The SM4T15AY is a state-of-the-art Transil™ diode designed and manufactured by STMicroelectronics, a global semiconductor leader known for its innovative and reliable components. This particular diode is engineered to provide high overvoltage protection by clamping action in a compact package. It is an ideal choice for safeguarding sensitive electronics against voltage transients induced by inductive load switching and lightning surges.

Key Features

• Stand-off Voltage: With a stand-off voltage of 15V, the SM4T15AY is well-suited for a range of applications that require this level of protection.
• Peak Pulse Power: It offers an impressive peak pulse power dissipation of 400W (10/1000μs), providing robust protection against surges.
• Low Clamping Factor: The device's low clamping factor ensures that the voltage presented to the protected component remains within safe limits during transient events.
• Fast Response Time: The Transil™ diode's response time to surge events is typically less than 1 picosecond, affording immediate protection to sensitive circuits.
• Low Leakage Current: It exhibits low leakage current, minimizing power loss and ensuring energy efficiency in standby mode.

Applications

The SM4T15AY is versatile and can be used in a variety of applications, including:

• Protection of I/O Interfaces
• Computer Hard Disk Drives
• Power Supply Units
• Telecommunication Systems
• Automotive Electronics

Package and Quality

This Transil™ diode is available in an SMA package, which is not only compact but also offers excellent power dissipation characteristics. The device meets the stringent quality standards set by STMicroelectronics and is compliant with industrial specifications, ensuring reliability and performance in the most demanding environments.

Environmental Compliance

STMicroelectronics is committed to environmental sustainability. The SM4T15AY is RoHS compliant and free from hazardous substances, making it a safe choice for electronic manufacturers looking to create eco-friendly products.