onsemi

KA278R12CTU

KA278R12CTU Description

The KA278R12CTU is a linear voltage regulator designed by onsemi, offering a fixed output voltage of 12V and a maximum output current of 2A. This regulator is housed in a TO220F-4L package, making it suitable for through-hole mounting. Despite being marked as obsolete, the KA278R12CTU remains a reliable choice for applications requiring a stable power supply. It features a maximum input voltage of 35V and a dropout voltage of only 0.5V at 2A, ensuring efficient operation even under varying load conditions. The regulator also includes comprehensive protection features such as over-current, over-temperature, over-voltage, and short-circuit protection, enhancing its reliability and durability.

KA278R12CTU Features

• Fixed Output Voltage: Provides a stable 12V output, ideal for applications requiring a consistent power supply.
• High Output Current: Capable of delivering up to 2A, making it suitable for high-current applications.
• Low Dropout Voltage: With a maximum dropout voltage of 0.5V at 2A, it ensures efficient power conversion even at lower input voltages.
• Comprehensive Protection: Features over-current, over-temperature, over-voltage, and short-circuit protection, enhancing reliability and longevity.
• Through-Hole Mounting: The TO220F-4L package is designed for through-hole mounting, providing robust mechanical stability.
• Low Quiescent Current: Consumes only 10 mA in quiescent state, minimizing power loss.
• Regulatory Compliance: Compliant with REACH and ROHS3 standards, ensuring environmental safety.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for storage and handling in various environments.

KA278R12CTU Applications

The KA278R12CTU is ideal for a variety of applications where a stable and reliable power supply is crucial. Its high output current and fixed voltage make it suitable for:

• Industrial Control Systems: Providing stable power to critical control components.
• Telecommunications Equipment: Ensuring reliable operation of communication modules.
• Consumer Electronics: Powering devices that require a consistent 12V supply.
• Automotive Electronics: Suitable for in-vehicle systems that demand high reliability and protection.
• Medical Devices: Ensuring stable power supply for critical medical equipment.

Conclusion of KA278R12CTU

The KA278R12CTU is a robust linear voltage regulator that offers a stable 12V output and a maximum current of 2A. Its low dropout voltage and comprehensive protection features make it a reliable choice for various applications. Despite being marked as obsolete, its technical specifications and performance benefits continue to make it a viable option for engineers and designers seeking a dependable power solution. The KA278R12CTU's compliance with environmental standards and its low quiescent current further enhance its appeal in modern electronic designs.