STMicroelectronics SMA4F23A Transient Voltage Suppressor

The SMA4F23A from STMicroelectronics is a robust transient voltage suppressor (TVS) designed to protect sensitive electronic equipment from voltage spikes and surges. This device is part of ST's SMA4F series and is specifically engineered to safeguard circuits against transient overvoltage events such as electrostatic discharges (ESD), electrical fast transients (EFT), and other induced voltage surges.

Key Features:

• Stand-off Voltage: The SMA4F23A has a stand-off voltage of 23V, making it suitable for a range of applications where this voltage level is a common requirement.
• Peak Pulse Power: It offers excellent clamping capability with a peak pulse power of 400W (10/1000 μs waveform), ensuring high-level protection for your devices.
• Package: Encased in a compact SMA (DO-214AC) package, the SMA4F23A is designed for surface mount applications, providing space-saving benefits and ease of integration into various circuit designs.
• Low Leakage Current: With a low leakage current, it minimizes power loss and ensures better energy efficiency in standby or off modes.
• High Surge Capability: The device is capable of handling high surge events, thereby preventing damage to the protected components and extending their operational lifespan.
• Fast Response Time: The SMA4F23A responds quickly to transient overvoltages, providing immediate protection and minimizing the risk of damage to sensitive circuits.
• Operating Temperature: It operates over a wide temperature range, making it suitable for various industrial and consumer applications.
• Compliance: This TVS diode is compliant with industry standards, including RoHS and REACH, ensuring it meets global environmental and safety requirements.

Applications:

The SMA4F23A is ideal for protecting voltage-sensitive components in a broad array of applications. These include consumer electronics, computer systems, industrial controls, telecommunications equipment, and automotive electronics where reliable overvoltage protection is critical.

With its combination of high surge protection, fast response time, and compliance with environmental standards, the SMA4F23A from STMicroelectronics is an excellent choice for designers looking to enhance the durability and reliability of their electronic systems.