The SMBJ85CA-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 electrostatic discharge (ESD), lightning, and other transient voltage events. This component is a bidirectional TVS diode, which means it can provide protection in both forward and reverse directions, making it an ideal choice for AC applications or where the polarity is uncertain.

Key Features

• Stand-off Voltage: The SMBJ85CA-TR has a stand-off voltage of 85V, which is the maximum voltage that can be applied while maintaining a high impedance state.
• Peak Pulse Power: It offers a peak pulse power dissipation of 600 Watts for a 10/1000μs waveform, ensuring robust protection against high energy transients.
• Clamping Voltage: With a clamping voltage of 137V, this diode can effectively clamp and suppress harmful overvoltage conditions, preventing damage to the protected component.
• Low Leakage Current: It has a low leakage current, which ensures minimal power loss when the device is in standby mode and enhances the overall efficiency of the system.
• Fast Response Time: The device reacts almost instantaneously to transient voltages, ensuring that the sensitive components are shielded from voltage spikes without delay.
• Package: Housed in a DO-214AA (SMB) package, the SMBJ85CA-TR is compact and suitable for high-density circuit board designs.

Applications

The SMBJ85CA-TR is an excellent choice for a wide range of applications where transient voltage protection is critical. It can be used in:

• Communication Systems
• Industrial Equipment
• Consumer Electronics
• Power Supplies
• Automotive Systems
• AC/DC Applications

In summary, the SMBJ85CA-TR TVS diode from STMicroelectronics is a robust and reliable component that offers superior protection against voltage transients. Its bidirectional nature, high peak pulse power, and fast response time make it an indispensable component for safeguarding sensitive electronics across various industries.