B72580T0300K062

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Varistors, also known as voltage-dependent resistors (VDRs), are a type of non-linear electrical component that exhibits a non-linear resistance characteristic over a wide range of voltages. It is used to provide a level of protection against overvoltage in electronic circuits. MOVs (metal-oxide varistors) are a subset of varistors that are composed of metal of two different types of oxide materials. B72580T0300K062 is one type of metal-oxide varistor.

Application Field

Varistors are typically used in power supplies, personal computers, telecommunications systems, and automotive electronics. B72580T0300K062 is used to protect against transient overvoltages and is widely used in these applications, as well as radio frequency (RF) systems. Specifically, this type of MOV can be used to protect an RF system against ESD (electrostatic discharge) or voltage transients. This MOV also can protect DC/DC converters, AC and DC power transients, DC motor control circuits, electronic circuit boards, and power line filters from voltage transients.

Working Principle

Varistors, and MOVs such as the B72580T0300K062, work by using two semiconductor layers to create a non-linear resistive curve. This resistive curve allows for a relatively low resistance path between two terminals when the applied voltage is below a certain level, called the rated clamping voltage. If a voltage above the rated clamping voltage is applied, the resistance between the two terminals exceeds some maximum limit and the voltage is shunted to ground, thus protecting the circuit or system.

MOVs are typically designed to have a peak current handling capacity which, when the varistor is operating at its maximum rated voltage, limits the maximum peak current through the MOV. This can be important in the design of circuits because it allows the MOV to work as a non-linear resistor in situations where the current level could otherwise cause permanent damage. This peak current handling capacity of the B72580T0300K062, for example, is configured to protect the device from being over-stressed at any given voltage.

MOVs have a wide variety of uses in modern circuits and systems. The B72580T0300K062 is a good example of how an MOV can be leveraged to protect vulnerable components and systems against transient overvoltage. This type of MOV can be used to protect a wide range of circuits and systems from transient overvoltages and to ensure that the devices and systems that rely on them are protected from permanent damage.

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