STMicroelectronics SMA4F11A Transient Voltage Suppressor

The SMA4F11A from STMicroelectronics is a high-quality transient voltage suppressor (TVS) designed to protect sensitive electronic equipment from voltage transients induced by system inductance and lightning. This robust device is ideal for safeguarding voltage-sensitive components which can be affected by transient voltage spikes.

Key Features

• Stand-off Voltage: The device has a stand-off voltage of 11V, which is the maximum voltage that can be applied continuously without triggering the protective circuit.
• Peak Pulse Power Dissipation: It can handle a peak pulse power dissipation of 400W (10/1000μs), ensuring effective protection against high energy transients.
• Low Clamping Voltage: The SMA4F11A features a low clamping voltage, which reduces the stress on protected components during a transient voltage event.
• Fast Response Time: Its response time is typically less than 1 picosecond from 0V to BV min, providing immediate protection upon detecting a surge.
• Low Leakage Current: It has a low leakage current, minimizing power loss when the device is in standby mode and enhancing the overall efficiency of the system it protects.
• Operating Temperature Range: The device is designed to operate over a wide temperature range from -55°C to +150°C, making it suitable for various challenging environments.

Applications

The SMA4F11A is versatile and can be used in a range of applications, including:

• Power supply lines
• Communication systems
• Automotive electronics
• Industrial electronics
• Consumer electronics

Package Information

Encased in an SMA package, the SMA4F11A offers a compact footprint for space-constrained applications. The package is designed for easy integration into a variety of circuit boards, with a surface-mount design that simplifies assembly processes.

Compliance and Certification

The SMA4F11A is compliant with the RoHS directive and is certified by international standards, ensuring the safety, reliability, and environmental friendliness of the device.

With its robust design and excellent performance characteristics, the STMicroelectronics SMA4F11A is a dependable choice for circuit protection in a wide range of electronic applications.