STMicroelectronics SM15T27AY Transil™ TVS Diode

The SM15T27AY is a robust Transil™ transient voltage suppressor (TVS) diode designed by STMicroelectronics specifically to protect sensitive electronic equipment against voltage transients induced by system inductive load switching and lightning disruptions. This high-performance device is a part of ST's SM15T series, which is renowned for its ability to safeguard circuits by clamping the unwanted high-energy transient voltages to a level that the circuit can tolerate.

Key Features

• Stand-off Voltage: The SM15T27AY has a stand-off voltage of 27V, making it suitable for a wide range of applications that require this level of protection.
• Peak Pulse Power: It offers an impressive peak pulse power dissipation of 1500W (10/1000μs surge), ensuring reliable protection against high energy transients.
• Low Clamping Voltage: The low clamping voltage of this device minimizes stress on the protected circuit component during a transient voltage event.
• Bidirectional Device: As a bidirectional TVS diode, the SM15T27AY can protect circuits from surges that may occur in both directions along the protected line.
• Package: Packaged in an SMB (DO-214AA) format, it is compact and suitable for surface mount technology, facilitating easy integration into a wide variety of applications.
• Compliance: It meets the ISO 7637-2 and ISO 16750-2 standards for automotive applications, ensuring reliability and performance in harsh environments.

Applications

The SM15T27AY is ideal for protecting voltage sensitive components in a variety of applications, including:

• Automotive control units
• Industrial systems
• Power supply devices
• Telecommunication systems
• Computer interfaces
• Other electronic equipment exposed to transient over-voltages

With its ability to handle high transient power and its compliance with critical industry standards, the SM15T27AY from STMicroelectronics is a trusted choice for engineers looking to enhance the durability and reliability of their electronic systems against voltage transients.