L17H2DE2120 vs 633-026-263-032
| Part Number |
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| Category | D-Sub Connectors | D-Sub Connectors |
| Manufacturer | Amphenol ICC (Commercial Products) | EDAC Inc. |
| Description | CONN D-SUB PLUG/RCPT 37POS R/A | CONN DSUB HD PLUG 26POS R/A SLDR |
| Package | - | - |
| Series | 17H | 633 |
| Features | Board Lock, Grounding Indents, Shielded | Board Lock, Grounding Indents, Shielded |
| Mounting Type | Through Hole, Right Angle | Panel Mount, Through Hole, Right Angle |
| Termination | Solder | Solder |
| Current Rating | 3A | 5A |
| Contact Finish | Gold | Gold |
| Number of Positions | 37, 37 | 26 |
| Connector Type | Plug, Male Pins; Receptacle, Female Sockets | Plug, Male Pins |
| Contact Finish Thickness | 30µin (0.76µm) | Flash |
| Number of Rows | 2, 2 | 3 |
| Connector Style | D-Sub - Stacked | D-Sub, High Density |
| Contact Type | Signal | Signal |
| Flange Feature | Board Side (4-40) | Housing/Shell (4-40) |
| Shell Material, Finish | Steel, Tin Plated | Steel, Nickel Plated |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 |
| Shell Size, Connector Layout | 4 (DC, C); 4 (DC, C) | 2 (DA, A) High Density |
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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. 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. -
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
D-SUB connector connection is poor
Performance: shell damage, bayonet connector loose or stuck after plugging.
Cause: internal defects of the connector, external force damage.
Solution: Check and repair internal defects of the connector and avoid external force damage.
D-SUB connector oxidation What are the manifestations?
Performance: increased contact resistance.
Cause: environmental factors and current effects.
Solution: Clean and maintain the connector regularly, and use a protective cover to avoid pin exposure.
What problems are caused by deformation of D-SUB connector?
Performance: Affects contact area and stability.
Cause: Mechanical pressure or temperature change.
Solution: Avoid excessive mechanical pressure and check connector status regularly.
