The SM4T56AY is a state-of-the-art transient voltage suppression (TVS) diode, designed by STMicroelectronics to protect sensitive electronic equipment from voltage transients induced by system inductance and lightning. This high-performance device is a member of the Transil™ diode family, known for their ability to safeguard circuits against extreme voltage spikes.

Key Features

• Stand-off Voltage: The SM4T56AY has a stand-off voltage of 5.6V, making it suitable for a range of applications that require this level of protection.
• Peak Pulse Power: With a peak pulse power of 400W (10/1000μs), this diode is capable of handling significant energy from transient events without failing.
• Low Clamping Voltage: The device provides a low clamping voltage, ensuring that the protected components are exposed to a minimal voltage overshoot during transient conditions.
• Fast Response Time: The SM4T56AY reacts quickly to transient overvoltage events, offering rapid response times that are critical for protecting modern electronic circuits.
• Low Leakage Current: It features a low leakage current, which helps to maintain energy efficiency in the system it is protecting.
• Compact Package: Available in an SMB (DO-214AA) package, the SM4T56AY is designed to save board space and is suitable for automated assembly.
• High Reliability: As with all STMicroelectronics products, this TVS diode is manufactured to high quality standards, ensuring high reliability and performance consistency.

Applications

The SM4T56AY is ideal for protecting voltage-sensitive components which can be found in a variety of electronic systems, including:

• Consumer electronics such as smartphones, tablets, and laptops
• Industrial control systems and automation equipment
• Telecommunication devices, including network hardware and mobile communications
• Automotive electronics that require robust protection against transient events
• Power supply units and voltage regulation modules

With its robust design and superior protection capabilities, the SM4T56AY from STMicroelectronics is an excellent choice for engineers and designers looking to enhance the durability and longevity of their electronic products.