The RM12FTN49R9 is a thick film chip resistor from TA-I Technology Co., Ltd. belonging to the RM series. The '49R9' indicates a resistance value of 49.9 ohms. This type of resistor is widely used in surface mount applications due to its small size and ease of integration into automated assembly lines. Thick film resistors are known for their reliability and stability in various electronic circuits.

Applications

• Consumer Electronics: Commonly used in audio circuits, power supplies, and display panels in devices like smartphones, tablets, and televisions.
• Industrial Automation: Found in motor control circuits, sensor interfaces, and programmable logic controllers (PLCs) for precise current limiting and voltage division.
• Power Supplies: Utilized in voltage regulators, current limiters, and overvoltage protection circuits in both linear and switching power supplies.
• Automotive Electronics: Integrated into engine control units (ECUs), lighting systems, and infotainment systems for reliable performance in harsh environments.
• Medical Devices: Employed in patient monitoring systems, diagnostic equipment, and therapeutic devices where accuracy and stability are critical.

Features

• Thick Film Construction: Offers excellent stability, low temperature coefficient, and high reliability.
• Surface Mount Technology (SMT): Facilitates automated assembly, reducing manufacturing costs and improving production efficiency.
• Compact Size: Enables high-density circuit designs, allowing for miniaturization of electronic devices.
• Precise Resistance Value: Provides accurate resistance, ensuring optimal circuit performance.
• RoHS Compliant: Meets environmental standards, reducing the use of hazardous substances.

Benefits

• Consistent Performance: Delivers stable resistance values over a wide range of operating temperatures and conditions.
• Efficient Assembly: Reduces manufacturing time and costs through automated placement and soldering.
• Space Savings: Allows for smaller and more compact electronic devices.
• Accurate Circuit Control: Ensures precise voltage and current regulation, optimizing circuit performance.
• Environmentally Responsible: Reduces the environmental impact of electronic products through RoHS compliance.

Additional Details

The RM12FTN49R9 typically features a tolerance of 1% or 5%, depending on the grade. Its power rating is generally 1/4W or 1/8W. The operating temperature range commonly spans from -55°C to +155°C. The resistors are supplied in tape and reel packaging for automated pick-and-place assembly. They consist of a ceramic substrate, a thick film resistive element, and protective coatings. The terminations are made of a solderable material for secure and reliable connections.