MOV-10D470K

Varistor Voltage (Typ):	47V
Package / Case:	Disc 10mm
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 105°C (TA)
Capacitance @ Frequency:	2100pF @ 1kHz
Number of Circuits:	1
Energy:	5.5J
Current - Surge:	500A
Varistor Voltage (Max):	52V
Series:	--
Varistor Voltage (Min):	42V
Maximum DC Volts:	38V
Maximum AC Volts:	30V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS - Varistors, MOVs

The MOV-10D470K is a high quality moveable metal oxide varistor (MOV), manufactured by reputed brands such as Bourns, Takamisawa, and Vishay. It is commonly used in industrial applications, like lightning protection circuits, and provide protection against voltage spikes and surges in power lines. In this article, we will discuss the application field of the MOV-10D470K, and its working principle.

Application Field

MOVs are used in a variety of industrial and consumer electronic applications, ranging from TV sets and DVD players to industrial equipment and home appliances. The MOV-10D470K, in particular, is designed for AC line voltage protection in domestic and industrial applications. Its compact size makes it suitable for mounting on circuit boards in a wide range of electronic devices.The MOV-10D470K has a maximum operating voltage of 980VAC, and a maximum current rating of 10A. It is rated at 600V in a 40°C environment, making it suitable for applications where current is expected to remain below 10A. It has a typical response time of 10 to 200 nanoseconds.

Working Principle

The MOV-10D470K is a type of MOV (Metal Oxide Varistor) which is composed of metal oxide particles held in a matrix. When a voltage is applied across the MOV, these metal oxide particles become polarized which causes them to become conductive. This conducts excess current away from the device, thus providing electricity surge protection.The MOV-10D470K is a non-linear resistance device. This means that it has an electrical resistance which is dependent on the applied voltage. When the applied voltage is below its clamping level, the MOV has a high resistance and almost no current flows through it. However, when the voltage is above the threshold level, the current will increase rapidly and the MOV will become conductive.The MOV-10D470K is able to absorb and withstand up to 980V of continuous AC line voltage. It is also able to absorb and dissipate up to 10A of current, making it suitable for most AC line applications.

Conclusion

The MOV-10D470K is a high quality moveable metal oxide varistor, used in industrial applications for lightning protection circuits. It is rated at 600V in a 40°C environment and has a maximum operating voltage of 980VAC. It has a maximum current rating of 10A, and a typical response time of 10 to 200 nanoseconds. Its non-linear resistance makes it suitable for AC line protection, as it can absorb and dissipate up to 10A of current.

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