AOZ8821DT-03

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The AOZ8821 DT-03 is an integrated TVS (Transient Voltage Suppressor) - Diode specifically designed to protect equipment from very high levels of voltage and current. It is a three terminal device, meaning it has an anode (current flow), a cathode (to provide a return path) and a guard (further helps to provide a return path and reduce surge current).

In addition to its protective function, the AOZ8821 DT-03 also has an electrical parameter monitor which will detect any electrical faults and then shut down the TVS-Diode circuit, preventing further damage and offering protection for the connected equipment.

Applications of the AOZ8821 DT-03 include industrial and consumer electronic equipment, automotive circuits and telecommunications systems. It is an ideal solution for protection against many forms of electrical transients and surges, and is suitable for high-frequency common and differential mode ElectroStatic Discharge (ESD), ElectroMagnetic Interference (EMI) and power line transient protection.

The working principle of the AOZ8821 DT-03 is relatively simple. When normal operating voltages are exceeded, the TVS-Diode will activate and clamp the peak voltage to a set level, thus protecting the connected device from overvoltage events. The exact voltage clamping level of the device is determined by the specific values of the anode, cathode and guard terminals.

The device is designed to function in two modes; normal and stand-by. In normal mode the device is actively managing transients and offering protection to the connected device. In stand-by mode the device will be in a passive state and will only activate when a large enough transient is detected. The device will then switch into active mode, clamping the voltage and protecting the equipment from over-voltage or over-current events.

The AOZ8821 DT-03 is a reliable, compact and cost-effective solution for protecting equipment from electrical transients. It is designed for a wide range of applications and can be used both in industrial and consumer electronic equipment, providing a robust and efficient protection to the attached device.

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