Voltage - Clamping (Max) @ Ipp:	27V
Supplier Device Package:	SOT-23-3
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TJ)
Capacitance @ Frequency:	20pF @ 1MHz
Applications:	Ethernet, Telecom
Power Line Protection:	No
Power - Peak Pulse:	--
Current - Peak Pulse (10/1000µs):	24A (8/20µs)
Series:	--
Voltage - Breakdown (Min):	13V
Voltage - Reverse Standoff (Typ):	12V (Max)
Unidirectional Channels:	2
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction of TVS - Diodes

TVS - Diodes are a kind of three layer composite semiconductor devices. It contains two PN junctions with a low resistance path that blocks high frequency surges in the circuit and protect from the blast or damage. It is made by semiconductor materials and has high withstand and discharge voltage, making it perfect for high voltage applications. This device is used to provide fast and high voltage protection when an over voltage situation arises.

AOZ8302ACI-12

The AOZ8302ACI-12 is an automotive grade unidirectional overvoltage protection device for 12V automotive circuit applications. It provides protection against overvoltage and overcurrent events and provides very fast response during sudden voltage fluctuations.The AOZ8302ACI-12 includes a series of current limiting resistors, surge-suppressing diodes and insulated-gate transistors (IGTT). This combination ensures the device is reliable and will provide protection against in-rush currents, as well as other high frequency surges. The device also contains two p-type protective diodes with high voltage and breakdown voltages that ensure fast and accurate protection.

Application field of AOZ8302ACI-12

The AOZ8302ACI-12 offers driving current of 30A in over voltage protection applications. This device is suitable for use in various automotive applications and is designed to provide an immediate response to voltage overshoots and undershooting in vehicle systems, such as power supply, monitor and communications systems. The device can also be used in a stable power supply in vehicles and in noise reduction applications.

Working Principle of AOZ8302ACI-12

The AOZ8302ACI-12 is based on the principle of current limiting, which limits the current flow when the device is exposed to a certain level of over voltage. When an over-voltage situation occurs, the surge-suppressing diode in the device will be triggered. At this point, the excess electrical current flows into the diode and is limited (clamped) to a predetermined voltage level. Thus, it can protect the device from further damage.In addition, the device also contains an insulated-gate transistor (IGTT) which helps to further limit the flow of electrical current and provides surge protection in case of a sudden voltage fluctuation. This helps to reduce any excess current flow and protect the device from short circuit and over-voltage situations.

Conclusion

The AOZ8302ACI-12 is a perfect fit for automotive applications, as it provides fast and reliable protection against voltage overshoot. This device works on the principle of current limiting, where it limits the flow of current in case of an over-voltage situation. The device also contains two surge-suppressing diodes and an insulated-gate transistor (IGTT) to further protect the device from sudden voltage fluctuations. The AOZ8302ACI-12 is suitable for use in a variety of automotive applications and can provide an immediate response to in-rush currents and other high frequency surges.

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