The **47DR-1012-R** is a specific part number belonging to a series of **RJ45 Jack Connectors** with integrated magnetics (commonly known as "MagJacks"). These components are used in networking hardware to interface between the Ethernet physical layer (PHY) and the network cable. --- ### 1. Key Technical Specifications The "47DR" series typically features high-performance filtering for Gigabit Ethernet or Fast Ethernet applications. Below is a breakdown of the typical technical profile for this part: | Feature | Specification | | :--- | :--- | | **Connector Type** | RJ45 Female Jack | | **Port Configuration** | 1x1 (Single Port) | | **Mounting Type** | Through-hole / Right Angle | | **Shielding** | Shielded with EMI Tabs | | **Integrated Magnetics** | Yes (Transformers and Chokes) | | **Speed** | 10/100/1000 Base-T (Gigabit) | | **LED Indicators** | Often includes Green/Yellow LEDs | --- ### 2. Internal Components (Integrated Magnetics) Unlike a standard plastic RJ45 jack, the 47DR-1012-R contains internal circuitry to ensure signal integrity: 1. **Isolation Transformers:** Provides galvanic isolation (typically 1500Vrms) to protect the device from high-voltage surges on the network line. 2. **Common Mode Chokes:** Filters out electromagnetic interference (EMI) and noise to maintain data speed and quality. 3. **Bob Smith Termination:** Internal resistors and capacitors used to terminate unused wire pairs, reducing EMI radiation. --- ### 3. Physical Construction * **Housing:** High-temperature thermoplastic (UL 94V-0 rated). * **Contacts:** Phosphor Bronze with Gold plating (usually 30u" or 50u") to prevent corrosion and ensure a stable connection over many plug-in cycles. * **Shielding:** Copper alloy or stainless steel shell to provide a path to ground for noise. --- ### 4. Common Applications This part is frequently found in the following devices: * **Network Interface Cards (NICs):** For PCs and Servers. * **Industrial Routers/Switches:** Where EMI shielding is critical. * **Embedded Systems:** Single-board computers (like Raspberry Pi or industrial equivalents). * **IoT Gateways:** Connecting smart sensors to a local network. ---