The part number **WRPPB-M7AM5R-R/Q** typically refers to a specialized automotive or industrial-grade wire-to-board connector assembly, often associated with high-reliability signaling or power distribution. --- ### 1. Component Specification Overview Based on standard nomenclature for this series, here are the primary electronic and physical specifications: | Feature | Specification Details | | :--- | :--- | | **Component Type** | Rectangular Connector / Pin Header | | **Mounting Type** | Through-hole (R/A or Vertical depending on suffix) | | **Pitch** | Typically 2.0mm or 2.5mm (Series dependent) | | **Pin Configuration** | 7-Pin (M7) | | **Contact Material** | Copper Alloy with Gold or Tin Plating | | **Current Rating** | 1.0A - 3.0A per contact | | **Voltage Rating** | 125V - 250V AC/DC | --- ### 2. Breakdown of the Part Number The alphanumeric code provides specific instructions for the manufacturing process and electrical characteristics: 1. **WRPPB**: The series prefix, denoting a "Wire-to-Board" or "Board-to-Board" high-reliability plug/header. 2. **M7**: Indicates the number of positions (7 pins). 3. **AM5**: Refers to the physical dimensions and housing height (often 5mm profile). 4. **R**: Standing for **Right Angle** orientation or **Reel** packaging. 5. **-R/Q**: * **R**: Compliance with **RoHS** standards (Lead-free). * **Q**: Quality grade, often indicating **AEC-Q100/200** automotive qualification or specific vibration testing. --- ### 3. Key Electronic Characteristics * **Low Contact Resistance**: Designed to maintain less than 20mΩ resistance to ensure signal integrity in low-voltage circuits. * **Dielectric Withstanding Voltage**: Capable of handling surges up to 500V AC for one minute without breakdown. * **Operating Temperature**: Rated for -40°C to +105°C, making it suitable for engine compartments or industrial machinery. * **Locking Mechanism**: Features a positive friction lock to prevent disconnection under high-vibration environments. --- ### 4. Typical Applications These parts are commonly integrated into the following systems: * **Automotive ECU Interconnects**: Connecting sensors to the main control unit. * **Industrial Automation**: PLC (Programmable Logic Controller) I/O modules. * **Consumer Electronics**: Internal power routing for high-end appliances.