The SM4T47AY from STMicroelectronics is a state-of-the-art Transil™ diode designed to provide robust protection for sensitive electronics against voltage transients induced by system inductance or by external events such as lightning strikes and electrical fast transients. This component is an integral part of any circuitry where reliability and safety are top priorities.

Key Features

• Stand-off Voltage: The SM4T47AY boasts a stand-off voltage of 47V, making it suitable for a variety of applications that require a high level of protection against overvoltage conditions.
• Peak Pulse Power: With a peak pulse power dissipation of 400W (10/1000μs), this Transil™ diode can handle significant power surges, ensuring the protection of downstream components.
• Low Clamping Voltage: The low clamping voltage of this device ensures that the voltage spike is suppressed to a level that electronics can tolerate without sustaining damage.
• Fast Response Time: The diode's fast response time is critical in protecting sensitive circuits from fast-rising transients that can cause immediate damage.
• Unidirectional Device: As a unidirectional device, the SM4T47AY is optimized for scenarios where the threat of overvoltage is predominantly in one direction.

Applications

The SM4T47AY is ideal for protecting sensitive equipment in a range of applications, including:

• Power supply lines
• Computer systems
• Telecommunication systems
• Industrial electronics
• Consumer electronics

Quality and Reliability

Constructed with the quality and reliability synonymous with STMicroelectronics, the SM4T47AY meets stringent industry standards for performance. It is housed in a DO-214AA package, which not only offers mechanical robustness but also facilitates easy integration into existing designs. Users can trust this Transil™ diode to provide consistent overvoltage protection, ensuring the longevity and reliability of their electronic products.