V22ZT3PX2855

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The V22ZT3PX2855 is a TVS (Transient Voltage Suppression) device; part of the varistor family that also includes MOVs (Metal Oxide Varistor). This device is used to protect electrical circuits from voltage spikes/transient surges that might otherwise cause damage in the form of short-circuiting or disruption of the normal flow of the current. This type of protection is sometimes referred to as ESD (electrostatic discharge) protection, line conditioning, or surge protection.

The V22ZT3PX2855 is a Zinc Oxide Varistor (ZnO VDR) designed to survive high voltage transients of up to 7500 Volts. It has a very low turnon voltage of just 28 Volts, and is able to conduct up to 35 Amps of current when triggered. The Varistor media is highly resistant to temperature extremes from -55˚C to +125˚C, making it suitable for use in most industrial and automotive applications.

In order to function properly, the device relies on a voltage-dependent nonlinear resistance. This works on a ‘clamping’ principle, which means that it is able to reliably absorb the excess voltage surges above its rated breakdown voltage, thus protecting the device/circuit itself.

The device is designed to be inserted between two circuit points; usually between the power source and the device it is intended to protect. When the voltage reaches a certain predefined threshold, the varistor is triggered, and its resistance drops significantly. This, in turn, increases the total capacitance of the circuit and helps to reduce the amount of current passing through it, thereby limiting the damage that could potentially be caused by the voltage transient.

Due to its high surge capability, excellent temperature range, and low turnon voltage, the V22ZT3PX2855 is ideal for protection against spikes in high-speed signals, power system upsets, and lightning. It is also an excellent choice for automotive applications, where it can provide long term protection against transient voltage and reverse battery connection.

The V22ZT3PX2855 is a robust, reliable, and cost-effective solution for most transient voltage situations. With its low turnon voltage, high surge capability, wide temperature range, and high reliability, it fulfills a wide range of applications, from automotive to industrial, and more. With its wide acceptance in both the consumer and industrial markets, the V22ZT3PX2855 is an ideal choice for ESD protection, line conditioning, and surge protection.

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