L77SDDG50SOL2RM5GC309 vs DA3V3P500G40LF
| Part Number |
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| Category | D-Sub Connectors | D-Sub Connectors |
| Manufacturer | Amphenol ICC (Commercial Products) | Amphenol ICC (FCI) |
| Description | CONN D-SUB RCPT 50POS VERT SLDR | CONN D-SUB PLUG 3POS R/A SOLDER |
| Package | - | - |
| Series | SD | DW |
| Features | Board Lock | Board Lock, Grounding Indents, Mounting Brackets |
| Mounting Type | Through Hole | Through Hole, Right Angle |
| Termination | Solder | Solder |
| Current Rating | 5A | 40A |
| Contact Finish | Gold | Gold |
| Number of Positions | 50 | 3 (Power) |
| Connector Type | Receptacle, Female Sockets | Plug, Female Sockets and Male Pins |
| Contact Finish Thickness | 30µin (0.76µm) | - |
| Number of Rows | 3 | 1 |
| Connector Style | D-Sub | D-Sub, Combo |
| Contact Type | Signal | Power |
| Flange Feature | Board Side (M3) | Housing/Shell (Unthreaded) |
| Shell Material, Finish | Steel, Tin Plated | Steel, Tin Plated |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 |
| Shell Size, Connector Layout | 5 (DD, D) | 2 (DA, A) - 3W3 |
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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. Problems caused by poor contact of D-SUB connectors
Performance: increased contact resistance, circuit breakage, contact curtain movement, etc.
Causes: inadequate connection, insufficient contact area, dirt, corrosion, oxidation, etc.
Solution: Re-plug the connector, clean the connection part (use alcohol or other cleaning agents), replace the contact or connector. -
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.
