STMicroelectronics

SM4T30CAY

SM4T30CAY Description

The SM4T30CAY is a high-performance TVS diode from STMicroelectronics, designed to provide robust protection against voltage transients and surges in automotive applications. This Zener diode offers a peak pulse current of 43A (8/20µs) and can handle a maximum power dissipation of 400W. With a reverse standoff voltage of 26V and a clamping voltage of 53.5V at peak pulse current, the SM4T30CAY ensures reliable protection for sensitive electronic components.

SM4T30CAY Features

• Technical Specifications:

  • Current - Peak Pulse (10/1000µs): 43A (8/20µs)
  • Voltage - Breakdown (Min): 28.9V
  • Power - Peak Pulse: 400W
  • Voltage - Clamping (Max) @ Ipp: 53.5V
  • Voltage - Reverse Standoff (Typ): 26V
  • Bidirectional Channels: 1
  • Moisture Sensitivity Level (MSL): 1 (Unlimited)

• Performance Benefits:

  • Automotive-grade protection for sensitive electronics
  • Surface-mount design for space-saving integration
  • REACH unaffected and RoHS3 compliant for environmental compliance
  • No power line protection required, simplifying circuit design

• Unique Advantages:

  • High peak pulse current capability for robust protection
  • Low reverse standoff voltage for efficient power management
  • Bidirectional protection for versatile applications

SM4T30CAY Applications

The SM4T30CAY is ideal for a wide range of automotive applications where reliable voltage protection is critical. Some specific use cases include:

1. Automotive Infotainment Systems: Protect sensitive microprocessors and memory components from voltage transients.
2. Powertrain Control Modules: Ensure reliable operation of powertrain control electronics in harsh automotive environments.
3. Sensor Protection: Provide surge protection for various sensors in automotive systems, such as temperature, pressure, and position sensors.
4. LED Lighting: Protect high-intensity LED lighting systems from voltage spikes and transients.

Conclusion of SM4T30CAY

The SM4T30CAY from STMicroelectronics is a versatile and high-performance TVS diode designed for automotive applications. Its robust technical specifications, combined with its automotive-grade protection and environmental compliance, make it an ideal choice for protecting sensitive electronic components from voltage transients and surges. With its unique advantages and wide range of applications, the SM4T30CAY is a reliable solution for ensuring the safety and reliability of automotive electronics.