STMicroelectronics

SM4T33AY

SM4T33AY Description

The SM4T33AY is a high-performance TVS diode from STMicroelectronics, designed for automotive applications. It offers excellent protection against transient voltages and surges, making it ideal for various electronic systems. With a peak pulse current of 39A (8/20µs) and a power rating of 400W, the SM4T33AY provides robust protection for sensitive components.

SM4T33AY Features

• Voltage Breakdown (Min): 31.1V
• Voltage Clamping (Max) @ Ipp: 59V
• Voltage Reverse Standoff (Typ): 28V
• Unidirectional Channels: 1
• Series: SM4TY, TRANSIL™
• Type: Zener
• Mounting Type: Surface Mount
• Package: Tape & Reel (TR)
• Base Product Number: SM4T33
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• ECCN: EAR99
• Grade: Automotive
• HTSUS: 8541.10.0080
• Power Line Protection: No

SM4T33AY Applications

The SM4T33AY is ideal for use in automotive applications where high reliability and robust protection against voltage transients are required. Some specific use cases include:

1. Automotive Infotainment Systems: Protecting sensitive electronic components from voltage spikes and surges.
2. Power Distribution Systems: Providing overvoltage protection for power distribution networks in vehicles.
3. Sensors and Actuators: Ensuring reliable operation of sensors and actuators by protecting them from voltage transients.
4. Communication Interfaces: Protecting communication interfaces from voltage surges and electrostatic discharge (ESD) events.

Conclusion of SM4T33AY

The SM4T33AY from STMicroelectronics is a reliable and high-performance TVS diode designed for automotive applications. Its unique features, such as a low voltage breakdown, high peak pulse current, and excellent clamping voltage, make it an ideal choice for protecting sensitive electronic components from voltage transients and surges. With its automotive-grade rating and compliance with REACH and RoHS regulations, the SM4T33AY is a trusted solution for ensuring the safety and reliability of automotive electronic systems.