STMicroelectronics

SM15T22AY

SM15T22AY Description

The SM15T22AY is a high-performance TVS diode from STMicroelectronics, designed to provide robust protection against voltage transients in electronic circuits. This automotive-grade device features a unidirectional channel, making it ideal for protecting sensitive components from voltage spikes and surges. With a peak pulse current of 254A (8/20µs) and a power rating of 1.5kW, the SM15T22AY offers excellent surge protection capabilities.

SM15T22AY Features

• Voltage Ratings: The SM15T22AY has a reverse standoff voltage of 18.8V and a clamping voltage of 39.3V at 254A peak pulse current. This ensures reliable operation within the specified voltage range.
• Peak Pulse Current: With a peak pulse current of 254A (8/20µs), the SM15T22AY can handle high surge currents, making it suitable for applications with demanding power requirements.
• Power Rating: The device has a peak pulse power rating of 1.5kW, allowing it to absorb large amounts of energy during voltage transients.
• Mounting Type: The SM15T22AY is surface-mountable, making it easy to integrate into printed circuit boards (PCBs) and other electronic assemblies.
• Package: The device is available in a compact SMC package, which is ideal for space-constrained applications.
• REACH and RoHS Compliance: The SM15T22AY is REACH unaffected and RoHS3 compliant, ensuring compliance with environmental regulations.

SM15T22AY Applications

The SM15T22AY is ideal for use in a variety of automotive and industrial applications where voltage transient protection is critical. Some specific use cases include:

1. Automotive Electronics: Protecting automotive control modules, sensors, and communication interfaces from voltage spikes and surges.
2. Industrial Control Systems: Providing protection for PLCs, motor drives, and other control equipment in industrial environments.
3. Telecommunications: Protecting communication equipment and infrastructure from voltage transients caused by lightning strikes or power line disturbances.
4. Power Supplies: Providing overvoltage protection for power supplies in various electronic devices.

Conclusion of SM15T22AY

The SM15T22AY from STMicroelectronics is a reliable and high-performance TVS diode designed for automotive and industrial applications. Its unique combination of voltage ratings, peak pulse current, and power rating make it an ideal choice for protecting sensitive electronic components from voltage transients. With its compact SMC package and surface-mount design, the SM15T22AY is easy to integrate into various electronic assemblies. Its REACH and RoHS compliance further ensures that it meets environmental regulations, making it a preferred choice for manufacturers looking for a reliable and eco-friendly solution.