ATV30C7V5JB-HF Circuit Protection

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TVS - Diodes

The ATV30C7V5JB-HF is a devices used to protect other components from over–voltage conditions such as electrostatic discharge (ESD) or surge events. They are part of a larger group known as transient voltage suppressors (TVSs), which work to fundamentally limit and clamp transient voltages in a power system. This document will provide a brief overview of the application field, categories, and working principle of the ATV30C7V5JB-HF.

Application Field

The ATV30C7V5JB-HF is part of the TVS Diodes family of surge protectors and is designed to protect against both ESD and surge environments on high-speed data lines. It is intended for LINE-Protection, with a voltage clamp of 7.5 V, for applications like automotive components, USB 3.0 ports, and telecommunication equipment. The surge features of the device meet the ISO7637-2 and SAEJ1211 automotive standards. The device also has a low capacitance (< 0.33pF) and low leakage current (< 0.1μA) which is good for Line Protection on high-speed data lines.

Categories

There are three main categories for ratings of TVS diodes available, they are:

• Unidirectional: Where the breakdown occurs in one direction only but with excellent surge capability and low leakage current.

• Bidirectional: Where the breakdown occurs in both directions and achieves an excellent clamping voltage.

• Bi-directional ESD Protection: Where the device provides effective ESD Protection.

The ATV30C7V5JB-HF falls under the Bi-directional ESD Protection category.

Working Principle

TVS devices work to protect against overvoltage conditions by diverting the current flow away from the protected component, thus clamping and suppressing the transient voltage. The ATV30C7V5JB-HF works in a similar way as it is designed to detect any overvoltage that may occur during a surge event and clamp the peak voltage level at 7.5V. This is done via a series array of diodes that combine to produce a voltage-dependent current flow. It is through this process that the ATV30C7V5JB-HF is able to provide+ultra-low capacitance and low leakage current characteristics for effective ESD and surge protection in high speed data line applications.

TVS diodes protect components from transients, resulting from over-voltage conditions, by diverting the energy away from delicate components. As such, the ATV30C7V5JB-HF is an ideal choice for ESD and surge protection in high-speed data line applications.

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