684M21W1103L461 vs 622-025-668-032
| Part Number |
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| Category | D-Sub Connectors | D-Sub Connectors |
| Manufacturer | NorComp Inc. | EDAC Inc. |
| Description | CONN D-SUB PLUG 21POS R/A SOLDER | CONN D-SUB RCPT 25POS R/A SOLDER |
| Package | - | - |
| Series | 684M | 622 |
| Features | Board Lock, Grounding Indents, Mounting Brackets | Board Lock, Filter, Shielded |
| Mounting Type | Board Edge, Through Hole, Right Angle | Panel Mount, Through Hole, Right Angle |
| Termination | Solder | Solder |
| Current Rating | 5A, 40A | 5A |
| Contact Finish | Gold | Gold |
| Number of Positions | 21 (20 + 1 Power) | 25 |
| Connector Type | Plug, Male Pins | Receptacle, Female Sockets |
| Contact Finish Thickness | Flash | 30µin (0.76µm) |
| Number of Rows | 2 | 2 |
| Connector Style | D-Sub, Combo | D-Sub |
| Contact Type | Signal and Power | Signal |
| Flange Feature | Housing/Shell (4-40) | Housing/Shell (4-40) |
| Shell Material, Finish | Steel, Nickel Plated | Steel, Nickel Plated |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 |
| Shell Size, Connector Layout | 3 (DB, B) - 21W1 | 3 (DB, B) |
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1. Features of D-SUB connector
1. Easy plugging and unplugging: The D-SUB connector adopts a push-pull plug-in design, which is convenient and fast, and can quickly connect and disconnect the circuit.
2. Reliable contact: The contact of the D-SUB connector is made of high-quality metal material, which is precisely processed and gold-plated, and has good conductivity and long service life.
3. Wear resistance: The contact of D-SUB connector is made of wear-resistant material, which can withstand frequent plugging and unplugging and long-term use, and is not easy to be damaged.
4. Multiple specifications: D-SUB connectors have multiple specifications, suitable for different cables and sockets, and the appropriate specifications can be selected according to actual needs.
5. High reliability: The design of D-SUB connectors focuses on reliability. After strict quality control and testing, it can ensure that there will be no problems such as poor contact or short circuit during use. -
2. 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. -
3. 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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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.
