The **PCC-SMP-U-100-R** is a specialized electronic component primarily used in temperature measurement systems. It is a surface-mount connector designed for thermocouples. ### 1. Component Overview This part belongs to the **PCC Series** manufactured by companies like Omega Engineering. It is designed to allow a thermocouple probe to be plugged directly into a Printed Circuit Board (PCB). | Feature | Specification | | :--- | :--- | | **Type** | Miniature Thermocouple Connector | | **Mounting Type** | SMT (Surface Mount Technology) | | **Calibration Type** | Type U (Uncompensated/Copper) | | **Pin Shape** | Flat, miniature size | | **Orientation** | Right-angle / Horizontal | --- ### 2. Key Electronic Features #### A. Type U Calibration The "U" in the part number signifies **Uncompensated**. * Unlike Type K or Type J connectors which use specific thermocouple alloys (Chromel/Alumel), Type U uses **Copper** contacts. * It is typically used for **RTDs (Resistance Temperature Detectors)** or for Type B thermocouples where compensation is not required at the connector level. #### B. SMT Design The "SMP" indicates it is a surface-mount part. * It features metal tabs/pads that are soldered directly onto the surface of the PCB. * It often includes a **plastic mounting peg** (indicated by the "-R" or similar suffixes in some series) to provide mechanical stability and ensure the connector doesn't snap off the board when a probe is inserted. #### C. Transistor Retaining Clip Many versions of the PCC series include a small nickel-plated clip. This clip acts as a mechanical restraint to hold the miniature thermocouple plug securely in place, preventing signal loss due to vibration. --- ### 3. Physical Dimensions and Materials * **Body Material:** High-quality Glass-filled Nylon, capable of withstanding high temperatures during the IR reflow soldering process (usually rated up to ~220°C - 260°C). * **Contact Material:** Copper (for Type U). * **Size:** Miniature format (Standard for most handheld digital thermometers). --- ### 4. Common Applications 1. **Handheld Thermometers:** Internal PCB interface for external probes. 2. **Data Loggers:** Multi-channel temperature recording devices. 3. **Industrial Controllers:** Connecting sensors to a localized control board.