The SM4T30A is a high-performance transient voltage suppression (TVS) diode from STMicroelectronics, designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This TVS diode is part of the Transil™ series, which is well-known for its reliability and efficiency in surge protection.

Key Features

• Stand-off Voltage: The device has a stand-off voltage of 30V, making it suitable for a range of applications that require this level of protection.
• Peak Pulse Power: It offers a peak pulse power dissipation of 400W (10/1000µs), ensuring that devices are safeguarded against powerful surges.
• Low Clamping Voltage: The low clamping voltage minimizes stress on the protected circuit during a transient voltage event, enhancing the longevity of the end product.
• Fast Response Time: The SM4T30A boasts an extremely fast response time to transient events, clamping the overvoltage within picoseconds, providing immediate protection to the downstream components.
• Low Leakage Current: It has a very low leakage current, which helps in reducing power loss and preserving energy efficiency in standby mode.
• Package: Available in a compact SMB (DO-214AA) package, the SM4T30A is suitable for high-density circuit board designs.

Applications

The SM4T30A is versatile and can be used in a variety of applications where voltage transient protection is critical. It is ideal for protecting voltage-sensitive components in consumer electronics, computer systems, industrial equipment, and telecommunication systems. Additionally, its robustness makes it suitable for automotive and aerospace applications where reliability under harsh conditions is a necessity.

Quality and Reliability

STMicroelectronics is a global leader in semiconductor solutions and the SM4T30A is manufactured to the highest quality standards. The device is compliant with international standards, ensuring its reliability and performance across a wide range of operating conditions.