ATV30C351J-HF Circuit Protection

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The ATV30C351J-HF, also known as an unidirectional transient voltage suppressors (TVS), is a miniaturized, cost-efficient, surface mount component specifically designed to protect low-voltage, sensitive electronic components from damaging effects of voltage spikes, such as electrostatic discharge (ESD), lightning strikes and other transient electric events. This component belongs to the TVS - Diode product family, which is generally composed of unidirectional diode-based devices with high surge-handling capability and low clamping voltages. The primary application fields of the ATV30C351J-HF are automotive, consumer electronics, industrial, medical and telecommunications.

The ATV30C351J-HF has a maximum breakdown voltage of 350V and a maximum peak pulse current of 26A. It also has a capacitance of 0.34 pF to provide efficient and long-term protection for sensitive components, while its low leakage current and low clamping voltage ensure minimal impact on signal transmission. Additionally, the ATV30C351J-HF is designed to be compatible with multiple popular industry manufacturing processes, including reflow, wave, and manual soldering, making it compatible with a wide range of electronic assemblies. Furthermore, it is designed to meet the RoHS and REACH requirements for hazardous substances, making it an ideal choice for electronic devices that require environmentally friendly components.

The working principle of the ATV30C351J-HF bipolar TVS diode can be explained as follows. In normal operation, the anode and cathode terminals of the diode remain in a high impedance state. When a voltage spike reaches the diode, such as from ESD or a transient overvoltage, the diode quickly switches from the high impedance state to a low impedance state. This low impedance state allows the current to flow through the diode and away from the sensitive electronic components, thus protecting them from damage due to the voltage spike. Since the TVS diode is bidirectional, it is able to protect electronic components from both negative and positive voltage spikes.

The ATV30C351J-HF is a versatile and cost-effective solution for protecting sensitive electronics from damaging transient events. Its low clamp-voltage and low capacitance ensure that it does not interfere with signal transmission, while its high surge-handling capability and robust design make it suitable for a wide range of applications. Furthermore, its suitability for multiple manufacturing processes and environmental compliance make it an ideal choice for the protection of sensitive electronics.

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