AF0603FR-0749R9L

The AF0603FR-0749R9L is a surface-mount resistor manufactured by Yageo, a well-known company in the electronic components industry. This specific resistor is part of the 0603 package size, which measures approximately 1.6 mm x 0.8 mm (or 0.063 in x 0.031 in).

Key Features:

1. Resistance Value: The AF0603FR-0749R9L has a resistance value of 49.9 ohms, which is suitable for various applications requiring precise resistance.

2. Tolerance: This resistor typically has a tolerance of ±1%, meaning the actual resistance can vary by 1% from the stated value. This level of precision is important in applications where exact resistance is critical.

3. Power Rating: The power rating for this resistor is generally around 1/10 watt (0.1W), making it suitable for low-power applications. This allows it to dissipate heat effectively without damage.

4. Temperature Coefficient: The temperature coefficient is usually around 100 ppm/°C, indicating that the resistance value will change by 100 parts per million for each degree Celsius change in temperature. This feature is crucial for maintaining performance in varying thermal conditions.

5. Construction: The resistor is constructed using a thin film technology, which provides excellent stability and reliability. The thin film process allows for tighter tolerances and better performance compared to thick film resistors.

6. Applications: The AF0603FR-0749R9L is commonly used in a variety of 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: This resistor is RoHS compliant, meaning it is free from hazardous substances such as lead, cadmium, and mercury, making it environmentally friendly and suitable for use in modern electronic devices.

8. Mounting: As a surface-mount device (SMD), the AF0603FR-0749R9L is designed for automated assembly processes, allowing for efficient production and integration into printed circuit boards (PCBs).

Summary:

The AF0603FR-0749R9L from Yageo is a high-quality, surface-mount resistor that offers a resistance of 49.9 ohms with a tolerance of ±1%. Its compact 0603 size, low power rating, and excellent thermal stability make it a versatile choice for a wide range of electronic applications. With its RoHS compliance and reliable performance, it is well-suited for modern electronic designs that prioritize both efficiency and environmental responsibility.