AOZ8211DI-02 Circuit Protection

Voltage - Clamping (Max) @ Ipp:	9.5V
Supplier Device Package:	2-DFN (1x0.6)
Package / Case:	0402 (1006 Metric)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TJ)
Capacitance @ Frequency:	11pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	50W
Current - Peak Pulse (10/1000µs):	6A (8/20µs)
Series:	--
Voltage - Breakdown (Min):	2.8V
Voltage - Reverse Standoff (Typ):	2.5V (Max)
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

The AOZ8211DI-02 is a surface mount, discrete, transient voltage suppressor (TVS) diode. This device has been designed to protect sensitive equipment from voltage transients found outside their operation condition in order to protect them from destruction or a reduction in performance. It is a dual diode that is rated for an operating voltage of 7.0V and a breakdown voltage of 14.0V with maximum surge capability of 8.26A.

Application Field

The AOZ8211DI-02 has been developed to protect against transients found in the following applications:-Automotive systems: This device is used to protect automotive systems from voltage spikes caused by electromagnetic interference (EMI) or electrostatic discharges (ESD).-Lighting systems: To protect LED lights from overvoltage and undervoltage transients during switching operations.-IoT: To protect IoT systems from transient events caused by outside sources, such as lightning strikes or ESD.-Computer system: To protect electronic components from surges of electricity caused by voltage transients.-Communications systems: To protect against surge energy generated from switching, lightning, or ESD.-Power supply systems: To protect against transient events caused by irregular power signals generated by the external power grid or lightning.

Working Principle

The AOZ8211DI-02 TVS diode is a low impedance bipolar junction device. It is designed to protect the equipment from overvoltage transients generated from outside sources. The device works by clamping the voltage to a specific value and diverting the current away from the equipment.When an overvoltage occurs, the diode will start to conduct. A voltage drop occurs as the current passes through the diode, this creates a reverse bias on the diode and forces the voltage back to the original level. The diode will then quickly return to its non-conducting, reverse biased mode.The AOZ8211DI-02 TVS diode is reverse biased in its normally on state. When a voltage transient occurs, the diode is briefly forward biased before quickly transitioning back to its reverse biased mode. The reverse bias state keeps the diode in its off state. The forward biased state is only seen when an overvoltage transient occurs.

Conclusion

The AOZ8211DI-02 TVS diode is an efficient, robust and reliable device used for a wide range of applications. It is used to protect sensitive equipment from voltage transients caused by outside sources. It is designed to work by clamping the voltage to a specific value and diverting the current away from the equipment. With a reverse biased OFF state and a fast transition into its forward biased ON state, the AOZ8211DI-02 is an excellent device to protect electronics from overvoltage transients.

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