The **M5RJ85SPJ-R** refers to a specific type of modular connector, commonly known as an **RJ45 Jack** (8P8C - 8 Positions, 8 Contacts). These components are essential in networking and data communication hardware. Below is a breakdown of the electronic and mechanical specifications for this part. --- ### 1. Component Overview The "M5RJ" series typically denotes a modular jack designed for PCB (Printed Circuit Board) mounting. The "85" indicates the 8P8C configuration, while the suffix "R" often refers to **Right Angle** orientation or **RoHS** compliance. ### 2. Technical Specifications | Feature | Description | | :--- | :--- | | **Connector Type** | RJ45 (8P8C) | | **Mounting Type** | Through-Hole (THT) | | **Orientation** | Right Angle (90 Degree) | | **Shielding** | Available in Shielded or Unshielded (typically Shielded for "R" variants) | | **Contact Plating** | Gold over Nickel (typically 3u" to 50u") | | **Voltage Rating** | 125V AC RMS | | **Current Rating** | 1.5 Amperes | --- ### 3. Key Electronic Parts & Materials - **Housing:** High-temperature thermoplastic (usually UL 94V-0 rated). This ensures the part does not melt during wave soldering. - **Contacts:** Phosphor Bronze base. The gold plating is critical to prevent oxidation and ensure low contact resistance over time. - **Shield (Shell):** Copper alloy with tin or nickel plating. This acts as a Faraday cage to protect signals from Electromagnetic Interference (EMI). - **Solder Pins:** Tinned leads for easy soldering onto a PCB. ### 4. Application Areas This part is commonly found in the following electronic assemblies: 1. **Network Switches/Routers:** The physical interface for Ethernet cables. 2. **Industrial Controllers:** Providing Modbus or Ethernet/IP connectivity to PLCs. 3. **IoT Gateways:** Used for hardwired internet connections where Wi-Fi is unstable. 4. **Embedded Systems:** Development boards (like advanced versions of Raspberry Pi or custom ARM boards). --- ### 5. Mechanical Features - **Tab Direction:** Usually "Tab Down" or "Tab Up," determining how the clip of the Ethernet cable interacts with the jack. - **LEDs:** Some versions of the M5RJ series include integrated Green/Yellow LEDs to show "Link" and "Activity" status directly on the connector.