AOZ8829DI-03 Circuit Protection

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TVS (Transient Voltage Suppressor) diodes have become increasingly popular in recent years and more and more applications and circuits are adopting them to protect expensive components from dangerous power spikes. The AOZ8829DI-03 is a particularly attractive option amongst these, providing an impressive level of protection for a relatively low cost and manufacturers who choose it for their designs can be confident that it will provide valuable protection against power surges.

The AOZ8829DI-03 is a dual channel TVS diode specifically designed to provide protection against high voltage levels which traditionalfuses, varistors and on-chip clamping diodes can struggle to cope with. It’s a low profile SOT23-5 SMD package withbuilt-in ESD protection and it has the capability to withstand voltage spikes up to 20V with a current rating of up to 1A. It’s an ideal protection device for high voltage and high frequency circuits such as USB, HDMI, Ethernet and othercommunication ports.

It is fairly straightforward to understand how this device works. The primary function of the AOZ8829DI-03 is to act as a very fast switch which turns off as soon as a high voltage is detected. This protects against voltage spikes and much shorter duration ESDs, which can be dangerous for circuit components. When the voltage spike has gone away, the diode will turn back on again, allowing the circuit to continue operating as before.

The AOZ8829DI-03 is suitable for a wide range of TVS applications, including protecting circuits from over-voltage transients and electrostatic discharge. It’s particularly suitable for circuits that require protection from high-frequency transient surge events. It has also been proven to be very effective for protectingagainst unwanted cable currents on automotive infotainment systems, power supplies, USB3.0/3.1 and Type C cables. In addition, its compatibility with high-speed HDMI and Ethernet connections make it an appealing solution for many applications.

The diode also offers a range of other features including a very lowTurn-Off Voltage and fast switching time. Furthermore, it’s ESD protection circuitry has been rigorously tested and it has passed EN 61000-4-2 tests, making it an attractive choice to ensure compliance with industry standards.

To conclude then, the AOZ8829DI-03 is a very attractive choice as a TVS diode thanks to its low cost, high performance protection capabilities and attractive range of features. It is well suited to a wide range of applications such as power supplies, automotive infotainment systems and communication ports, and it will provide engineers with the confidence that their circuits are well protected against electrical malfunctions.

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