STMicroelectronics SMAJ43A-TR TVS Diode

The SMAJ43A-TR from STMicroelectronics is a state-of-the-art Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage transients induced by system-level events such as load dump, lightning, and electrostatic discharge (ESD). This robust TVS diode is specifically engineered to safeguard voltage-sensitive components which can be subjected to destructive voltage spikes and surges.

Key Features

• Stand-off Voltage: The SMAJ43A-TR offers a stand-off voltage of 43V, providing a secure voltage threshold that ensures the protection of components in a wide range of applications.
• Peak Pulse Power: It can handle a peak pulse power dissipation of 400 Watts (10/1000μs), ensuring reliable protection against high energy transients.
• Clamping Voltage: With a maximum clamping voltage of 69.4V, the device can effectively clamp transient overvoltages and prevent damage to the protected component.
• Fast Response Time: The device's response time is less than 1 picosecond, allowing it to respond almost instantaneously to transient voltage spikes.
• Low Leakage Current: It has a low leakage current, minimizing power loss and ensuring energy efficiency in standby or off state.
• Package: The SMAJ43A-TR comes in a compact SMA (DO-214AC) package, which is suitable for automated assembly and allows for high-density mounting on PCBs.
• Compliance: This TVS diode is compliant with the IEC 61000-4-2 standard for ESD, IEC 61000-4-4 for EFT, and IEC 61000-4-5 for surge capability, ensuring its suitability for use in a variety of industrial and consumer applications.

Applications

The SMAJ43A-TR is ideal for protecting integrated circuits and other sensitive electronics in a variety of applications, including:

• Automotive systems
• Industrial controls
• Power supply devices
• Consumer electronics
• Telecommunication systems
• Portable devices

With its robust design and reliable performance, the SMAJ43A-TR is a preferred choice for designers looking to enhance the durability and longevity of their electronic systems against transient events.