The SMAJ40A-TR/N is a high-quality Transient Voltage Suppressor (TVS) diode from STMicroelectronics, a leading name in semiconductor solutions. This robust TVS diode is designed to protect sensitive electronic equipment from voltage transients induced by system inductance, lightning, and other transient voltage events.

Key Features

• Stand-off Voltage: The device has a stand-off voltage of 40V, which indicates the maximum voltage that the diode can withstand without conducting in its off state.
• Peak Pulse Power: With a peak pulse power dissipation of 400W for 10/1000μs waveforms, this TVS diode can handle significant power spikes without damage, ensuring protection for your sensitive circuitry.
• Clamping Voltage: When subjected to a high voltage transient, the SMAJ40A-TR/N clamps to a maximum voltage of 64.5V, providing a safe voltage level to protect downstream components.
• Fast Response Time: The device responds to over-voltage events in less than 1 picosecond, offering immediate protection against transient voltage spikes.
• Low Leakage Current: It features a low leakage current, minimizing power loss when the device is in standby mode and improving overall energy efficiency.
• Package: Supplied in a compact SMA package, the SMAJ40A-TR/N is suitable for high-density circuit board designs.

Applications

The SMAJ40A-TR/N is ideal for a variety of applications where voltage transient protection is critical. Common applications include:

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

Quality and Reliability

STMicroelectronics is committed to delivering high-quality products. The SMAJ40A-TR/N is produced with rigorous quality control procedures, ensuring reliability and performance in even the most demanding environments. It is RoHS compliant and adheres to international standards, making it a trusted choice for engineers and designers looking for effective transient voltage suppression solutions.