The RWR74S4750FRS73 is a precision wirewound resistor manufactured by Vishay. These resistors are known for their high stability, low temperature coefficient, and high power rating, making them suitable for demanding applications that require accurate and reliable resistance values. They are commonly used in precision instrumentation, high-power circuits, and other applications where performance is critical.

Applications

• Precision instrumentation: Used in multimeters, oscilloscopes, and other test and measurement equipment.
• High-power circuits: Current sensing, load resistors, and other high-power applications.
• Audio amplifiers: Ensuring precise gain and stable performance in audio circuits.
• Power supplies: Providing accurate current limiting and voltage division in power supplies.
• Aerospace and defense: Used in critical applications requiring high reliability and stability.

Features

• High stability: Maintains resistance value over time and temperature.
• Low temperature coefficient: Minimal change in resistance value with temperature variations.
• High power rating: Capable of dissipating significant power without degradation.
• Wirewound construction: Provides precise and stable resistance values.
• Flameproof coating: Enhances safety by preventing combustion in case of overload.

Benefits

• Accurate measurements: Provides reliable and accurate resistance values for precise measurements.
• Stable performance: Maintains performance over a wide range of operating conditions.
• High reliability: Designed for long-term reliability and stability.
• Safe operation: Flameproof coating enhances safety in case of overload conditions.
• Wide range of applications: Suitable for various demanding applications requiring precision and stability.

Technical Specifications

The RWR74S4750FRS73 resistor has a resistance value of 475 ohms. The power rating and tolerance are indicated by the part number suffix (FRS73), and specific values can be found in the Vishay datasheet. They typically have a very low temperature coefficient (TCR) and excellent long-term stability.