0070.3561.A2

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TVS - Varistors, MOVs

Transient Voltage Suppressors (TVS) or suppressors are a form of non-linear resistive (NRL) device that is commonly used in a variety of applications. Varistors, also known as Metal Oxide Varistors (MOVs), are a type of suppressor that functions by dissipating large amounts of energy during a power surge. The purpose of an MOV is to protect electronic equipment from electrical hazards that are caused by voltage transient or electrostatic discharge (ESD).

The 0070.3561.A2 varistor is a sub-type of the MOV device. It is a three-terminal device consisting of a power terminal (Vpk), a ground terminal, and an output terminal. The output terminal is designed to provide an open-circuit voltage that kicks in when the power terminal voltage approaches the varistor\'s rated peak power voltage.

Application Field

The 0070.3561.A2 varistor can be used in a variety of applications, such as in pulse suppressors for pulse generator circuits, high voltage power supplies, Inrush Current Limiters, and ESD protection. It can also be used in power line filters, to protect sensitive equipment against power surges and voltage spikes. It is also ideal for use in high-voltage circuitry, such as motors and lighting circuits.

Working Principle

The 0070.3561.A2 varistor works by rapidly absorbing incoming power surges and dissipating them in the form of heat. It does so by relying on its internal resistive elements, as well as its internal capacitors, which serve to limit and prevent voltage spikes. When a voltage transient occurs, the varistor clips the transient and diverts it to the ground plate. This rapid clamping action serves to protect any attached equipment from potential electrical harm.

The 0070.3561.A2 varistor is designed to withstand high voltages, with a rated operating voltage of 963V and a peak peak power voltage of 1445V. Its peak peak power dissipation 108W, and its capacitance range of 4.6 to 15.2pF makes it highly efficient in terms of absorbing power surges and voltage transients.

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