B72205S0131K111

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TVS - Varistors, MOVs

TVS or Transient Voltage Suppressors are one of the most widely used electronic devices in the industry today. They are primarily used to protect sensitive electronic components from transient voltages that may damage them. The two most common types of TVS are Varistors and MOVs (Metal Oxide Varistors). Both types of TVS have similar applications, but differ in their working principles.

Varistors

Varistors are voltage-dependent resistors that are usually made up of an alloy of zinc oxide, aluminum oxide, or a combination of other compounds. They are used to clamp transient voltage levels and protect circuits from overvoltage conditions. They are commonly used in communication systems, industrial control systems, and automotive control systems to protect electronic devices from lightning induced surges.

When a transient voltage is applied to a varistor, it will act like an open circuit and quickly dissipate the excess energy. This is due to the highly non-linear behavior of the varistor at varying voltages and low conduction resistance. A varistor can handle a large amount of energy without damaging the device it is protecting.

MOVs

MOVs or Metal Oxide Varistors are similar to varistors, but are composed of a semi-conductor material such as zinc oxide. These devices are used in a wide variety of applications to protect systems from transient voltage spikes.

MOVs work by limiting the current that flows through a circuit. They are designed to quickly react to changes in voltage and dissipate the excess energy in the form of heat. Unlike varistors, MOVs can only handle a limited amount of energy before they need to be replaced. This makes them ideal for use in applications where large amounts of energy are not expected.

B72205S0131K111

The B72205S0131K111 is a high-performance TVS designed for automotive and industrial applications. It is a three-terminal MOV with a rated current rating of 40A and a maximum clamping voltage of 400V. The device also has very low leakage current and capacitance. This makes it ideal for use in automotive applications where transient voltage suppression is required.

The B72205S0131K111 is designed to protect vehicles from transient voltage events such as induced lightning surges. It can handle a maximum surge energy of 400V for a continuous duration of 30 seconds without damaging the protected load. It can also withstand a peak surge energy of 1.0 kV.

Application Field and Working Principle

The B72205S0131K111 is ideal for use in automotive and industrial applications where transient voltage suppressions is required. It is designed to protect vehicles and associated equipment from the sudden voltage spikes that may be caused by lightning induced surges. The device works by quickly limiting the currents that pass through it and dissipating the excess transient energy in the form of heat.

The B72205S0131K111 is a robust and reliable device capable of withstanding maximum surge energy up to 1.0 kV without any damages. It is also capable of handling large amounts of energy for a variety of applications.

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