AOZ8212ACI-05

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TVS diodes have become increasingly commonplace in robust electronic applications as demand for improved performance increases. AOZ8212ACI-05 datasheetis one of the most commonly utilized TVS diodes and is capable of offering superior transient protection with a relatively small footprint. This article aims to provide an overview of the AOZ8212ACI-05, looking in closer detail at its application field and working principle.

The AOZ8212ACI-05 TVS diode is designed to protect sensitive electronic components from electrical overstress caused by transient voltage surges (usually resulting from a direct or nearby lightning strike) or current injected onto data and communication lines. Providing IEC 61000-4-5 standard Class 4 compliance (amplitude of 2kV / 2kA for <5ns duration) and achieving a peak pulse power of 20,000 W (10/1000 μS waveforms), the AOZ8212ACI-05 is the perfect choice for applications such as computers, medical devices, communication systems and VGA cards.

The AOZ8212ACI-05 is comprised of a diode array mounted in a low-profile and compact plastic package (Sot-153 measure 4.2mm x 3.3mm). This ensures that the AOZ8212ACI-05 takes up minimal board space whilst still providing robust protection. This is further enhanced by the fact that its ESD protection level is EN 6100-4-2 air discharge (level 4) at 8kV contact.

In regards to the device’s working principle, the AOZ8212ACI-05 diode is designed to respond to sudden surges of current and voltage to divert it away from the equipment in question. This is achieved through the utilization of an integrated avalanche diode that mutually reinforces with the integrated protection diodes when a surge is detected. The diodes will then form a parallel path and provide a safe route to dissipate any stray energy, ultimately protecting the target system from failure.

The AOZ8212ACI-05 diode is capable of protecting both AC and DC applications, thus emphasizing its versatility. It was also designed with reverse polarity features in mind, meaning that the device can be implemented with split voltage sources and alternate dynamic configurations. The AOZ8212ACI-05’s standby current is also low, ranging from 0.3mA – 2mA depending on temperature, further reducing the risk of damage or irrecoverable energy loss. This is further supplemented by the comprehensive ESD immunity that is offered by the AOZ8212ACI-05, meaning that even with the most extreme electron discharge, failure is avoided.

In conclusion, the AOZ8212ACI-05 is a modern and efficient TVS diode that provides robust transients protection and a low-profile package. Its application field covers a range of electrical items that are designed to operate in electrically stressful environments, meaning that any unexpected surges can be dismissed before they cause any significant damage. Furthermore, the AOZ8212ACI-05’s working principle of utilizing integrated diodes forms a parallel path for stray energy to dissipate safely, thus keeping the electrical equipment in question fully protected.

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