ATV30C180J-HF Circuit Protection

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TVS (Transient Voltage Suppressor) Diodes are commonly used for power overvoltage protection. The ATV30C180J-HF belongs to the ATV product series and is one of the most popular surface mount transient voltage suppressors. This device is specifically designed to protect sensitive electronics such as microcontrollers and ASICs from power overvoltage and overcurrent events.

The ATV30C180J-HF is a unidirectional, transient voltage suppressor diode. It is available in an 8-Pin SOT323-5 package and can be easily mounted to many circuit boards. The package allows for minimal leakage current and maximum clamping ability during transient events. The device is also designed with a low capacitance, allowing it to be switched on and off quickly when needed. The device is rated to handle overcurrents ranging from 1A to 15A and peak pulse power of up to 1500W.

The ATV30C180J-HF can be used in various applications such as automotive electronics, power supplies, cellular handsets, and other electronic systems where power overvoltage or overcurrent protection is critical. The device ensures that the transient voltage does not exceed the rated breakdown voltage, which improves the reliability of the system. Moreover, the device allows for a fast deactivation of the circuit, which helps to minimize any damage due to one-time overvoltage events.

The ATV30C180J-HF’s working principle is based on the Zener diode principle, which states that an increase in reverse bias voltage applied to the diode will result in a decrease of the current flowing through the junction. When reverse bias voltage is higher than its breakdown voltage, the device triggers and conducts current in the reverse direction, thereby clamping the voltage at the diode\'s breakdown voltage. The out current is called the clamping limit current and is limited by the power rating and temperature.

In conclusion, the ATV30C180J-HF is a useful device specifically designed for efficient transient voltage and overcurrent protection. It can handle peak pulse power of up to 1500W and has a low capacitance, allowing for quick switching. This device can be used in a variety of applications due to its high reliability and efficient protection.

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