STMicroelectronics

SM30T28AY

SM30T28AY Description

The SM30T28AY is a high-performance TVS diode designed and manufactured by STMicroelectronics. It is part of the SM30TY, TRANSIL™ series and is specifically designed for automotive applications. This Zener diode offers excellent protection against voltage transients and surges, making it ideal for various electronic devices in the automotive industry.

SM30T28AY Features

• Technical Specifications:

  • Current - Peak Pulse (10/1000µs): 77.1A
  • Voltage - Breakdown (Min): 26.7V
  • Power - Peak Pulse: 3000W (3kW)
  • Voltage - Clamping (Max) @ Ipp: 38.9V
  • Voltage - Reverse Standoff (Typ): 24V
  • Unidirectional Channels: 1
  • Mounting Type: Surface Mount
  • Package: SMC (Surface Mountable Chip)

• Performance Benefits:

  • Robust Protection: The SM30T28AY provides robust protection against voltage transients and surges, ensuring the reliability and longevity of connected electronic devices.
  • High Power Handling: With a peak pulse power of 3000W, this TVS diode can handle high-energy transients without compromising its performance.
  • Low Clamping Voltage: The low clamping voltage of 38.9V ensures minimal voltage drop across the diode during normal operation, reducing power loss and improving efficiency.

• Unique Features and Advantages:

  • Automotive Grade: Designed specifically for automotive applications, the SM30T28AY meets the stringent requirements of the automotive industry.
  • REACH Unaffected: Compliant with the European REACH regulation, ensuring environmental safety and sustainability.
  • RoHS3 Compliant: Adheres to the RoHS directive, making it suitable for environmentally friendly applications.
  • Moisture Sensitivity Level (MSL) 1: Allows for unlimited storage time before reflow soldering, providing flexibility in manufacturing processes.

SM30T28AY Applications

The SM30T28AY is ideal for various automotive applications where voltage transient protection is critical. Some specific use cases include:

1. Infotainment Systems: Protecting sensitive electronic components from voltage spikes and surges.
2. Power Train Control: Ensuring reliable operation of power train control systems by safeguarding against voltage transients.
3. Sensors and Actuators: Providing protection for various sensors and actuators in the automotive system, ensuring accurate and reliable performance.
4. Communication Interfaces: Protecting communication interfaces from voltage transients, ensuring seamless data transmission.

Conclusion of SM30T28AY

The SM30T28AY is a high-performance TVS diode designed for automotive applications. Its robust protection, high power handling, and low clamping voltage make it an ideal choice for protecting sensitive electronic components in vehicles. With its automotive-grade design, REACH unaffected status, and RoHS3 compliance, the SM30T28AY is a reliable and environmentally friendly solution for voltage transient protection in the automotive industry.