AOZ8302CI-12

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TVS – diodes, also known as transient voltage suppressors, are used to protect integrated circuits from excessive voltage transients. The AOZ8302CI-12 is used to protect Transceiver chipsets from electrostatic discharge (ESD). The essence of AOZ8302CI-12 protection is to limit the instantaneous voltage applied across the device and protect the sensitive components connected to it from any possible damage.

The AOZ8302CI-12’s field of application extends beyond Transceiver chips to a number of other areas, including automotive, industrial, and consumer electronics. The device is able to protect delicate and vulnerable chassis connections, as well as microprocessors, A/D and D/A converters, and other electronic components. In addition, it is commonly used to protect high-speed interfaces such as USB, IEEE-1394, and HDMI.

It is important to note that the AOZ8302CI-12 is not intended to reduce the peak voltage of the transient, but instead, its primary function is to provide a low-impedance clamping voltage to limit the peak voltage that can be applied to the unprotected circuit.

The key features of AOZ8302CI-12 include:

• Supports IEC 61000-4-2 Level 4 ESD Protection
• Working voltage: 8V
• Small package size
• Low clamping voltage
• Fast response time
• Low dynamic resistance

The protection characteristics of the AOZ8302CI-12 are achieved by a combination of two devices, an N-channel MOSFET and a Zener diode. When there is insufficient voltage applied across the device, the MOSFET remains in the off state. When an over-voltage transient is applied to the device, the Zener diode begins to conduct, allowing current to flow through the device. The MOSFET then turns on, forming a low-impedance path to ground which limits the voltage that can be applied across the component. This allows the device to protect the circuit by limiting the voltage applied.

In conclusion, the AOZ8302CI-12 is a versatile device that is capable of protecting a variety of circuits from electrostatic discharge and over-voltage transients. Additionally, it has several useful features such as IEC 61000-4-2 Level 4 ESD protection, low clamping voltage, fast response time, and low dynamic resistance.

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