The SM4T100CA-TR from STMicroelectronics is a robust transient voltage suppressor (TVS) diode, designed to protect sensitive electronic equipment from voltage spikes and surges. This bidirectional TVS diode is particularly suitable for applications that require high reliability and surge tolerance, making it an ideal choice for a wide range of industrial, computing, and consumer electronics.

Key Features

• Stand-off Voltage: The device offers a stand-off voltage of 100V, providing a protective barrier for circuits operating at this voltage level or below.
• Peak Pulse Power: With a peak pulse power dissipation of 400W (10/1000μs), the SM4T100CA-TR can effectively clamp and withstand significant transient power spikes.
• Low Clamping Voltage: The low clamping voltage ensures that the protected components are exposed to minimal stress during surge events, enhancing their longevity.
• Bidirectional Protection: As a bidirectional TVS diode, it offers protection for both polarities of voltage transients, simplifying circuit design and reducing component count.
• Package: Enclosed in a compact DO-214AA package, also known as an SMB package, it is optimized for high-density PCB layouts.
• Compliance: The component is compliant with the RoHS and REACH regulations, ensuring environmental safety and sustainability.
• Automotive Qualification: It is AEC-Q101 qualified, making it suitable for automotive applications where reliability under harsh conditions is paramount.

Applications

The SM4T100CA-TR is versatile and can be employed in various applications including:

• Automotive systems
• Portable devices
• Power supply units
• Computers and peripherals
• Telecommunication systems

Conclusion

With its robust protection features and compliance with industry standards, the SM4T100CA-TR from STMicroelectronics is a reliable choice for designers looking to safeguard their electronic systems against voltage transients. Its ability to handle high surge power while maintaining a low clamping voltage makes it a preferred solution for a wide array of applications.