D-Sub Contacts

D-Sub and D-Shaped Connectors, also known as DE-9, DB-15, or DA-15 connectors, are a type of electrical connector commonly used for various applications due to their durability and versatility.

Definition:
D-Sub connectors are characterized by their D-shaped metal shell, which ensures a secure connection and prevents misalignment. They are part of the DE-series of connectors, which includes a range of sizes and pin configurations.

Function:
These connectors serve as interfaces for transmitting data, video, and audio signals. They are used in a variety of applications, including computer peripherals, industrial control systems, and telecommunications. The contacts within the connectors are designed to maintain a reliable electrical connection, often through the use of gold plating for improved conductivity and resistance to corrosion.

Applications:
1. Computers and Peripherals: D-Sub connectors are used for VGA (Video Graphics Array) cables to connect monitors to computers, and for serial and parallel ports on older computer systems.
2. Industrial Equipment: They are employed in industrial settings for control panels and machinery, where robustness and reliability are crucial.
3. Telecommunications: D-Sub connectors are used for connecting modems and other communication devices.
4. Audio/Video Equipment: They are found in audio and video equipment for signal transmission, such as in professional audio systems.

Selection Criteria:
When choosing D-Sub or D-Shaped connectors, consider the following:
1. Pin Configuration: Ensure the connector has the correct number of pins for the application.
2. Gender: Connectors can be male or female, and the choice depends on the mating requirements.
3. Material and Plating: Look for connectors with high-quality materials and appropriate plating to ensure durability and signal integrity.
4. Mating Type: Some connectors are designed for straight-through connections, while others may be right-angled for space-saving purposes.
5. Environmental Resistance: For applications where connectors may be exposed to harsh environments, look for connectors with appropriate sealing and resistance to moisture and dust.

In summary, D-Sub and D-Shaped connectors are versatile and robust electrical interfaces used across a wide range of industries for data, video, and audio transmission. Their selection should be based on the specific requirements of the application, including pin configuration, gender, material quality, mating type, and environmental resistance.
Please refer to the product rule book for details.