Introducing the SM4T30AY Transil™ Diode from STMicroelectronics

The SM4T30AY is a high-performance Transil diode designed by STMicroelectronics, one of the industry leaders in semiconductor solutions. This robust transient voltage suppressor (TVS) is engineered to protect sensitive electronic equipment from voltage transients induced by system inductive load switching and lightning surges. The SM4T30AY is an ideal choice for the protection of I/O interfaces, VCC bus, and other vulnerable circuits used in a wide array of applications.

Key Features of the SM4T30AY

• Stand-off voltage: The device boasts a stand-off voltage of 30V, making it suitable for a range of applications where this level of protection is required.
• Peak pulse power: With a peak pulse power dissipation of 400W (10/1000 µs), the SM4T30AY provides reliable protection against surges, ensuring the safety of electronic components.
• Low clamping factor: The low clamping factor of the SM4T30AY ensures that the voltage seen by the protected component remains within safe limits during transient conditions.
• Fast response time: Its fast response time reliably shields sensitive circuits from surges and spikes, preventing damage before it can occur.
• Low incremental surge resistance: The diode features low incremental surge resistance, which enhances its ability to handle high-energy surges without significant voltage drop.

Applications

The versatility of the SM4T30AY allows it to be used in a variety of applications, including:

• Consumer electronics such as TVs, PCs, and multimedia devices
• Telecommunication systems
• Industrial electronics
• Automotive systems where compliance with ISO 7637-2 is required
• Power supply protection

STMicroelectronics has designed the SM4T30AY with reliability in mind. Its package is RoHS compliant and halogen-free, ensuring that it meets current environmental standards for electronics. Whether you're designing for commercial, industrial, or automotive applications, the SM4T30AY provides a shield against electrical transients, safeguarding your electronic investments.

For detailed specifications, application notes, and additional information, engineers and designers are encouraged to consult the datasheet provided by STMicroelectronics. The SM4T30AY represents a blend of performance, reliability, and environmental consideration, making it a smart choice for transient voltage suppression needs.