The SOMC1603-472G is a thick film resistor chip array manufactured by Vishay. These arrays offer multiple resistor elements in a single surface mount package, which saves space on the board and simplifies the assembly process. The '1603' represents the component’s physical size and conforms to the standard EIA 1603 chip size.
Applications:
- Voltage Dividers: Used for creating precise voltage references and scaling down voltage levels for measurements.
- Current Sensing: Used in circuits that monitor the flow of current by measuring the voltage drop across a resistor.
- Pull-up/Pull-down Resistors: Define the default logic state of digital inputs.
- Filters: Integrated into analog filters for shaping the frequency response.
- Amplifiers: Employed in amplifier circuits for gain setting.
Features:
- Multiple Resistors: Contains multiple resistor elements in one SOMC package.
- Thick Film Technology: Utilizes thick film resistive elements providing a stable and reliable performance.
- Surface Mount Design: Designed for automated assembly.
- Compact Size: Offers a space-saving design making it suitable for high-density boards.
- RoHS Compliant: Meets environmental standards by restricting hazardous substances.
Benefits:
- Space Optimization: Reduces board space by integrating multiple resistors into a single package.
- Assembly Efficiency: Simplifies assembly and reduces manufacturing costs.
- Enhanced Reliability: Fewer solder joints reduce the chances of failure.
- Cost Savings: Integrating design lowers overall component and assembly expenses.
- Improved Performance: Ensures accuracy and stability in circuits by closely matching resistor elements within the array.
The ‘472G’ indicates the resistance value, where ‘472’ represents 47 x 10^2 ohms, resulting in 4.7 kOhms. The ‘G’ suffix indicates a tolerance of ±2%. This series of resistors are manufactured using a high-quality thick film process offering excellent stability and reliability. The SOMC1603-472G is designed for automated placement and soldering, making it ideal for high-volume production environments. It offers a power rating suitable for general-purpose applications. The operating temperature typically ranges from -55°C to +155°C. The terminals are usually tin-plated, providing excellent solderability. The Vishay SOMC series has various resistance values and tolerance options to meet various circuit requirements.