IDC Connectors

IDC is short for Insulation-Displacement Connector. They are compact components that provide a quick and reliable way to connect wires to circuit boards. They are commonly used in electronics, particularly computers and data storage devices, where efficient data transfer is crucial.

These electrical connectors are designed for ribbon cables and telecommunications applications. They are also referred to as insulation-piercing contacts (IPCs) due to their unique design. IDC connectors are equipped with sharp blades that directly penetrate the insulation of cable conductors, thereby establishing a connection without the necessity of stripping the insulation. This feature simplifies the installation process, making IDC connectors a preferred choice for quick and reliable electrical connections in various technological and industrial environments.

Flat Ribbon Cable Assemblies

IDC connectors are most commonly used with Flat Ribbon Cables to create a cable assembly. Ribbon cables consist of multiple wires connected together in a thin, flat ribbon configuration.

The IDC connector, equipped with sharp contact points, pierces the insulation of the wires, establishing a connection without the needs for stripping—unlike traditional crimping methods. This makes IDCs the perfect choice for quick and easy ribbon cable termination.

IDC Connectors use cold welding technology. The IDC connector terminal pushes down and cuts through the insulation of the wire. During this process, there is significant pressure applied which creates this cold weld. Some IDC connectors also come with strain relief functionality which helps to protect the ribbon cable connection and improve life span and reliability.

Different Types of IDC Connectors

IDC connectors are primarily divided into two major categories:

• Ribbon Cable IDC Connectors: These connectors streamline the termination process, allowing for simultaneous connection of all wires in a ribbon cable.
• Punch-Down Block Connectors: Also known as telecommunication connectors, these connectors require individual wires to be inserted into designated positions within the block. Punch-down tools ensure proper seating of the wires, adhering to industry standards.

Furthermore, IDC connectors offer flexibility with various pitch options, catering to different wire sizes and spacing requirements. Common pitch varieties include 1.27 mm, 2.00 mm, and 2.54 mm, with most connectors featuring a double-row configuration for enhanced connectivity options.

RITS Connectors

RITS (remote I/O terminal system) connectors are a specialised subset of IDC (Insulation Displacement Connection) connectors, designed to streamline the connection process by eliminating the need for wire stripping. Unlike traditional crimp or screw clamp connections, RITS connectors utilise a unique design where chisel-shaped contacts pierce through the wire insulation, creating a secure and reliable connection without any prior wire preparation. This innovative approach translates into significant time savings, compared to conventional connection technologies.

Note: All RITS connectors fall under the broader category of IDC connectors, but not all IDC connectors are RITS connectors. RITS connectors specifically focus on eliminating wire stripping and simplifying the connection process.

Features and Benefits of RITS Connectors:

• Insulation Displacement Connection: No wire stripping required, saving valuable time and effort during installation.
• High Density: Compact design with a 2.0mm pitch, maximising space efficiency in your applications.
• Reliable Connection: Chisel-shaped contacts ensure a robust and long-lasting connection, minimising the risk of signal loss or disconnection.
• Easy Termination: The straightforward installation process requires minimal training and specialised tools, further enhancing efficiency.
• Various Housing Options: Available in a range of configurations, including plug, socket, and panel mount, to cater to different application needs.
• Time-Saving: RITS connectors can significantly reduce installation time, leading to increased productivity and cost savings.
• Versatility: Suitable for a wide range of applications, including industrial automation, control systems, and sensor networks.
• Durability: Built to withstand harsh environments and vibrations, ensuring reliable performance in demanding conditions.

Things to Consider When Purchasing an IDC

Before you make a purchase, there are several key factors to consider to ensure the IDC connector you select perfectly suits your application:

• Number of Contacts: IDCs are available with a variety of pin counts, typically ranging from 2-way to 64-way or more. The choice of contact number should be based on your specific application requirements. For example, a 4-way ribbon cable connector may suffice for simple applications, while a 10-way or higher may be necessary for more complex systems. Additionally, the pins may be arranged across multiple rows, which can affect the layout and design of your PCB.
• Gender: IDCs come in two genders: male (plug) and female (socket or header). The choice between these depends on the design of your system and how the connectors will interface with other components. Ensure compatibility with existing cable connector sockets in your application to avoid connectivity issues.
• Pitch: Pitch refers to the distance between each contact in the connector. Common pitches for IDC connectors include 1.27 mm and 2.54 mm. It is crucial that the pitch of the IDC connector matches the ribbon cable you intend to use, as an improper pitch can lead to poor connections and potential failure of the system.
• Mounting Type: IDC plugs and sockets can be mounted onto cables or printed circuit boards (PCBs). The mounting type you choose will depend on your application and the space available. IDC connectors can be designed for vertical or horizontal mounting, which can influence the overall footprint of your assembly.
• Cable Compatibility: When selecting an IDC connector, consider the type of cable it will be used with. IDC connectors are designed for specific cable sizes and types, including stranded or solid conductors. It is essential to ensure that the connector is compatible with the cable gauge you plan to use, as this will affect the reliability and performance of the connection. Mixing different cable sizes within the same connector is not advisable.

Where Are IDC Connectors Used?

IDC connectors find their application in various fields, primarily where space and efficiency are at a premium:

• Low voltage applications: IDC connectors are ideal for low-voltage applications due to their reliable connections and compact size. They are frequently found in consumer electronics, telecommunications equipment, and industrial control systems.
• Computer drives: IDC connectors play a vital role in connecting internal components like hard drives (HDDs) and solid-state drives (SSDs) to the motherboard. Their ability to handle multiple wires simultaneously enables efficient data transfer within the system.
• Smartphones and Laptops: These portable devices rely on IDC connectors for internal wiring, connecting various components such as displays, batteries, and cameras. Their slim profile and secure connections make them well-suited for the compact nature of these devices.
• Telecommunications: IDC connectors are widely used in telecommunications equipment, connecting various modules and components within routers, switches, and other networking devices. Their reliability and ease of termination are crucial in ensuring seamless communication networks.
• Automotive: In the automotive industry, IDC connectors are employed in various applications, from engine control units to infotainment systems. Their ability to withstand vibrations and harsh environments makes them essential for ensuring reliable performance in vehicles.

Your Trusted IDC Connector Supplier in Singapore

Discover a comprehensive range of IDC connectors at RS Singapore, your one-stop shop for reliable connectivity solutions. We partner with leading brands like 3M, Harting, and TE Connectivity to offer a wide selection of high-quality IDC connectors, including ribbon cable connectors, panel mount connectors, 40-way connectors, and more.

At RS, we prioritise quality and customer satisfaction. Our extensive inventory ensures you have access to the connectors you need, when you need them, backed by expert technical support and customer service.

Streamline your purchasing process with our user-friendly online catalogue, making it easy to browse, select, and order the ideal IDC connectors for your application. We also offer fast delivery across Singapore, so you can keep your projects moving forward without delay. For detailed information on our delivery options and policies, please visit our Delivery Information page.

Choose RS Singapore for a seamless and efficient IDC connector buying experience that meets your connectivity needs.