STMicroelectronics

SM6T18AY

SM6T18AY Description

The SM6T18AY is a high-performance TVS diode from STMicroelectronics, designed to provide efficient transient voltage suppression in automotive applications. This single-channel, surface-mount device features a peak pulse current of 123A (8/20µs) and a power rating of 600W, making it suitable for protecting sensitive electronic components from voltage spikes and surges. With a reverse standoff voltage of 15.3V and a maximum clamping voltage of 32.5V at Ipp, the SM6T18AY offers reliable protection in various automotive electrical systems.

SM6T18AY Features

• Technical Specifications:

  • Current - Peak Pulse (10/1000µs): 123A (8/20µs)
  • Voltage - Breakdown (Min): 17.1V
  • Power - Peak Pulse: 600W
  • Voltage - Clamping (Max) @ Ipp: 32.5V
  • Voltage - Reverse Standoff (Typ): 15.3V
  • Unidirectional Channels: 1
  • Mounting Type: Surface Mount
  • Series: SM6TY, TRANSIL™
  • Type: Zener
  • Package: Tape & Reel (TR)
  • Base Product Number: SM6T18

• Performance Benefits:

  • Automotive-grade protection with a moisture sensitivity level (MSL) of 1 (unlimited)
  • REACH unaffected status, ensuring compliance with European environmental regulations
  • RoHS3 compliant, adhering to the latest RoHS directives
  • No power line protection required, simplifying circuit design

• Unique Advantages:

  • High peak pulse current and power rating for robust transient voltage suppression
  • Low reverse standoff voltage for efficient protection in automotive electrical systems
  • Surface-mount design for easy integration into compact automotive electronics

SM6T18AY Applications

The SM6T18AY is ideal for various automotive applications where reliable voltage protection is critical. Some specific use cases include:

1. In-vehicle Infotainment Systems: Protecting sensitive electronic components from voltage spikes and surges in infotainment systems.
2. Power Distribution Units: Ensuring stable power supply to various automotive electronics by suppressing voltage transients.
3. Sensors and Actuators: Providing protection for automotive sensors and actuators against voltage fluctuations and transients.
4. Battery Management Systems: Safeguarding battery management systems from voltage spikes and surges during charging and discharging cycles.

Conclusion of SM6T18AY

The SM6T18AY from STMicroelectronics is a robust and reliable TVS diode designed for automotive applications. Its high peak pulse current, low reverse standoff voltage, and automotive-grade protection make it an ideal choice for protecting sensitive electronic components from voltage transients. With its unique features and advantages, the SM6T18AY offers a cost-effective and efficient solution for ensuring the reliability and longevity of automotive electronics.