MOV-10D220K

Varistor Voltage (Typ):	22V
Package / Case:	Disc 10mm
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 105°C (TA)
Capacitance @ Frequency:	4250pF @ 1kHz
Number of Circuits:	1
Energy:	2.5J
Current - Surge:	500A
Varistor Voltage (Max):	24V
Series:	--
Varistor Voltage (Min):	20V
Maximum DC Volts:	18V
Maximum AC Volts:	14V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS - Varistors, MOVs:

A Metal Oxide Varistor (MOV) is an electronic component of a varistor that acts like a resistor with a variation in resistance. It is most commonly used in power supplies and in other circuits that require voltage control. MOV-10D220K is an example of a varistor widely of used. This article aim to discuss the application fields and working principles of MOV-10D220K.MOV-10D220K is a nonlinear, voltage dependent varistor. Its resistance value is between one and two hundred ohm at a voltage of one hundred volts and it has a high breakdown voltage of over two hundred and fifty volts. It has a wide operating temperature range from -40°C to 120°C. The varistor is RoHS compliant, making it suitable for use in applications that require safety. In addition, the MOV-10D220K has a high pulse current and a short response time, making it ideal for use in applications where a surge protector is needed. Furthermore, it has low inductance and low capacitance so it is suitable for use in high frequency applications.The primary applications for the MOV-10D220K include AC adapters, AC wall sockets, television receivers, digital cameras, and other low voltage electronic devices. It is particularly well-suited for use in Automated Test Equipment (ATE), where its low current noise facilitates accurate measurements.The working principles of the MOV-10D220K are quite simple. When a high voltage is applied to the MOV, the resistance value of the varistor drops sharply and causes an increase in current. This prevents the device from being destroyed by the high voltage. Additionally, if the voltage drops below a certain threshold, the varistor increases in resistance, preventing the device from being damaged by a low voltage. As the voltage is applied to the MOV-10D220K, the current passing through it increases, resulting in a drop in resistance. This creates an inverse relationship between the current and the voltage, meaning that as the voltage increases, so does the current, and vice versa. In other words, when the voltage is applied to the device, the resistance decreases, and when the voltage is removed, the resistance increases, thus providing protection from both high and low voltages.In conclusion, the MOV-10D220K is an example of a widely used varistor. Its primary application is in AC adapters, AC wall sockets, television receivers, and digital cameras. It has a wide operating temperature range, a high pulse current, a short response time, and a low inductance and capacitance. Its working principles are based on the inverse relationship between voltage and current and its resistance value decreases when a high voltage is applied to it, thereby protecting the device from damage.

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