STMicroelectronics SM6T33A Transil™ TVS Diode

The SM6T33A from STMicroelectronics is a Transil™ transient voltage suppression (TVS) diode designed to protect sensitive electronic equipment from voltage transients induced by load dump and other transient voltage events. This high-performance device is tailored for applications requiring a high level of protection and reliability.

Key Features

• Stand-off Voltage: The SM6T33A has a stand-off voltage of 33 V, which makes it suitable for a range of applications where this level of voltage protection is required.
• Peak Pulse Power Dissipation: With a peak pulse power dissipation of 600 W (10/1000 µs surge), the SM6T33A can safely absorb significant transient energy without damage.
• Low Clamping Voltage: The device offers a low clamping voltage, which ensures that sensitive components downstream are protected from transient overvoltages.
• Fast Response Time: The fast response time of the SM6T33A ensures that it reacts quickly to transient events, providing immediate protection to the circuit.
• Operating Temperature Range: It operates effectively over a wide temperature range from -40°C to +150°C, making it suitable for harsh environments.
• Package: Available in a molded plastic, over glass passivated junction, the SM6T33A is offered in an SMB (DO-214AA) package, which is designed for optimal PCB space utilization.

Applications

The SM6T33A is ideal for protecting voltage-sensitive components in a variety of applications, including:

• Automotive systems
• Industrial applications
• Power supply devices
• Telecommunication systems
• Consumer electronics

Compliance and Certification

This TVS diode is compliant with the following standards:

• IEC 61000-4-2 for Electrostatic Discharge (ESD)
• IEC 61000-4-4 for Electrical Fast Transients (EFT)
• IEC 61000-4-5 for Surge immunity test

The SM6T33A is a robust and reliable solution for circuit protection in demanding environments, ensuring the longevity and stability of your electronic systems.