The **WJPAD2-101-R** is a specific electronic component typically categorized as a **Surface Mount (SMT) Low Profile Jack** or a specialized **D-Sub/Data Connector** variant. Based on industrial electronic part naming conventions (often associated with manufacturers like *Singatron* or *Walsin*), this part is designed for high-density PCB layouts. --- ### 1. Key Technical Specifications While exact specifications can vary slightly by manufacturer, the "WJPAD" series generally follows these parameters: | Parameter | Specification | | :--- | :--- | | **Type** | Power / Signal Interface Connector | | **Mounting Type** | Surface Mount (SMD) / Right Angle | | **Number of Pins** | Dependent on series (often 2-4 for power jacks) | | **Current Rating** | Typically 2A to 5A | | **Voltage Rating** | 12V to 24V DC | | **Contact Resistance** | ≤ 30mΩ | | **Operating Temperature** | -25°C to +85°C | --- ### 2. Functional Breakdown The part number can be broken down into specific electronic characteristics: * **WJ (Series Prefix):** Usually identifies the manufacturer's product family (e.g., Waterproof or Power Jack series). * **PAD:** Indicates the contact style or the specific footprint geometry (Pad-style mounting). * **2-101:** Internal design code representing the specific physical dimensions and pin configuration. * **-R:** Indicates **RoHS Compliance** (Restriction of Hazardous Substances) and often implies **Tape & Reel** packaging for automated pick-and-place assembly. --- ### 3. Application Use-Cases These components are commonly found in compact consumer electronics and industrial hardware: 1. **Mobile Devices:** Charging ports for tablets or handheld scanners. 2. **IoT Modules:** Power delivery interfaces for small sensor nodes. 3. **Automotive Electronics:** Internal signal routing where vertical space is limited. 4. **Network Hardware:** Low-profile power inputs for routers or modems. --- ### 4. PCB Footprint Example When integrating this part into a CAD tool (like Altium or KiCad), the footprint typically requires: ```cpp // Typical Pad Configuration for WJPAD Series - Pad 1: VCC (Positive Terminal) - Pad 2: GND (Ground/Shield) - Solder Tabs: Mechanical stability (Non-electrical) ``` ---