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    D Sub Backshells

    D-Sub backshells are protective housings designed to enclose and safeguard the connection between D-Sub connectors and their attached cables. They provide critical support for strain relief, ensuring that the connection remains stable even under physical stress or frequent movement. Additionally, D-Sub backshells offer enhanced protection against electromagnetic interference (EMI) and radio frequency interference (RFI), making them essential for maintaining signal integrity and reliable performance in sensitive applications.

    These backshells work in conjunction with D-Sub connectors to optimise cable management and can be used to change the orientation of the connector, ensuring compatibility with tight installation spaces or specific setup requirements.

    What Are D-Sub Connector Backshells Used For?

    D-Sub backshells play a crucial role in ensuring the stability and durability of D-Sub connectors by providing strain relief for the cables they are attached to. This helps prevent potential damage caused by cable strain, ensuring the longevity of the connection. Backshells are often colour-coded or labelled for easy identification, especially in applications with complex modular boards.

    Key uses of D-Sub backshells include:

    • Cable Strain Relief: Protects cables from excessive strain, reducing the risk of damage to wires and contacts.
    • Stability: Enhances the stability of the connector, ensuring a reliable and secure connection system.
    • Orientation Flexibility: Backshells can change the orientation of the connector, allowing for easier installation in space-constrained environments.
    • Easy Identification: Colour-coded or labelled backshells aid in quick identification and organisation, particularly in larger setups.

    Our D-Sub backshell range, including RS PRO branded products, offers a variety of options to ensure maximum cable protection and flexible connectivity. The screw-type backshells are a standard choice for providing a secure and adaptable connection system in numerous applications.

    Commonly Used D-Sub Backshell Contact Configurations

    D-Sub backshells come in various contact configurations depending on the connector size and application requirements. Here are the most commonly used configurations and their typical uses:

    DB 9 Backshell

    The DB 9 backshell supports 9 contact pins and is typically used in serial communication applications, such as RS-232 interfaces. Its compact size makes it ideal for small devices like modems, older computer peripherals, and industrial control systems.

    DB 15 Backshell

    The DB 15 backshell features 15 contact pins and is widely used in VGA connections for video displays, as well as other applications like gaming controllers and network equipment. It offers a balance between size and functionality, often employed in audiovisual systems.

    DB 25 Backshell

    With 25 contact pins, the DB 25 backshell is used in parallel connections, including older computer printers and communication equipment. It offers a larger number of contacts, making it suitable for data transmission in environments where multiple signal paths are needed.

    DB 37 Backshell

    The DB 37 backshell supports 37 contact pins, commonly used in industrial and networking applications that require higher contact density. It’s often found in factory automation systems, providing robust connections for a large number of signal lines.

    Common Materials for D-Sub Backshells

    D-Sub backshells are manufactured from a range of materials, each chosen for its unique benefits in terms of durability, strength, and environmental resistance. Here are the most common materials used:

    Zinc

    Zinc backshells are known for their excellent corrosion resistance, making them suitable for harsh environments. They provide strong mechanical protection while being relatively lightweight, ideal for industrial and outdoor applications.

    ABS (Acrylonitrile Butadiene Styrene)

    ABS is a durable thermoplastic known for its impact resistance and ability to withstand moderate temperatures. It's often chosen for backshells used in consumer electronics and automotive applications due to its lightweight and cost-effectiveness.

    Die-Cast Aluminium

    Die-cast aluminium backshells are favoured for their combination of strength and lightweight properties. They provide excellent EMI/RFI shielding, making them ideal for sensitive electronic equipment that requires protection from electromagnetic interference.

    Thermoplastic

    Thermoplastic materials offer high flexibility and resistance to heat and chemicals. Backshells made from thermoplastics are often used in applications where flexibility and durability are key, such as in automotive and medical equipment.

    Metal

    Metal backshells, typically made from steel or aluminium, provide high durability and excellent shielding against interference. These are used in heavy-duty industrial settings where high strength and reliable performance are critical.

    Polymer

    Polymers offer a lightweight and corrosion-resistant option for backshells. They are commonly used in applications where weight savings and chemical resistance are important factors, such as aerospace and automotive industries.

    Plastic

    Plastic backshells provide an economical solution for low-impact applications. They are lightweight, easy to manufacture, and sufficient for environments that do not require heavy mechanical protection or high resistance to extreme conditions.

    Buy D-Sub Backshells in Singapore

    RS Singapore is your trusted supplier for high-quality D-Sub backshells, offering a comprehensive range of reliable products from renowned brands like TE Connectivity and MH Connectors.

    By choosing RS, you're not just selecting top-tier connector solutions but also gaining access to expert technical support and dedicated customer service, ensuring all your project needs are met with accuracy and efficiency. For more information on delivery options and associated fees, please visit our Delivery Information page. Trust RS Singapore for a smooth and reliable purchasing experience tailored to your connectivity needs.

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