SMA6J85A-TR Circuit Protection

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TVS - Diodes, defined as transient voltage suppressors, are one of the most important components used to protect electronic systems and devices from voltage transients. The SMA6J85A-TR is an excellent example of a TVS diode, and it offers superior protection for a variety of situations and applications. This device is designed to protect against ESD, surge, and EFT impulses, and is particularly effective when used in automotive, industrial, and telecommunications systems. In this article, we will look at the application fields and working principles of the SMA6J85A-TR.

Applications of the SMA6J85A-TR

The SMA6J85A-TR is a bidirectional device, meaning it provides protection in both directions. It is capable of sourcing and sinking current up to 600W when used in a peak power dissipation-limited circuit. This makes it an ideal solution for automotive applications, as it can protect both the battery and the main-power switches. Additionally, it offers excellent protection against power line transient events such as electrostatic discharge (ESD) and EFT. The SMA6J85A-TR also provides superior protection against surges and ringing on data and power lines.

The SMA6J85A-TR is also an excellent choice for industrial applications. It is designed to comply with industrial standards such as IEC 60384-14, and is specifically designed to protect industrial equipment from transient events. It can also be used in telecommunications systems, as it is able to protect against power line transients and ESD pulses. The SMA6J85A-TR is certified to UL 1449 4th Edition, and is recognized by UL, CE, CQC, and TUV.

Working Principle of the SMA6J85A-TR

The SMA6J85A-TR is a two-terminal device that operates through a capacitive voltage-clamping mechanism. During a transient event, it quickly and efficiently clamps the voltage to a predetermined level. The device then dissipates the energy of the transient through a safe path to ground, thus preventing the connected circuits from experiencing any damaging voltages. This makes it an ideal solution for protecting sensitive microprocessors and other components from damaging voltage transients.

The SMA6J85A-TR is designed to operate over a wide temperature range, from -55°C to +150°C. Additionally, it does not require any external components, making it an easy and cost-effective solution. The device is also optimized to work with low capacitance and inductance, making it well suited for use in high-frequency applications such as telecommunications systems. Furthermore, the SMA6J85A-TR is designed to be highly reliable and has an inverse-time response to transient events, which improves protection.

Conclusion

The SMA6J85A-TR is a versatile and reliable TVS diode designed for a variety of applications. It is ideal for protecting against ESD, surge, and EFT impulses in automotive, industrial, and telecommunications systems. The device is designed to quickly and efficiently clamp voltage to a predefined level and dissipate the energy of the transient through a safe path to ground, protecting connected systems and components. The SMA6J85A-TR fits the bill for a wide range of conditions, and is an excellent option for protecting sensitive electronic systems and components from voltage transients.

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