The **10220-R21CS** is a specific part number belonging to the **MDR (Mini Delta Ribbon)** series of connectors, manufactured primarily by **3M**. It is a high-density, high-performance interconnect solution commonly used in industrial automation, telecommunications, and machine vision systems (such as Camera Link). --- ### ## Technical Specifications | Feature | Specification | | :--- | :--- | | **Connector Type** | MDR Receptacle (Female) | | **Number of Contacts** | 20 Pins | | **Mounting Type** | Through-hole (PCB Mount) | | **Orientation** | Right Angle | | **Shielding** | Fully Shielded (Metal Shroud) | | **Locking Mechanism** | Screw-lock / Threaded (M2.5 or 4-40) | | **Pitch** | 0.050" (1.27 mm) | --- ### ## Electronic & Material Composition 1. **Contacts:** * **Material:** Usually Copper Alloy. * **Plating:** Gold plating in the contact area for superior conductivity and corrosion resistance, with Tin-Lead or Lead-free plating on the solder tails. 2. **Housing:** * Made from high-temperature thermoplastic (Polyester/PBT). * Designed to withstand wave soldering temperatures. 3. **Shielding:** * The steel/nickel-plated shell provides excellent **EMI/RFI (Electromagnetic Interference)** protection, which is crucial for high-speed data transmission in noisy industrial environments. --- ### ## Common Applications * **Camera Link Systems:** Used for high-speed digital imaging in factory inspections. * **Industrial Robotics:** Connecting controllers to sensors or motors. * **Networking Equipment:** High-density I/O ports for data communication. * **Medical Equipment:** Reliable signal transmission for diagnostic devices. --- ### ## Key Advantages * **High Density:** The 1.27mm pitch allows for 20 pins in a very compact footprint. * **Robust Connection:** The screw-lock mechanism ensures that the cable remains securely attached even in high-vibration environments. * **Wiping Action:** The ribbon-style contacts provide a "wiping" action during mating, which clears surface contaminants and ensures a reliable electrical path. ---