MOV-20D431KTR

Varistor Voltage (Typ):	430V
Package / Case:	Disc 20mm
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C (TA)
Capacitance @ Frequency:	930pF @ 1kHz
Number of Circuits:	1
Energy:	190J
Current - Surge:	6.5kA
Varistor Voltage (Max):	473V
Series:	--
Varistor Voltage (Min):	387V
Maximum DC Volts:	350V
Maximum AC Volts:	275V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS- Varistors, MOVs

MOV-20D431KTR is an important component in the field of Surge Protective Devices (SPDs). It is a metal oxide varistor that is used as a transient voltage suppression device, which effectively absorbs and diverts transient energy currents away from delicate electronic equipment. MOV-20D431KTR is made of a specially blended nonlinear material that provides an excellent level of protection against high-energy surges. Moreover, it has low on-state impedance, so it can absorb large transient current pulses without conductive or inductive distortion.Working PrincipleThe MOV-20D431KTR device is designed to work as a voltage clamping device, providing an effective level of protection against transient surge energy that can cause catastrophic damage to connected components. The device works by utilizing a positive temperature coefficient (PTC) material, which has a resistance that increases along with the temperature of the material. The material is contained in zigzag shape electrodes, made up of two contacts. When the surge voltage exceeds the rated voltage, the resistance quickly builds up and starts dissipating the current as heat. During this process, the current is dissipated, and the voltage across the contacts is clamped to the rated voltage.The MOV-20D431KTR device is also designed to respond instantly to changes in temperature. Its fast and reliable transient response to changing thermal conditions ensures that it can provide effective protection for connected electronic components. It is manufactured in a variety of sizes, with different voltage thresholds and power dissipation ratings, so that it can be used to effectively protect a wide range of electrical components against transient surges.Application FieldMOV-20D431KTR is used extensively in a variety of electrical and electronic systems, such as those in home appliances, multimedia and telecommunications components, industrial equipment, and automotive systems. It is also used to provide surge protection in electrical and communication networks, including low voltage power distribution systems, AC power lines, telecommunication equipment, and computer systems. It can also be used to protect equipment from energy related damages caused by lightning strikes, power surges, electrostatic discharges, and other similar over-voltage events.The MOV-20D431KTR device is also used in a variety of safety critical applications, such as those found in medical equipment. Its high-speed response time, low on-state impedance and excellent current absorption capacities ensure that it can protect delicate electronic components and systems against power surges and other transient voltage events. Its industry standard ratings and safety approvals make it suitable for a wide range of applications, as well as for safety critical use.ConclusionMOV-20D431KTR is a reliable and effective surge suppression device that is used extensively in a variety of applications. Its fast response time, high current absorption capacities and wide range of sizes and ratings make it suitable for a wide range of applications. It is designed to quickly remove transient voltages from the system, ensuring that electronic equipment remains safe and undamaged. The device is also manufactured with industry standard ratings and safety approvals, making it suitable for safety critical applications. As such, MOV-20D431KTR is an important component in the field of SPDs and continues to find widespread use in many areas of electronics.

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