MOV-20D681KTR

Varistor Voltage (Typ):	680V
Package / Case:	Disc 20mm
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C (TA)
Capacitance @ Frequency:	600pF @ 1kHz
Number of Circuits:	1
Energy:	220J
Current - Surge:	6.5kA
Varistor Voltage (Max):	748V
Series:	--
Varistor Voltage (Min):	612V
Maximum DC Volts:	560V
Maximum AC Volts:	420V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Varistors, MOVs

Transient Voltage Surge Suppressors (TVS) is an important electrical device used to protect electronic circuits from damage due to overvoltage transients. These devices can be divided into two main categories: varistors and MOVs (Metal Oxide Varistors).MOVs, short for Metal Oxide Varistors, are widely-used in the industry for the protection of sensitive electronic components from over-voltage transients. MOVs are used in many different applications, including power supplies, control circuits, communication systems, and more. The MOV-20D681KTR is a type of MOV specifically designed for application in DC circuits.The MOV-20D681KTR is designed for power supply and telecom circuits, and is particularly well-suited for telecom applications such as base stations, communication towers, Digital Subscriber Line (DSL) modems, and more. It is capable of suppressing transient voltage spikes of up to 200 volts and can handle an operation current of up to 200mA. This device is also designed to have a low clamping voltage, making it ideal for sensitive applications.The MOV-20D681KTR has a working principle that is similar to all MOVs. When exposed to a surge voltage, the MOV acts as a short-circuit and rapidly conducts current, diverting the surge voltage away from the protected components. This surge voltage is then dissipated as heat when the current passes through the MOV. The MOV then returns to its normal state once the surge voltage has passed.In addition to surge protection, MOVs are also used for line filtering, due to their low impedance. This low impedance helps ensure that low-level signals are not affected by external noise. In a DC circuit, this noise can come from electric motors, switching power supplies, and other common noise sources.The MOV-20D681KTR is an excellent solution for reliable transient protection in sensitive DC applications. Its high current and low clamping voltage capabilities make it a perfect choice for many telecom and power applications. With its low impedance and ability to filter out noise, the MOV-20D681KTR is well-suited to providing reliable short-circuit protection and line filtering in telecom and power supplies.

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