The **RL1632R-R100-F** is a high-precision, low-resistance chip resistor primarily used for current sensing applications. It is manufactured by **Susumu**, a leader in thin-film technology. --- ### 1. Technical Specifications | Parameter | Value | Description | | :--- | :--- | :--- | | **Resistance** | 0.1 $\Omega$ (100 m$\Omega$) | The nominal resistance value. | | **Tolerance** | $\pm$ 1% (F) | The allowable variance from the nominal resistance. | | **Power Rating** | 0.5 W (1/2 Watt) | The maximum power the resistor can dissipate. | | **Case Size** | 1206 (3216 Metric) | Standard surface mount package dimensions. | | **TCR** | $\pm$ 100 ppm/°C | Temperature Coefficient of Resistance. | | **Composition** | Metal Glaze / Thin Film | High reliability and stability. | --- ### 2. Part Number Breakdown Understanding the nomenclature helps in identifying the specific properties of the component: * **RL**: Series name (Low Resistance Chip Resistor). * **1632**: Package size (1.6mm x 3.2mm, commonly referred to as 1206 in imperial). * **R**: Temperature Coefficient characteristic. * **R100**: Resistance value. "R" acts as the decimal point (0.100 $\Omega$). * **F**: Tolerance code ($\pm$ 1%). --- ### 3. Key Features and Applications #### Features * **Low Inductance:** Ideal for high-frequency circuits. * **Long-side Terminations:** (Note: In some RL series variants, the terminals are on the long side to improve heat dissipation and reduce parasitic effects). * **Thin Film Technology:** Provides better stability and lower noise compared to thick film resistors. #### Typical Applications 1. **Current Sensing:** Used in power supplies to monitor current flow by measuring the voltage drop across the resistor ($V = I \times R$). 2. **Battery Management Systems (BMS):** Monitoring charge and discharge cycles in mobile devices or EVs. 3. **DC-DC Converters:** Providing feedback for regulation circuits. 4. **Motor Control:** Detecting overcurrent conditions to protect circuitry. --- ### 4. Footprint Dimensions (1206 / 1632) | Dimension | Millimeters (mm) | | :--- | :--- | | **Length (L)** | 3.20 $\pm$ 0.20 | | **Width (W)** | 1.60 $\pm$ 0.20 | | **Thickness (T)** | 0.50 $\pm$ 0.15 | ---