D-Sub Set Screws

D-Sub or D-Shaped Connectors are a type of electrical connector that features a D-shaped metal shield, which helps to protect the contacts from electromagnetic interference (EMI) and provides a secure connection. These connectors are widely used in various applications due to their durability and reliability.

Definition:
D-Sub connectors are a family of electrical connectors that have a D-shaped metal shell, which encloses the pins and sockets. They are also known as DE-9, DA-15, DB-25, and similar designations, which refer to the number of pins in the connector.

Function:
1. Signal Transmission: They are used to transmit signals between devices, such as computers, monitors, and other peripherals.
2. Power Supply: Some D-Sub connectors are designed to carry power as well as signals.
3. EMI Shielding: The D-shaped metal shell provides shielding against electromagnetic interference, which can improve the quality of the signal transmission.

Applications:
1. Computer Peripherals: Commonly used for connecting monitors, keyboards, and mice to computers.
2. Industrial Equipment: Used in industrial settings for robust connections that can withstand harsh environments.
3. Telecommunications: Employed in telecommunications equipment for signal and power transmission.
4. Audio/Video Equipment: Found in audio and video devices for connecting speakers, headphones, and other components.

Selection Criteria:
1. Number of Pins: Choose a connector with the appropriate number of pins for the application.
2. Gender: D-Sub connectors come in male (pins) and female (sockets) variants.
3. Material: The quality of the metal and plastic materials can affect durability and signal quality.
4. Shielding: Look for connectors with robust shielding to minimize EMI and improve signal integrity.
5. Compatibility: Ensure the connector is compatible with the devices it will be used with.
6. Certifications: Check for industry certifications that guarantee performance and safety standards.

Jackscrews:
Jackscrews, also known as thumb screws or wing nuts, are a type of fastener used to secure D-Sub connectors in place. They are tightened by rotating a handle, which extends or retracts a threaded shaft, thereby tightening or loosening the connection.

Function of Jackscrews:
1. Secure Connection: They provide a secure and adjustable connection between the connector and the mating device.
2. Ease of Use: The thumb screw design allows for easy tightening and loosening without tools.
3. Adjustability: They can be adjusted to accommodate slight misalignments in the connection.

Application of Jackscrews:
1. Connector Mounting: Used to mount D-Sub connectors to panels or other surfaces.
2. Cable Management: Can be used to secure cables and keep them organized.

When selecting jackscrews, consider the size, thread type, and material to ensure they are suitable for the intended application and provide a secure and reliable connection.
Please refer to the product rule book for details.