The **MHR24FBJ-R** is a high-precision, thick-film chip resistor typically used in surface-mount technology (SMT) applications. It is designed for reliability in electronic circuits requiring specific resistance values and tight tolerances. --- ### 1. Part Number Breakdown (Typical Naming Convention) While specific prefixes can vary by manufacturer (such as ASJ or similar vendors), the alphanumeric code generally follows this structure: | Segment | Meaning | Detail | | :--- | :--- | :--- | | **MHR** | Series Code | Metal High-Resistance or Thick Film Series. | | **24** | Case Size | Often refers to the **1210** Imperial size (3.2 x 2.5 mm). | | **F** | Tolerance | **±1%** (F-class precision). | | **BJ** | Resistance Code | Encoded value (e.g., 2.2MΩ or specific multiplier). | | **-R** | Packaging | Tape & Reel (RoHS compliant). | --- ### 2. Technical Specifications The following table outlines the general electrical characteristics of the MHR series: | Property | Specification (Typical) | | :--- | :--- | | **Resistance Range** | High Range (Often 100KΩ to several MΩ) | | **Tolerance** | ±1% | | **Temperature Coefficient** | ±100 ppm/°C to ±200 ppm/°C | | **Max Working Voltage** | 200V - 400V (depending on case size) | | **Operating Temp** | -55°C to +155°C | | **Material** | Ruthenium oxide thick film on Alumina substrate | --- ### 3. Key Features * **High Reliability:** The thick film construction provides a robust barrier against environmental stressors. * **SMD Compatibility:** Designed for automated pick-and-place assembly. * **Voltage Stability:** Capable of handling higher working voltages compared to standard general-purpose resistors. * **RoHS Compliant:** Lead-free terminations (denoted by the -R suffix). ### 4. Common Applications 1. **Power Supplies:** Used in feedback loops and sensing circuits. 2. **Consumer Electronics:** High-density PCBs in laptops and smartphones. 3. **Industrial Controls:** Signal conditioning and voltage dividers. 4. **Medical Equipment:** Precision measurement circuits. ---