The **WJPAD2-4D2-R** is a specialized high-density electrical connector, primarily utilized in industrial automation and precision machinery. It is designed for high-performance signal and power transmission in space-constrained environments. --- ### 1. Technical Specifications Below is a breakdown of the typical physical and electrical properties associated with this component series: | Feature | Specification | | :--- | :--- | | **Connector Type** | Board-to-Board / High-Density Plug | | **Number of Rows** | 4 Rows | | **Contact Plating** | Gold (Au) or Selective Gold over Nickel | | **Mounting Type** | Surface Mount (SMT) or Through-Hole (depending on sub-variant) | | **Pitch** | Fine Pitch (typically 0.5mm to 1.27mm) | | **Orientation** | Right Angle (denoted by the "R" suffix) | --- ### 2. Key Electronic Characteristics The component is engineered to maintain signal integrity while handling specific power loads. * **Signal Integrity:** Designed with low crosstalk and impedance matching to support high-speed data transmission. * **Current Rating:** Generally rated for low to medium current (approx. 0.5A to 2.0A per contact), making it suitable for logic signals and auxiliary power. * **Insulation Resistance:** High-performance thermoplastic housing ensures minimal leakage between adjacent pins even in high-humidity environments. * **Durability:** Hard-gold plating ensures low contact resistance over multiple mating cycles. --- ### 3. Suffix Breakdown The alphanumeric code follows a specific logic used by the manufacturer: 1. **WJPAD:** Series designation (High-density series). 2. **2:** Generation or specific housing revision. 3. **4D:** Pin configuration (4-row Double density layout). 4. **2:** Variation in height or pin length. 5. **R:** **Right Angle** orientation (essential for perpendicular board-to-board connections). --- ### 4. Common Applications * **Industrial PLCs:** Connecting CPU modules to I/O expansion boards. * **Medical Equipment:** Internal data pathways in imaging or diagnostic tools. * **Robotics:** High-pin-count connections for motor controllers and sensors. * **Computing:** Backplane or mezzanine connections in server environments.