The **FCR-H0-R** is an electronic component part number typically associated with **SMD (Surface Mount Device) Fixed Resistors**, specifically manufactured by companies like **ROHM Semiconductor**. Below is a detailed breakdown of its electronic characteristics and specifications. --- ## 1. Component Identification The part number follows a specific nomenclature that defines its physical and electrical attributes. | Feature | Description | | :--- | :--- | | **Series** | **FCR** (High power / General purpose thick film) | | **Size Code** | **H0** (Standard EIA 0805 metric or similar power rating class) | | **Tolerance/Value** | **-R** (Indicates a Jumper or specific resistance range indicator) | | **Mounting Type** | SMD / SMT (Surface Mount Technology) | --- ## 2. Technical Specifications Thick film resistors of this series generally share the following electronic properties: ### Electrical Characteristics * **Power Rating:** Typically **0.125W (1/8W)** to **0.25W** depending on the specific package size. * **Operating Voltage:** Usually rated up to **150V - 200V** max. * **Temperature Coefficient (TCR):** ±100ppm/°C to ±400ppm/°C. * **Operating Temperature:** Range from **-55°C to +155°C**. ### Physical Construction 1. **Substrate:** High-purity Alumina (Ceramic). 2. **Resistive Element:** Metal glaze (Thick film). 3. **Protective Coating:** Glass or Epoxy resin for environmental protection. 4. **Terminations:** Solder-plated (typically Matte Tin over Nickel) for excellent solderability. --- ## 3. Typical Applications These parts are "workhorse" components used in high-volume electronics for: * **Current Limiting:** Protecting LEDs or sensitive IC pins. * **Voltage Division:** Creating specific reference voltages. * **Pull-up/Pull-down:** Ensuring stable logic levels in digital circuits. * **Consumer Electronics:** Found in smartphones, laptops, and household appliances. --- ## 4. Key Advantages * **Compact Size:** The "H0" footprint allows for high-density PCB layouts. * **Reliability:** Thick film technology is highly stable against mechanical stress and environmental factors. * **Automated Assembly:** Designed for high-speed pick-and-place machines and reflow soldering. ---