Introducing the SM6HT39A Transil™ Voltage Suppressor from STMicroelectronics

The SM6HT39A is a state-of-the-art Transil™ voltage suppressor designed by STMicroelectronics, a global semiconductor leader known for its cutting-edge technology. This robust component is specifically engineered to protect sensitive electronic equipment against voltage transients induced by system inductance, load dump, and other surge events.

Key Features of the SM6HT39A

• Transient Overvoltage Protection: With its bidirectional clamping feature, the SM6HT39A is capable of safeguarding electronic circuits from sudden overvoltage, ensuring reliable operation and longevity of the device it protects.
• High Surge Capability: This component is designed to withstand high surge events, making it an ideal choice for applications where voltage spikes are common.
• Low Leakage Current: The SM6HT39A boasts a low leakage current, which is a critical factor for maintaining energy efficiency in electronic systems.
• ISO 7637-2 & 3 Compliance: It complies with the pulse specifications outlined in ISO 7637-2 & 3, which relates to the electrical disturbances from conduction and coupling used in road vehicles, thus making it suitable for automotive applications.
• Package: Housed in an SMB (DO-214AA) package, the SM6HT39A is compact and provides a robust solution for PCB mounting.

Applications

The SM6HT39A is versatile and can be used in a variety of applications, including:

• Automotive and industrial systems where surge protection is critical
• Power supply units to prevent damage from electrical disturbances
• Consumer electronics where reliability and safety are of utmost importance

Technical Specifications

With a stand-off voltage of 39V and a maximum clamping voltage of 64.3V at 5A, the SM6HT39A is capable of handling significant surge events without compromising the protection of the components it is designed to secure. Its operating junction temperature range of -40°C to 150°C ensures stability across a wide range of environmental conditions.

In conclusion, the SM6HT39A from STMicroelectronics is a robust and reliable solution for protecting sensitive electronics from voltage transients. With its advanced features and compliance with international standards, it's an excellent choice for designers looking to enhance the durability and safety of their electronic systems.