The **MFC2010-R002DT5** is a high-precision, surface-mount **Current Sense Resistor** (Shunt Resistor) manufactured by **Susumu**. It belongs to the MFC series, known for its metal foil construction and long-side terminal design. --- ### ## Technical Specifications Below is a summary of the core electrical and physical parameters for this specific part: | Parameter | Specification | Details | | :--- | :--- | :--- | | **Resistance Value** | 2 mΩ (0.002 Ω) | Indicated by "R002" in the part number | | **Tolerance** | ±0.5% | Indicated by "D" | | **Power Rating** | 1.0 Watt | High power handling for its size | | **TCR** | ±50 ppm/°C | Temperature Coefficient of Resistance | | **Case Size** | 2010 (5025 Metric) | 5.0mm x 2.5mm | | **Material** | Metal Foil | High stability and low noise | | **Operating Temp** | -55°C to +155°C | Industrial/Automotive grade range | --- ### ## Key Features 1. **Long-Side Terminal Construction:** The terminals are located on the longer sides of the rectangular body. This design significantly reduces the parasitic inductance and improves heat dissipation compared to traditional short-side terminal resistors. 2. **Ultra-Low Resistance:** At 2 milliohms, this component is designed to measure high current flows with minimal voltage drop and power loss (I²R loss). 3. **Metal Foil Technology:** Unlike thick-film resistors, metal foil provides superior reliability, lower thermal noise, and excellent long-term stability under load. --- ### ## Application Use Cases This component is typically found in power management circuits where precise current monitoring is required: * **DC-DC Converters:** Sensing output current for feedback loops. * **Battery Management Systems (BMS):** Monitoring charge and discharge cycles in lithium-ion packs. * **Motor Control:** Detecting phase currents in industrial or automotive motors. * **Smart Chargers:** Ensuring high-efficiency power delivery. --- ### ## Part Number Breakdown | Segment | Meaning | | :--- | :--- | | **MFC** | Series Name (Metal Foil Chip) | | **2010** | Case Size (2010 Imperial / 5025 Metric) | | **R002** | Resistance Value (0.002 Ohms) | | **D** | Resistance Tolerance (±0.5%) | | **T5** | Packaging (Tape and Reel, usually 5,000 pcs) |