |
DB-25 | 13–12 | Normal | Used for parallel port connections. |
DA-26 | 9–9–8 | High | |
DA-31 | 10–11–10 | Double | |
DC-37 | 19–18 | Normal | Used on some Cisco, Nortel, SMC, et al., network appliances. Also used in various models of sensors, switches, satellite antennas, control systems, video hardware, security control systems, etc. |
DB-44 | 15–15–14 | High | |
DD-50 | 17–16–17 | Normal | Legacy SCSI connections. |
DB-52 | 17–18–17 | Double | |
DC-62 | 21–21–20 | High | |
DD-78 | 20–19–20–19 | High | |
DC-79 | 26–27–26 | Double | |
DD-100 | 26–25–24–25 | Double | |
DF-104 | 21–21–21–21–20 | High |
PS：The number in the type name indicates the number of active wires in the connector, not necessarily the number of its pins.
