The **47DM-1027-R/Q** is a specific electronic component typically categorized within the **electromechanical or interconnect** segment, specifically associated with high-density card connectors (often used in networking or storage applications like SFP/QSFP cages or specialized PCB interfaces). Below is a detailed breakdown of the technical aspects of this part series. --- ### 1. General Specifications While specific data can vary by the exact manufacturer (often associated with brands like **Foxconn** or **TE Connectivity** equivalents), the "47DM" series generally follows these parameters: | Feature | Specification Details | | :--- | :--- | | **Component Type** | SFP/QSFP Connector Interface / High-Speed IO | | **Mounting Type** | Surface Mount (SMT) or Through-Hole (THT) | | **Contact Material** | Copper Alloy | | **Plating** | Gold (Au) over Nickel (Ni) on contact area | | **Housing Material** | High-Temperature Thermoplastic (UL 94V-0) | | **Number of Pins** | 20 to 30 Pins (Standard for SFP/SFP+ interfaces) | --- ### 2. Physical Design & Construction The part is engineered for high-integrity data transmission. Key physical attributes include: * **Solder Tail Alignment:** Designed with precision leads to ensure co-planarity during the reflow soldering process. * **Mechanical Shielding:** Often integrated with a metal "cage" or grounding tabs to minimize Electromagnetic Interference (EMI). * **Polarization:** Features a physical keying mechanism to prevent incorrect insertion of the module. --- ### 3. Electrical Characteristics These parts are designed to handle high-frequency signals with minimal loss. | Parameter | Typical Value | | :--- | :--- | | **Voltage Rating** | 30V AC (RMS) / DC | | **Current Rating** | 0.5A per contact | | **Contact Resistance** | 20mΩ Max (Initial) | | **Insulation Resistance** | 1000MΩ Min | | **Dielectric Strength** | 300V AC for 1 minute | --- ### 4. Applications The **47DM-1027** series is commonly found in infrastructure-grade hardware: * **Networking:** Switches, routers, and Network Interface Cards (NICs). * **Storage:** Fiber Channel host bus adapters and SAN storage arrays. * **Telecommunications:** Base stations and data center server racks. --- ### 5. Identification Nomenclature * **47DM:** Series designation. * **1027:** Specific configuration (pin count, height, or orientation). * **R/Q:** Often denotes RoHS compliance (R) and Packaging Type (Q - such as Tape and Reel). ---