DBM25P500MN vs XM3C3722
| Part Number |
|
|
| Category | D-Sub Connectors | D-Sub Connectors |
| Manufacturer | Amphenol ICC (FCI) | Omron Electronics Inc-EMC Div |
| Description | CONN D-SUB PLUG 25POS R/A SOLDER | CONN D-SUB PLUG 37POS R/A SOLDER |
| Package | - | - |
| Series | DM HE508 | XM3C |
| Features | Mounting Brackets | Shielded |
| Mounting Type | Through Hole, Right Angle | Through Hole, Right Angle |
| Termination | Solder | Solder |
| Current Rating | 7.5A | 3A |
| Contact Finish | Gold | Gold |
| Number of Positions | 25 | 37 |
| Connector Type | Plug, Male Pins | Plug, Male Pins |
| Number of Rows | 2 | 2 |
| Connector Style | D-Sub | D-Sub |
| Contact Type | Signal | Signal |
| Flange Feature | Housing/Shell (Unthreaded) | Housing/Shell (Unthreaded) |
| Shell Material, Finish | Steel, Cadmium Plated | Steel, Nickel Plated |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 |
| Shell Size, Connector Layout | 3 (DB, B) | 4 (DC, C) |
| Contact Finish Thickness | - | 16µin (0.40µm) |
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1. What is a D-SUB connector
The name of the D-SUB connector comes from the D-shaped appearance of its plug. It is a double-row cable connector widely used in computer, industrial automation and communication fields. This connector consists of two parts: a plug and a socket. It is connected through pinholes and pins. It can transmit video, audio and digital signals and provide a large number of grounding points.
The D-SUB connector is a compact and versatile connector mainly used to support power, analog, RF or digital signal transmission. It has a variety of models, options and accessories and is a very economical interconnection solution. -
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. 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.
