The SM4T26AY is a high-performance Transil™ diode from STMicroelectronics, designed to provide state-of-the-art overvoltage protection for electronic devices. This transient voltage suppressor (TVS) is specifically engineered to protect sensitive electronics from voltage spikes and surges that can occur due to sudden power disturbances, electrostatic discharge, or lightning strikes.

Key Features

• Stand-off Voltage: The device has a stand-off voltage of 26V, making it suitable for a variety of applications that require this level of voltage protection.
• Peak Pulse Power: It can handle a peak pulse power of 400W (10/1000 µs), ensuring reliable protection against transient voltage spikes.
• Low Clamping Voltage: With its low clamping voltage, the SM4T26AY minimizes stress on the protected component during a surge event.
• Fast Response Time: The diode's fast response time ensures quick activation upon detecting an overvoltage, providing immediate protection to the circuit.
• Low Leakage Current: The low leakage current of the device helps to maintain energy efficiency in the application it is used in.
• Package: Available in an SMA package, the SM4T26AY is compact and suitable for high-density board installations.
• Compliance: The product meets the IEC 61000-4-2 and IEC 61000-4-5 standards, ensuring compatibility with industry regulations for electromagnetic compatibility (EMC).

Applications

The SM4T26AY is ideal for protecting voltage-sensitive components in a variety of applications, including:

• Power supply circuits
• Automotive electronics
• Telecommunication systems
• Industrial control systems
• Consumer electronics

With its robust construction and reliable performance, the SM4T26AY from STMicroelectronics is an excellent choice for designers looking to enhance the overvoltage protection in their electronic designs. Its combination of features ensures that it can provide the necessary defense against electrical transients, helping to extend the lifespan of the end product and maintain its functionality under harsh electrical conditions.