The SMA4F15A from STMicroelectronics is a state-of-the-art Transil™ diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This robust component is housed in a compact SMA Flat package, offering high surge capability with a stand-off voltage of 15V, making it an ideal choice for a wide range of applications that require reliable protection against electrical over-stress (EOS) and electrostatic discharge (ESD).

Key Features

• Peak Pulse Power: The SMA4F15A can withstand peak pulse power dissipation of 400 W (10/1000 µs).
• Stand-off Voltage: With a stand-off voltage of 15 V, it is well-suited for protecting 12 V bus systems and other sensitive circuits.
• Low Clamping Voltage: This device offers a low clamping voltage, ensuring that components downstream are shielded from the full impact of voltage spikes.
• Fast Response Time: The Transil™ diode features a rapid response time, reacting to over-voltage events quickly to provide immediate protection.
• Low Leakage Current: Minimizing power loss, it has a low leakage current of less than 2 µA at stand-off voltage, contributing to the overall energy efficiency of the system.
• High Surge Capability: Its high surge capability makes it suitable for tough environmental conditions, ensuring reliability and longevity of the protected device.

Applications

The SMA4F15A's versatility makes it appropriate for a variety of applications, including:

• Power supply protection
• Industrial systems
• Telecommunication devices
• Computer interfaces
• Automotive electronics

With its combination of high power dissipation, fast response time, and low leakage current, the SMA4F15A provides an efficient and reliable solution for protecting sensitive circuits against the most challenging electrical transients. Whether used in consumer electronics or industrial machinery, this Transil™ diode from STMicroelectronics is an essential component for safeguarding the integrity and performance of electronic systems.