DCM-21WA4P-K87 vs DEE9SVT
| Part Number |
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| Category | D-Sub Connectors | D-Sub Connectors |
| Manufacturer | ITT Cannon, LLC | Cinch Connectivity Solutions |
| Description | CONN D-SUB PLUG 21POS PNL MNT | DSUB 9 F WW .375 G TIN |
| Package | - | - |
| Series | Combo D?, D*M | BASIC? D |
| Features | Grounding Indents, Shielded | - |
| Mounting Type | Panel Mount | Through Hole |
| Termination | Solder Cup | Solder |
| Current Rating | 7.5A | 5A |
| Contact Finish | Gold | Gold |
| Number of Positions | 21 (17 + 4 Coax or Power) | 9 |
| Connector Type | Plug, Male Pins | Receptacle, Female Sockets |
| Contact Finish Thickness | Flash | Flash |
| Number of Rows | 2 | 2 |
| Connector Style | D-Sub, Combo | D-Sub |
| Contact Type | Signal and Coax or Power (Not Included) | Signal |
| Flange Feature | Housing/Shell (Unthreaded) | Cable Side (4-40) |
| Shell Material, Finish | Steel, Tin-Nickel Plated | Steel, Tin Plated |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 |
| Shell Size, Connector Layout | 4 (DC, C) - 21WA4 | 1 (DE, E) |
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1. Applications of D-SUB full range of connectors
1. Computer field: D-SUB connectors are widely used in the computer field, such as the connection of external devices such as monitors, keyboards, mice, etc.
2. Communication field: D-SUB connectors can be used for signal transmission between various communication devices, such as telephones, fax machines, routers, etc.
3. Industrial control field: D-SUB connectors are widely used in the industrial control field, such as the connection of PLCs, sensors, actuators and other equipment.
4. Automation field: D-SUB connectors can be used for signal transmission and power supply in automation equipment, such as robots, automated assembly lines, etc.
5. Other fields: In addition to the above fields, D-SUB connectors can also be used in other fields such as security, lighting, and medical equipment. -
2. Specifications and models of D-SUB connectors
There are many specifications and models of D-SUB connectors, and the common ones are D-SUB 9-pin, D-SUB 15-pin, D-SUB 25-pin and other series. These series have their own scope of application and characteristics. Users can choose the appropriate specifications and models according to actual needs. At the same time, the prices of different specifications and models are also different. Users need to consider factors such as cost and applicability when choosing.
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3. D-SUB connector insulation is poor
Performance: short circuit, insulation resistance is too poor.
Cause: high humidity in the use environment, serious pollution, water or other liquids penetrate into the insulator, etc.
Solution: Improve the use environment, clean the inside of the insulator, and replace the insulator. -
4. FAQ of D-SUB Connector
What is the reason for slow data transmission of D-SUB connector?
Performance: Slow or interrupted data transmission.
Cause: Inherent characteristics of serial communication.
Solution: Use faster communication standards or increase communication stability measures 24.
D-SUB connector signal attenuation
Symptom: Signal attenuation.
Cause: Long-distance transmission characteristics.
Solution: Use higher quality cables or add signal amplifiers.
