0071.3081.A2

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TVS - Varistors, MOVs

0071.3081.A2 application field and working principle

Transient Voltage Suppressors (TVS) are usually used to protect electrical components from overvoltage transients or surges. These surges may be caused by lightning strikes, power disturbances, voltage spikes, electrostatic discharges, or other sources. Transient Voltage Suppressors (TVS) are typically used in combination with or as an alternative to other protective components such as fuses, relays, or circuit breakers.

Varistors and Metal-Oxide Varistors (MOVs) are two common types of Transient Voltage Suppressors. A varistor is a type of Variable Resistor that is used to protect electrical components from damage caused by voltage spikes or surges. Varistors are non-linear and are designed to reduce the voltage spike, in a range above the rated working voltage, so that it falls within the specified limits for the device or system being protected.

A Metal-Oxide Varistor (MOV) is a form of varistor made from a ceramic disc that contains a mixture of semiconductor particles and metal oxides. These particles are arranged in a lattice and are typically exposed to a voltage. When voltage is applied to a MOV, the particles rearrange themselves so that the current flows more easily through the material. MOVs are designed to reduce the voltage of a transient so that it falls within the specified limits of the protected device.

The 0071.3081.A2 is a type of MOV with a maximum breakdown voltage of 17V and a disc capacitance of 8PF at 1kHz. This device is designed to protect sensitive circuitry from voltage transients or surges. It is an ideal choice for protecting power supplies, control systems, motors, and other equipment from voltage fluctuations that may arise from lightning strikes, power disturbances, electrostatic discharges, or other sources.

The 0071.3081.A2 is designed to be used with a current-limiting resistor in order to control the amount of current flowing through the device. When the voltage across the device exceeds the specified breakdown voltage, the current-limiting resistor will limit the current by diverting it away from the device and dissipating it as heat. This reduces the amount of damage done to the protected device or system by limiting the amount of energy that is allowed to flow through the device.

Overall, the 0071.3081.A2 is a versatile and effective device that can be used to protect sensitive equipment from voltage transients or surges. It is an excellent choice for a variety of applications and is designed to protect equipment from damage caused by voltage spikes and surges.

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