AOZ8204DI

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Transient voltage suppressors (TVS) are a type of protection device used to protect a circuit from excessively large, damaging voltage or electrical transients. TVS diodes are built to block voltage transients and clamp down voltage levels until they are within normal operating parameters. The AOZ8204DI is a high performance unidirectional and bidirectional TVS diode array solution for protecting sensitive electronics against ESD, lightning and power cross. This device is designed to replace larger networks of components in order to achieve higher performance and protect a wide range of electronic equipment.

The AOZ8204DI TVS diode is optimized for protecting various modern buses and ports such as USB 2.0 and 3.0, HDMI, and other ports against conducted and inductive surge events. Its low leakage current and fast response time offers superior protection over a wide temperature range from -40°C to +85°C. The AOZ8204DI also features an integrated EMI suppression filter to reduce conducted EMI emissions. The TVS diode array is housed in an 8-pin LLP, making it suitable for many home and office applications.

The working principle of the AOZ8204DI is the application of a reverse bias voltage to the p+ and n+ regions in order to create a strong electric field that clamps the incoming voltage when it exceeds its absolute maximum rating. The device acts like a zener diode and will reduce the transient voltage to its zener voltage. The device also has thermal protection, which will cause the device to shut off when the die temperature rises to the Shut-Off Junction temperature of +175°C. When the temperature drops, the device will automatically restart.

The AOZ8204DI TVS diode is mainly designed for use in consumer electronics applications such as laptops, tablets, smartphones, and digital cameras, as well as in automotive and industrial systems. It features ESD protection of up to 20kV (HBM) and is rated for up to 12A peak pulse current. It also features surge protection of up to 7A for 8/20 μs pulse width and up to 6A for 5/310 μs pulse widths.

The AOZ8204DI TVS diode is a reliable and cost-efficient solution for protecting various systems and devices against ESD, lightning, and power cross. It features a wide range of protection levels that provide high reliability and superior performance in the most challenging environments.

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