ROV05-201K

Varistor Voltage (Typ):	200V
Package / Case:	Disc 5mm
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C (TA)
Capacitance @ Frequency:	85pF @ 1kHz
Number of Circuits:	1
Energy:	7.1J
Current - Surge:	400A
Varistor Voltage (Max):	220V
Series:	--
Varistor Voltage (Min):	180V
Maximum DC Volts:	170V
Maximum AC Volts:	130V
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS - Varistors, MOVs

The ROV05-201K is an important device, designed for use in high voltage applications. It is a Varistor, or Voltage Dependent Resistor (VDR), and it is intended for the protection of electric circuits from the damaging effects of overvoltage. It helps to protect the circuit against high voltage transients, thereby preventing damage to connected components and circuitry.A Varistor is a voltage-dependent resistor which has a resistance that varies with voltage. It is essentially a special kind of diode and, when connected across a DC power supply, it acts similar to a diode, providing current flow in one direction only. At low voltage, the resistance of the varistor is very high and no current can pass through. However, as the voltage increases, the resistance decreases, allowing current to flow through it. This effect is useful for the protection of sensitive circuits, because the varistor can be designed to have its resistance low enough at a particular voltage (the trigger voltage) to allow current to flow through the circuit, yet high enough at lower voltages to provide circuit protection.The ROV05-201K Varistor has a trigger voltage of 200V, meaning that it will begin to provide current flow to the circuit when the voltage reaches or exceeds this level. The device has a clamping voltage of 400V, meaning that the maximum voltage at which it can operate is 400V. This makes it ideal for overvoltage protection in high energy circuits, such as those used in automobile engines and industrial machinery.The ROV05-201K Varistor has a breakdown voltage of 770 volts, which is the maximum operating voltage of the device. It also has a maximum surge current rating of 30 amperes, which makes it ideal for use in applications where the current surge is higher than normal.One of the most important features of the ROV05-201K is its fast response time. When a circuit is exposed to an overvoltage, the varistor responds quickly and suppresses the surge of current, allowing the connected components to remain undamaged. In addition to its use for overvoltage protection, the ROV05-201K can also be used for noise reduction in sensitive circuits. The device helps to reduce the level of electrical noise in the circuit by damping high frequency spikes, allowing the correct operation of the circuit to take place.The ROV05-201K is a versatile device and can be used in many applications. Its low leakage current, fast response time and high surge current rating make it ideal for overvoltage protection. It is also a cost effective solution for noise reduction in sensitive circuits.

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