RC0603FR-0749R9L

The RC0603FR-0749R9L is a surface-mount resistor manufactured by Yageo, a well-known company in the electronic components industry. This specific resistor belongs to the 0603 package size, which measures approximately 1.6 mm x 0.8 mm (0.063 in x 0.031 in).

Key Features:

1. Resistance Value: The resistor has a nominal resistance of 49.9 ohms, which is indicated by the "49R9" in its part number. This value is crucial for applications requiring precise resistance for current limiting, voltage division, or signal conditioning.

2. Tolerance: The "F" in the part number signifies a tolerance of ±1%. This means that the actual resistance can vary by 1% above or below the nominal value, ensuring a reliable performance in various electronic circuits.

3. Power Rating: The RC0603FR-0749R9L is rated for a power dissipation of 1/10 watt (0.1W). This rating indicates the maximum amount of power the resistor can handle without overheating, making it suitable for low-power applications.

4. Temperature Coefficient: The resistor has a temperature coefficient of ±100 ppm/°C, which indicates how much the resistance value can change with temperature variations. This feature is important for maintaining performance in environments with fluctuating temperatures.

5. Construction: As a thin-film resistor, it is constructed using a thin layer of resistive material deposited on a ceramic substrate. This construction method provides excellent stability, low noise, and high precision.

6. Applications: The RC0603FR-0749R9L is commonly used in various electronic applications, including consumer electronics, telecommunications, automotive electronics, and industrial equipment. Its small size and reliable performance make it ideal for compact circuit designs.

7. RoHS Compliance: The resistor is RoHS compliant, meaning it is free from hazardous substances such as lead, mercury, and cadmium, making it environmentally friendly and suitable for use in modern electronic devices.

Summary:

In summary, the RC0603FR-0749R9L from Yageo is a high-quality, surface-mount resistor with a resistance value of 49.9 ohms, a tolerance of ±1%, and a power rating of 0.1W. Its compact 0603 package size, combined with its reliable performance characteristics, makes it an excellent choice for a wide range of electronic applications.