The **RW3P-R10-JT** is a high-precision, power wirewound resistor manufactured by **RCD Components**. It is specifically designed for applications requiring high stability and the ability to handle significant power in a relatively small form factor. --- ### ## Technical Specifications Below are the primary electrical and physical characteristics of the RW3P-R10-JT: | Parameter | Specification | Details | | :--- | :--- | :--- | | **Series** | RW Series | Power Wirewound Resistor | | **Resistance Value** | 0.10 $\Omega$ | Indicated by "R10" | | **Tolerance** | $\pm5\%$ | Indicated by "J" | | **Power Rating** | 3 Watts | Indicated by "3P" | | **Construction** | Wirewound | Resistive wire wrapped around a ceramic core | | **Packaging** | T (Tape & Reel) | Standard automated assembly packaging | | **Coating** | Silicone/Ceramic | High-temperature protective coating | --- ### ## Component Breakdown (Part Numbering) To understand the part better, here is the nomenclature breakdown: 1. **RW**: Denotes the Series (Wirewound, general purpose power). 2. **3P**: Indicates the wattage rating (3 Watts). 3. **R10**: Represents the resistance value. The "R" acts as a decimal point ($0.10 \Omega$). 4. **J**: Represents the tolerance code ($\pm5\%$). 5. **T**: Indicates the packaging method (Tape and Reel). --- ### ## Key Features & Applications ### ### Features * **High Power-to-Size Ratio:** Capable of dissipating 3W of heat despite its compact size. * **Low Resistance:** At $0.10 \Omega$, it is ideal for current sensing. * **High Temperature Stability:** Wirewound construction allows for operation in harsh environments with minimal resistance drift. * **Durability:** Excellent surge handling capabilities compared to film resistors. ### ### Typical Applications * **Current Sensing:** Used in power supplies to monitor current flow. * **Power Shunts:** Diverting current in high-power circuits. * **Voltage Division:** In high-wattage power management modules. * **Motor Control:** Handling the initial surge currents in small motors. --- ### ## Installation Notes When using the RW3P-R10-JT, ensure there is adequate **PCB trace width** and **airflow**. Because this is a 3W resistor, it can generate significant heat at full load, which may affect neighboring components if not properly spaced.