V18ZS2

Varistor Voltage (Typ):	18V
Package / Case:	Disc 10mm
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 85°C (TA)
Capacitance @ Frequency:	5300pF @ 1MHz
Number of Circuits:	1
Energy:	1.5J
Current - Surge:	500A
Varistor Voltage (Max):	19.8V
Series:	ZS
Varistor Voltage (Min):	16.2V
Maximum DC Volts:	14V
Maximum AC Volts:	10V
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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V18ZS2 Application Field and Working Principle

Varistors, also known as variable resistors, are two-terminal electronic components. They are most commonly used for the absorption of excess voltage or as a way of providing protection against transient overvoltage (MOVs). V18ZS2 is an example of a varistor, and a look at its application fields and working principle provides a better understanding of this technology.

Application Field

Among its many potential applications, V18ZS2 is often used in automation machinery, power supplies, surveillance systems, inverters, personal computers, and server systems. It is best used in applications requiring voltage shock protection, as it can withstand a voltage range between 140V-420V. V18ZS2 is also suitable for use in AC/DC systems as long as the ambient temperature doesn’t exceed 75 degrees Celsius (within a range of -25 to +75).

Working Principle

The main functioning of V18ZS2 is based on the “voltage-current” relationship between its two terminals, which creates a special “nonlinear” characteristic. As a result, it is capable of consuming excess voltage and works as a high-voltage clamping device. The functioning of V18ZS2 is heavily dependent on the surge current absorbed by it, which is determined by a voltage “trip point” set by the user. In the event of an overvoltage, V18ZS2 will allow surge current to pass, thus limiting the excessive voltage. In order to have an appropriate response time, the V18ZS2 varistor must be able to increase in size and decrease impedance just as the current flows through it.

Benefits of V18ZS2

There are many other benefits of using V18ZS2, such as excellent surge current handling capacity, high-cycle life expectancy, low leakage current, RoHS compliance, and wide operating temperature range. In addition, V18ZS2 is designed to provide safety against voltage surge, and it has a durable, non-flammable construction. The main benefit of V18ZS2 is its exceptional ability to withstand shock and transient overvoltage, which is essential in applications where there is a risk of excess voltage.

Conclusion

V18ZS2 is a type of varistor technology whose main function is to absorb excess voltage. It has a wide range of applications, from power supplies to surveillance systems, and is best used in applications requiring voltage shock protection. The main benefit of V18ZS2 is its high surge current handling capacity and excellent ability to withstand shock and transient overvoltage, making it an excellent choice for those in need of such protection.

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