The **RL1632H-R080G** is a high-precision, low-resistance chip resistor commonly used for current sensing applications. It is manufactured by **Susumu**, a leader in thin-film technology. --- ### 1. Key Technical Specifications The part number follows a specific nomenclature that defines its electrical characteristics: | Parameter | Specification | Description | | :--- | :--- | :--- | | **Series** | RL1632 | Package size and series type | | **Resistance Value** | 80 mΩ (0.080 Ω) | Represented by "R080" | | **Tolerance** | ±2% | Represented by "G" | | **Power Rating** | 0.5W (1/2 Watt) | Rated at 70°C | | **Package Size** | 1206 (3.2 x 1.6 mm) | Standard surface mount dimensions | | **Temperature Coefficient** | ±100 ppm/°C | Stability over temperature changes | --- ### 2. Core Features * **Thin-Film Technology:** Unlike standard thick-film resistors, this component uses thin-film deposition, providing better stability, lower noise, and tighter tolerances. * **Long-side Terminal:** The "H" in the series often refers to the terminal configuration. High-power handling is improved because the terminals are located on the long sides of the rectangular body, allowing for better heat dissipation and lower parasitic inductance. * **Current Sensing:** Because the resistance is very low (80 mΩ), it is specifically designed to measure current flow by monitoring the voltage drop across the resistor ($V = I \times R$). --- ### 3. Application Use Cases This component is typically found in power management circuits where efficiency and monitoring are critical: 1. **Battery Management Systems (BMS):** Monitoring the charge and discharge rates of Li-ion batteries. 2. **DC-DC Converters:** Used in the feedback loop to regulate output current. 3. **Motor Control:** Detecting over-current conditions to protect the motor and driver. 4. **Mobile Devices:** Managing power distribution in smartphones and tablets. --- ### 4. Part Number Breakdown ```text RL 1632 H - R080 G | | | | | | | | | +-- Tolerance (G = ±2%) | | | +------ Resistance (R080 = 0.080 Ohms) | | +-------------- High Power / Terminal Type | +------------------ Size (1.6mm x 3.2mm) +----------------------- Low Resistance Chip Resistor Series ```