The part number **WRPPB-KJAR-R** refers to a high-performance **Push-Pull Circular Connector**, typically manufactured by brands like **Hirose** (HR10 Series variants) or compatible high-density connector specialists. These are widely used in industrial, medical, and testing equipment due to their secure locking mechanism. --- ## 1. Technical Specifications | Feature | Description | | :--- | :--- | | **Connector Type** | Push-Pull Circular Connector | | **Contact Gender** | Female (Receptacle/Socket) | | **Mounting Type** | Panel Mount (typically Rear or Front nut) | | **Locking Mechanism** | Push-Pull Self-Latching | | **Number of Pins** | Varies by sub-series (commonly 4, 6, 10, or 12) | | **Termination Style** | Solder or PCB Tail | | **Body Material** | Brass/Zinc alloy with Nickel or Chrome plating | --- ## 2. Key Component Breakdown ### A. Push-Pull Latching System The "Push-Pull" design is the core electronic/mechanical feature. Unlike threaded connectors that require twisting, these lock automatically when pushed into the mate. - **Security:** It cannot be disconnected by pulling on the cable. - **Release:** It is disconnected by pulling back the outer sleeve of the mating plug. ### B. Contact Materials and Conductivity - **Pins/Sockets:** Usually made of **Gold-plated Copper Alloy**. Gold is used to prevent oxidation and ensure low contact resistance over hundreds of mating cycles. - **Insulator:** High-grade engineering plastic (like PPS or PEEK) that provides high insulation resistance and can withstand soldering temperatures. ### C. Shielding and EMI The metal shell (Chrome/Nickel plated) provides **360° EMI shielding**. This is critical for electronic signals in medical imaging or sensitive sensors where electromagnetic interference can distort data. --- ## 3. Application Use Cases 1. **Medical Electronics:** Used in patient monitoring devices and handheld diagnostic tools where quick connection/disconnection is vital. 2. **Instrumentation:** Data acquisition systems and oscilloscopes. 3. **Audio/Visual:** Professional-grade microphones and camera control units. --- ## 4. Integration Example If you are designing a PCB for this connector, the pinout configuration is usually circular. In a schematic, it is represented as a multi-pin header: ```python # Conceptual Pin Mapping for a 4-pin WRPPB series Connector_Pinout = { "Pin_1": "VCC (+5V/12V)", "Pin_2": "Data_Positive (D+)", "Pin_3": "Data_Negative (D-)", "Pin_4": "Ground (GND)" } ```