The ERJ6ENF4990V is a surface mount thick film chip resistor manufactured by Panasonic. It's part of the ERJ series, known for its reliability and stability in various electronic applications. This resistor is designed to provide a specific resistance value in a circuit, contributing to current limiting, voltage division, and other essential functions.

Applications

• Consumer electronics: TVs, audio equipment, and mobile devices
• Industrial automation: control systems, sensors, and motor drives
• Automotive electronics: ECU (Engine Control Unit), infotainment systems, and safety features
• Power supplies: voltage regulation and current limiting
• Medical equipment: patient monitoring and diagnostic devices

Features

• Thick film resistive element for stable performance.
• Surface mount technology (SMT) for automated assembly.
• Compact size (typically 0805) to save board space.
• High reliability and long lifespan.
• RoHS compliant, making it environmentally friendly.
• Excellent pulse withstanding characteristics.
• Precise resistance value.

Benefits

• Accurate resistance control helps maintain circuit performance.
• Small size allows for high-density board designs.
• Long lifespan minimizes maintenance and replacement costs.
• RoHS compliance means it meets environmental regulations.
• Stable performance across a range of temperatures.
• Easy to integrate into automated manufacturing processes.

Additional Details

The ERJ6ENF4990V has a resistance value of 499 Ohms with a tolerance of ±1%. These resistors are typically rated for power dissipation of 0.125W (1/8W). The temperature coefficient of resistance (TCR) is typically ±100 ppm/°C. The resistor element is made from a metal glaze, screen-printed onto a ceramic substrate. The terminals are typically solder-plated for good solderability. The compact 0805 package size facilitates high-density board layouts. This resistor is widely used for general-purpose applications where stable and reliable resistance is required. Its robust design ensures consistent performance in diverse operating conditions.