V22ZA2

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TVS – Varistors, MOVs are considered electronic components designed for circuit protection or transient voltage suppression. The V22ZA2, like other metal oxide varistors (MOVs), can be used to protect electronic circuits from high-voltage transients, such as, for example, electrostatic discharge (ESD) or lightning strikes.

The V22ZA2 is a two terminal bidirectional suppressor whose voltage response can be specified from 6.8 volts to 22 volts – its maximum rated transient breakdown voltage. It can handle surge currents from 5A to 200A. Its ground bond capability is specified up to 8A.

The working principle of the V22ZA2 is based on the behavior of a nonlinear semiconductor junction. This semiconductor junction is typically composed of zinc oxide and several other metal oxide elements and acts as a voltage-dependent variable resistor. When exposed to an overshoot or pulse voltage transient, the voltage across the junction rises, and the junction begins to reduce its resistance. The reduction of the junction’s resistance dissipates the energy of the transient, and this protects the circuit from damage.

The V22ZA2 comes with a number of features that make it well-suited for many applications. Its semiconductor junction is internally protected from thermal runaway and thermal stresses. This ensures that it can handle higher overloads with a low chance of failure. It also has low stray capacitance which allows it to be used in high frequency applications such as mobile phone protection. The small lead pitch and pack style further enables its use in high density applications.

The V22ZA2 can be used for numerous applications, such as surge and transient protection of consumer electronics and power supplies, industrial protection circuits, automotive and battery protection, and solar inverters. Moreover, because of its high clamping voltage and high transient energy handling capability, it can also be used in harsh environment and military applications.

In conclusion, the V22ZA2 is a highly reliable and robust transient voltage suppressor well-suited for a wide range of applications ranging from consumer electronics to industrial and military applications. Its wide voltage range and an internal protection from thermal runaway and thermal stresses make it suitable to handle transient currents up to 200 A and ground bond currents up to 8 A.

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