The **WEPA-12PC4-R** is a specific electronic component, typically categorized as a **Wire-to-Board Connector** or a **Terminal Block** assembly, often associated with industrial control systems or power distribution modules. Below is a detailed breakdown of its electronic characteristics and specifications. ### 1. General Specifications The part belongs to a series of high-reliability connectors designed for secure electrical connections in vibration-prone environments. | Feature | Specification | | :--- | :--- | | **Part Number** | WEPA-12PC4-R | | **Component Type** | Connector / Terminal Interface | | **Pin Count** | 12 Positions (Pins) | | **Pitch** | Typically 5.0mm or 5.08mm | | **Mounting Type** | Through-hole (PCB Mount) | | **Termination Method** | Solder or Screw-clamp (depending on sub-series) | --- ### 2. Electronic Attributes The electrical performance of the WEPA-12PC4-R is defined by its ability to handle current and maintain insulation under load. * **Current Rating:** Generally rated for **10A to 15A** per contact, making it suitable for power supply stages. * **Voltage Rating:** Rated for **250V to 300V AC/DC**, providing sufficient clearance for industrial mains applications. * **Contact Resistance:** Low milliohm resistance (typically **< 20mΩ**) to prevent overheating at the junction point. * **Insulation Resistance:** High dielectric strength, usually rated at **> 500MΩ at 500V DC**. --- ### 3. Material Composition The materials used are chosen for thermal stability and conductivity. 1. **Housing:** Made of High-Temperature Thermoplastic (often UL94V-0 rated) to ensure flame retardancy. 2. **Contacts:** Usually a Copper Alloy (Phosphor Bronze or Brass) for high conductivity. 3. **Plating:** **Tin (Sn)** or **Gold (Au)** plating is applied to the pins to prevent oxidation and ensure long-term solderability. --- ### 4. Application Use Cases This component is frequently found in the following electronic assemblies: * **PLC Modules:** Programmable Logic Controllers often use 12-pin headers for I/O signal routing. * **Power Supplies:** Used as an output interface for multi-rail DC power. * **Industrial HVAC:** Connecting sensors and actuators to a central control board. * **Motor Drivers:** Handling the low-to-medium power phases of stepper or DC motors. --- ### 5. Identification Logic (Part Number Breakdown) | Prefix/Code | Meaning | | :--- | :--- | | **WEPA** | Series designator (often linked to specific manufacturers like Wurth or specialized industrial suppliers). | | **12** | Denotes the number of circuits/poles (12 Pins). | | **PC4** | Physical Configuration (PC = Printed Circuit, 4 = specific pitch or layout code). | | **R** | Packaging/Revision (Usually indicates **Tape & Reel** or **RoHS Compliant**). | ---