STMicroelectronics SMA4F170A - Robust and Versatile Transient Voltage Suppressor

The SMA4F170A from STMicroelectronics is a high-quality, surface-mount Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage transients induced by system inductance, lightning, and other transient voltage events. This device is specifically engineered to safeguard voltage-sensitive components which can be damaged or disrupted by these types of transients.

Key Features

• Stand-off Voltage: The SMA4F170A offers a stand-off voltage of 170V, making it suitable for a wide range of applications where specific voltage levels need to be maintained.
• Peak Pulse Power: It can handle a peak pulse power of 400W (10/1000μs), ensuring robust protection against high energy transients.
• Low Leakage Current: The device is designed with a low leakage current, which enhances its efficiency and reliability in operation.
• Fast Response Time: Thanks to its fast response time to transient events, the SMA4F170A is capable of responding quickly to overvoltage events, providing immediate protection to downstream components.
• High Surge Capability: This TVS diode has a high surge capability, which enables it to withstand high transient currents without degradation.

Applications

The SMA4F170A is versatile and can be used in various applications, including:

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

Package and Quality

Encased in an SMA (DO-214AC) package, the SMA4F170A is compact and suitable for high-density circuit designs. It is also RoHS compliant and adheres to ISO 9001 quality standards, ensuring high reliability and performance consistency.

Conclusion

The SMA4F170A TVS diode from STMicroelectronics is an excellent choice for designers looking for a reliable and high-performance solution to protect their sensitive electronic circuits from voltage transients. With its robust features and versatile applications, it stands out as a critical component in any system requiring transient voltage protection.