The RC0402JR-074K3 is a thick film chip resistor manufactured by Yageo. It is a surface mount resistor commonly used in a wide range of electronic circuits for current limiting, voltage division, and pull-up/pull-down applications. The '0402' denotes the size of the resistor.

Applications:

• Current Limiting: Used to limit current flow in LED circuits and other sensitive components.
• Voltage Division: Employed in voltage divider networks to provide a specific voltage level.
• Pull-up/Pull-down Resistors: Used to define the logic state of a digital input when it is not actively driven.
• Filtering Circuits: Used in conjunction with capacitors to create simple RC filters.
• General Circuit Protection: Used to protect circuits from overcurrent conditions.

Features:

• Thick Film Resistor: Constructed using thick film technology for stability and reliability.
• Surface Mount Device (SMD): Designed for surface mount assembly, suitable for automated manufacturing.
• Small Size: 0402 package size allows for use in compact electronic devices.
• High Reliability: Yageo resistors are known for their consistent and reliable performance.
• RoHS Compliant: Typically RoHS compliant, meeting environmental regulations.

Benefits:

• Compact Design: Small footprint allows for high-density circuit designs.
• Accurate Resistance Value: Provides a precise resistance value of 4.3 kΩ.
• Stable Performance: Maintains stable performance over a wide range of operating conditions.
• Easy Assembly: Designed for automated surface mount assembly.
• Cost-Effective: Provides a cost-effective solution for general-purpose resistance applications.

Additional Details:

The RC0402JR-074K3 has a resistance value of 4.3 kΩ (4300 ohms) and a tolerance of 5% (indicated by the 'J' in the part number). The power rating is typically 1/16W (0.0625W). It is a surface mount resistor with dimensions of 0.04 inches x 0.02 inches (0402 package). Refer to the Yageo datasheet for detailed specifications, including temperature coefficient of resistance (TCR), voltage rating, and soldering profile recommendations. Proper handling and storage are important to maintain the resistor's integrity. It should be stored in a dry environment to prevent oxidation of the terminals.