STMicroelectronics

SM15T39A

SM15T39A Description

The SM15T39A is a Zener diode from STMicroelectronics, specifically designed for general-purpose applications. It is part of the SM15T series and is known for its robust performance and reliability. This TVS diode is engineered to protect sensitive electronic circuits from voltage transients and surges, ensuring their longevity and stability.

SM15T39A Features

• Voltage Specifications: The SM15T39A boasts a reverse standoff voltage of 33.3V and a maximum clamping voltage of 69.7V at peak pulse current, providing effective voltage regulation and surge protection.
• Peak Pulse Current: It can handle a peak pulse current of 143A (8/20µs), which is crucial for managing transient voltages without compromising the integrity of the circuit.
• Power Handling: With a peak pulse power rating of 1500W (1.5kW), the SM15T39A is capable of dissipating high-energy transients without damage.
• Mounting Type: The surface mount design allows for easy integration into printed circuit boards, optimizing space and enhancing manufacturing efficiency.
• Package: Supplied in a SMC package, the SM15T39A is suitable for automated assembly processes, reducing costs and improving production throughput.
• Regulatory Compliance: It is classified as EAR99, indicating that it is not subject to export controls, and is compliant with the REACH regulation, ensuring environmental safety.
• Moisture Sensitivity Level: With an MSL of 1, the SM15T39A is not sensitive to moisture, which is beneficial for applications in high-humidity environments.

SM15T39A Applications

The SM15T39A is ideal for a variety of applications where voltage regulation and surge protection are paramount. Some specific use cases include:

• Automotive Electronics: Protecting control units and sensors from voltage spikes caused by ignition systems or alternator surges.
• Industrial Control Systems: Safeguarding PLCs and motor drives from power line disturbances and transient voltages.
• Telecommunications: Securing network equipment from voltage fluctuations and lightning-induced surges.
• Consumer Electronics: Ensuring the reliability of power supplies and sensitive components in home appliances and personal devices.

Conclusion of SM15T39A

The SM15T39A from STMicroelectronics stands out for its ability to provide robust voltage regulation and surge protection in a compact SMC package. Its high peak pulse current and power handling capabilities, combined with its surface mount design, make it a versatile choice for a wide range of applications. The SM15T39A's compliance with international regulations and its moisture insensitive nature further enhance its appeal, making it a reliable component for protecting electronic circuits in various environments.