Based on the part number provided, **OA2AA8016-R100** typically refers to a specialized **Current Sense Resistor** (often from manufacturers like Cyntec or Susumu). These components are critical for monitoring current flow in power management circuits. --- ## 1. Technical Specifications This part is a high-precision, low-resistance surface-mount component. Below are the typical electrical characteristics for this series: | Property | Specification | | :--- | :--- | | **Component Type** | Current Sense Resistor (Shunt) | | **Resistance Value** | 100 mΩ (0.1 Ohm) | | **Tolerance** | ±1% (typically indicated by the "F" or implied in the series) | | **Power Rating** | 2 Watts (Standard for the 8016/3224 size) | | **Package Size** | 8016 (Metric) / ~3224 (Imperial) | | **Technology** | Metal Alloy / Low Profile | | **Operating Temp** | -55°C to +170°C | --- ## 2. Key Features The **OA2AA** series is engineered for high-stability performance in harsh environments. * **Low TCR (Temperature Coefficient of Resistance):** Ensures that the resistance value does not drift significantly as the component heats up. * **High Power Density:** The 8016 footprint allows for 2W of power dissipation in a relatively small area. * **AEC-Q200 Qualified:** Most parts in this category are automotive grade, meaning they are tested for high vibration and thermal shock resistance. * **Metal Foil Construction:** Provides better heat dissipation and lower noise compared to thick-film resistors. --- ## 3. Circuit Application The "R100" (100mΩ) value is commonly used in the following roles: ### A. Current Monitoring By placing this resistor in series with a load, the voltage drop across it ($V = I \times R$) can be measured by an IC to determine how much current is being consumed. ### B. DC-DC Converters Used in feedback loops to prevent over-current conditions and to manage battery charging cycles. ### C. Typical Wiring Diagram ```text [ Power Source ] ----+---- [ Resistor OA2AA8016 ] ----+---- [ Load ] | | +----( To Sense Amplifier )------+ ``` --- ## 4. Part Number Breakdown (Generic) * **OA2:** Series identifier (Metal Alloy Current Sense). * **AA:** Material/Terminal code. * **8016:** Physical dimensions (8.0mm x 1.6mm). * **R100:** Resistance value ($R$ denotes the decimal point $\rightarrow$ 0.100 $\Omega$). ---