ROV07-301K

Varistor Voltage (Typ):	300V
Package / Case:	Disc 7mm
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C (TA)
Capacitance @ Frequency:	135pF @ 1kHz
Number of Circuits:	1
Energy:	21J
Current - Surge:	1.2kA
Varistor Voltage (Max):	330V
Series:	--
Varistor Voltage (Min):	270V
Maximum DC Volts:	250V
Maximum AC Volts:	195V
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS - Varistors, MOVs

TVS diodes, or transient voltage suppressors, are electronic components used to protect integrated circuits or other sensitive equipment from overvoltage. They are widely used in automotive, aerospace and industrial applications to provide protection from surges and spikes of voltage. Varistors, metal Oxide Varistors (MOVs), and Thermally Protected Varistors (TPV) are all types of TVS diodes.ROV07-301K is a metal oxide varistor (MOV). It provides protection from voltage transients, or spikes, up to 400 volts peak while supplying peak current up to 6000 amps. This MOV provides a very low resistance and high capacitance, which makes it suitable for suppression of high-energy transient noise of electric lines, thereby preventing damage to circuits and electronic components.The working principle of ROV07-301K involves the use of two principal processes: leakage and capacitance. During a voltage transient, the MOV acts as a leaky resistor, allowing current to flow through it. This current quickly flows through the internal leaky resistor which limits the amount of current that can reach the protected circuit. The MOV also acts as a capacitor. During the transient, the MOV behaves as a capacitor as it stores the energy from the transient voltage. The power stored in the capacitor is then dissipated through the MOV, releasing the energy safely without allowing the circuit to be damaged by the transient voltage. The MOV also has an internal thermally activated varistor, which prevents the MOV from becoming overworked and heated due to frequent transients. This device acts as a safety mechanism to protect the MOV from overheating and resulting damage.The ROV07-301K can be used in a wide range of electrical and electronic applications including automotive, industrial and military applications. It is especially suitable for use in applications where high energy transients are common, such as lightning strikes, supply line transients and disruptive impulses from motors. Its high peak current capability makes it ideal for use in high-energy transients such as those associated with computers, telecommunications equipment, power supplies and industrial control systems. The main advantage of the ROV07-301K is its high capability in suppressing and protecting against transients. The MOV suppresses transients up to 400 volts peak while providing peak current up to 6000 amps. Transients are contained and controlled, meaning that the risk of damaging the protected circuit or component is reduced. The thermally activated varistor further enhances this protection by providing a safety mechanism that limits the amount of heat that the MOV can be exposed to. In conclusion, the ROV07-301K is a metal oxide varistor designed to protect against transient voltage events. It is suitable for a variety of application types and is capable of handling transients up to 400 volts peak while providing current up to 6000 amps. It provides protection from possible circuit or component damage due to overvoltage through its leaky resistor and capacitance mechanism, as well as its thermally activated varistor. The ROV07-301K is an excellent choice for those applications that require a reliable and effective protection solution from transients.

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