## Overview of PCC-SMP-T-100-R The **PCC-SMP-T-100-R** is a high-precision, subminiature thermocouple connector designed for printed circuit board (PCB) mounting. It is manufactured by **Omega Engineering** and is specifically engineered to provide a seamless interface between thermocouple wires and electronic monitoring circuits. --- ### Technical Specifications | Feature | Description | | :--- | :--- | | **Thermocouple Type** | Type T (Copper/Constantan) | | **Connector Type** | SMP (Subminiature) | | **Mounting Style** | PCB Mount (Horizontal/Vertical options available) | | **Body Material** | Glass-filled Nylon | | **Temperature Rating** | Up to 220°C (425°F) | | **Color Code** | Blue (Standard for Type T) | | **Terminal Type** | Solder Pins (for direct PCB integration) | --- ### Key Electronic Components & Materials The "electronic" functionality of this part relies on its metallurgical properties rather than active circuitry. Below are the critical material components: #### 1. Thermocouple Alloy Pins To prevent **Cold Junction** errors (parasitic EMF), the pins are made of the actual thermocouple alloys: * **Positive Terminal (+):** Copper * **Negative Terminal (-):** Constantan (Copper-Nickel alloy) #### 2. Solder Pins The underside of the connector features pins designed for wave soldering or hand soldering onto a PCB. These pins are typically nickel-plated or gold-plated over the base alloy to ensure good solderability while maintaining the thermal gradient integrity. #### 3. Cold Junction Compensation (CJC) Space The design of the PCC series often includes a small hollow area or specific physical layout to allow a **Thermistor** or **RTD** to be placed in close proximity to the connector terminals on the PCB. This allows the electronic system to measure the temperature at the connection point for accurate compensation. --- ### Application in Circuitry When integrating the PCC-SMP-T-100-R into a design, it usually interfaces with the following electronic stages: 1. **Input Protection:** Resistors and capacitors to filter out electromagnetic interference (EMI). 2. **Analog Front End (AFE):** A high-impedance instrumentation amplifier (e.g., AD8495 or MAX31855). 3. **Cold Junction Sensor:** A digital temperature sensor placed near the connector to adjust the voltage-to-temperature calculation. --- ### Dimensional Data * **Size:** Compact footprint (approx. 12.7mm x 19mm). * **Pin Spacing:** Designed to fit standard 2.54mm (0.1") grid patterns common in PCB manufacturing. * **Transistor Clip:** Often includes a mounting clip to secure the connector to the board against mechanical vibration. ---