V681HG34

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A TVS - Varistor, MOV is a V681HG34. It is a non-linear voltage-dependent resistor with a positive temperature coefficient, meaning that as the applied voltage level across its terminals increases, its resistance decreases. The device is designed to protect electrical circuits against transients such as electrostatic discharge (ESD), electrical fast transients (EFT) and lightning surges, and are usually applied over lines carrying communication or power. It is designed for high-voltage and high-current applications, with a rated peak power rating of 150 volts and an operating voltage range of 85 volts.

The V681HG34 works by “clamping” the voltage across its terminals below a certain threshold. As the voltage increases, the device begins to limit the voltage applied by providing a large resistance to the current passing through it. This resistance, in turn, reduces the voltage applied across its terminals, reducing the chances of any damage or disruption to the protected circuit. In addition to protection from transient energy, these devices also offer significant protection from damage triggered by high power frequency current transients such as lightning strikes.

The most important application for the V681HG34 is in the protection of electronic systems from transients and surges. It can provide effective protection for the power supplies and input/output signals of a wide range of electronic systems such as: computers, office equipment, industrial automation systems, medical devices, home theatre systems, and more. It can also provide reliable protection for communications equipment such as: routers, modems, switches, computers, and other networking equipment.

The V681HG34 works by providing a low impedance path for transient current to flow. When a transient event occurs, it limits the voltage across its terminals, reducing the chances of any damage to the protected circuitry. In addition, it provides effective protection from both fast and slow rise times, making it suitable for a wide range of applications.

The V681HG34 is very flexible and can be used in a wide range of electronic applications, from telecoms and computer systems to consumer electronics and beyond. Its low dissipation factor and high operating temperature range make it suitable for many environments. It is also able to provide protection in environments with elevated temperature and humidity, including military applications.

In summary, the V681HG34 is a reliable and highly effective protection device. Its operation is simple and its non-linear resistance-voltage characteristics make it suitable for a wide range of electronic applications. Its low dissipation factor and high operating temperature range make it suitable for a wide range of environments, and its low impedance path for transient current flow make it an effective way to protect sensitive electronic components.

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