The **H1A113N-R** is a specific part number typically associated with **RJ45 Connector Modules with Integrated Magnetics** (often called "MagJacks"). These components are essential in Ethernet networking hardware to provide physical connectivity, signal conditioning, and electrical isolation. --- ## 1. Component Overview The H1A113N-R is a Single Port (1x1) Tab-Up RJ45 connector designed for high-speed data transmission. The "Integrated Magnetics" means that the transformers and common-mode chokes required for Ethernet are built directly into the metal housing of the connector. ### Key Technical Specifications | Feature | Specification | | :--- | :--- | | **Interface** | RJ45 (8P8C) | | **Speed** | 10/100/1000 Base-T (Gigabit Ethernet) | | **Orientation** | Right Angle / Through-Hole | | **Tab Direction** | Tab-Up | | **LEDs** | Typically Green/Yellow (Check specific datasheet variant) | | **Isolation Voltage** | 1500 Vrms (Minimum) | | **Operating Temp** | 0°C to +70°C (Standard) | --- ## 2. Internal Electronic Structure The "N-R" suffix often indicates RoHS compliance and specific internal wiring. Inside the metal shielding, you will find: 1. **Isolation Transformers:** Protects the sensitive PHY (Physical Layer) chip from voltage spikes and static electricity on the network cable. 2. **Common Mode Chokes:** Filters out Electromagnetic Interference (EMI) to ensure the device complies with FCC/CE radiation standards. 3. **Bob Smith Termination:** A resistor/capacitor network used to reduce noise on unused wire pairs and improve signal integrity. 4. **LEDs:** Integrated status indicators (Link and Activity) connected to the front of the jack. --- ## 3. Pinout and Mounting The part uses a standard footprint for PCB (Printed Circuit Board) mounting. * **Signal Pins:** 8 pins that connect to the Ethernet PHY chip. * **LED Pins:** 4 pins (usually) to power the indicator lights. * **Shield Tabs:** Metal "fingers" on the casing that ground the connector to the chassis/PCB to prevent interference. --- ## 4. Common Applications * **Networking Gear:** Switches, routers, and hubs. * **Industrial PC:** Embedded motherboards and Single Board Computers (SBCs). * **IoT Gateways:** Devices requiring wired internet stability. * **Consumer Electronics:** Smart TVs, game consoles, and set-top boxes.