SAC50 Circuit Protection

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TVS-diodes are devices designed to provide protection for components and circuits from damage due to transients, surges, or electrostatic discharges. A Transient Voltage Suppression (TVS) diode is a type of surge protection device that is used to protect voltages that require isolation from overvoltage, voltage transients (voltage spikes), or electrical noise that reaches the device. The device consists of two metal oxide semiconductor (MOS) capacitors connected in series with a low-voltage diode fabricated on an integrated circuit. A TVS diode protects components from voltage transients and voltage spikes that are caused by ESD (electrostatic discharge).

The SAC50 application field and working principle is a TVS diode designed specifically for automotive applications. Its working principle is based on the same concept used on standard TVS diodes, only this device uses a special MOS capacitor that is designed to be able to withstand higher temperature changes. This device is designed to provide overvoltage protection to automotive systems, such as those used in automotive fuel injection systems, ABS brake systems, and electronic ignition systems. The SAC50 is a monolithic device, meaning it is made of a single material, which allows it to be cheaper and easier to manufacture.

The SAC50 is designed to reduce the risk of voltage transients and voltage spikes that are caused by ESD or other external environmental conditions. The SAC50 device works by sensing an increase in the voltage and then limiting the voltage that is passed to the protected circuit. The device does this by using an internal low-voltage diode and two MOS capacitors, the capacitors provide a electrical storage capacity that helps the diode to reduce the voltage that is passed to the circuit. The SAC50 is designed to have the same voltage protection capability as a regular TVS diode and also protect against ESD.

In addition to providing overvoltage protection, the SAC50 also offers EMI suppression, meaning it can reduce EMI (electromagnetic interference) noise, which can interfere with data transmission and communication. This is done by using a secondary shield, which helps to suppress the EMI noise. The SAC50 also offers surge protection to protect against electrical surges, such as those caused by lightning strikes or spikes in power. By reducing these electrical surges, the SAC50 helps to protect the device from damage.

Overall, the SAC50 is a reliable and cost effective device for automotive applications that provides overvoltage protection, EMI suppression, and surge protection. This device is designed to be even more reliable than standard TVS diodes and is suitable for use in a variety of applications. By using the SAC50 device, automotive systems can be protected from voltage transients and surges caused by ESD or other environmental conditions.

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