V18ZS1P Circuit Protection

Varistor Voltage (Typ):	18V
Package / Case:	Disc 7mm
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 85°C (TA)
Capacitance @ Frequency:	2700pF @ 1MHz
Number of Circuits:	1
Energy:	0.80J
Current - Surge:	250A
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:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction to V18ZS1P Application Field and Working PrincipleA varistor, or Metal-Oxide Varistor (MOV), is a type of electronic component that has voltage-dependent, nonlinear characteristics. This means it responds to changes in applied voltage by either increasing or decreasing its resistance value, depending on the voltage applied. It is typically used to protect electrical and electronic circuits from overvoltage, high frequency transients, and spikes.V18ZS1P is a varistor series introduced by NXP Semiconductors. It is a type of Metal-Oxide Varistor (MOV) that is specifically designed to provide protection against transient voltage surges. It is characterized by nonlinear behavior over very wide voltage range (from as low as 1.5 V to as high as 440 V).V18ZS1P Application FieldV18ZS1P is mainly used for overvoltage protection in consumer electronics, industrial electronics, electronic appliances, motor drives, automotive electronics, etc. It offers high transient absorption capability and excellent surge protection up to 440V. It is designed to provide superior protection from power disturbances, overvoltages, and transients.The V18ZS1P also has application in other industries such as the telecommunications industry. It can be used to protect telephone lines, DSL lines, and other communications lines from power surges and voltage transients. Additionally, it is also suitable for other overvoltage protection applications in electronic and electrical circuits.V18ZS1P Working PrincipleV18ZS1P operate by connecting a nonlinear resistor, or varistor, to the electrical circuit in parallel. The varistor has a highly nonlinear internal resistance that is dependent on the voltage across it. When there is no voltage applied across the varistor, its internal resistance is very high and it effectively isolates the electrical circuit from any external voltage.When a voltage is applied across it, the internal resistance of the varistor decreases sharply, allowing the circuit to be connected to the external circuit and allowing electrical current to flow. Unfortunately, when the applied voltage exceeds the breakdown voltage of the varistor, the internal resistance increases again and the circuit is effectively isolated once more.The V18ZS1P series of varistors are able to provide effective protection against transients and high frequency surges due to their highly nonlinear characteristic and wide operating voltage range. They are capable of absorbing very high surge voltages without damaging the internal components of the protected equipment.ConclusionV18ZS1P is a series of Metal-Oxide Varistors (MOVs) that are designed to provide effective overvoltage protection in a wide variety of applications. They are characterized by their nonlinear behavior in response to changes in applied voltage and can absorb very high surge voltages without damage. They are suitable for use in consumer electronics, industrial electronics, automotive electronics, motor drives, telecommunications, and many other applications.

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