V18ZS3PX2855

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Varistors, MOVs, and other forms of Transient Voltage Suppressors (TVS) are commonly used in electronics, power supplies, and communication systems. They are used to protect devices and systems from damage due to overvoltage or transients caused by lightning, power fluctuations, and other forms of electrical interference. The V18ZS3PX2855 is one such device and is widely used for its high voltage and surge current capabilities.

The V18ZS3PX2855 is a three-terminal, surface-mount device that can be connected between two lines with differential voltage. It has a peak pulse current of 18A and a peak power dissipation of 1.7kW, making it an excellent choice for a variety of electrical protection applications. It can be used for AC/DC motor control circuits, telecom systems, electrical devices such as AC fan motors, and power supplies. Besides the high surge current and peak power capabilities, the V18ZS3PX2855 also has a relatively low dynamic resistance, allowing it to handle high transient surges with minimal stress on the protected device.

The V18ZS3PX2855 has a working principle based on an electrolytic zinc-oxide thin film. The device is constructed with two layers of ZnO-film, one that is conductive and one that is insulating. When an overvoltage or surge occurs, the thin film expands, creating a conductive path. The device then acts as a short circuit, dissipating the incoming current and protecting the circuit from damage. The V18ZS3PX2855 has a high temperature stability that allows it to operate efficiently in temperatures ranging from -55˚C to +125˚C and has a wide clamping range of 15V to 400V. The device also has a low clamping voltage that helps to minimize peak current ratings and reduces the risk of damage to the protected device.

The V18ZS3PX2855 is a versatile device that is well suited for protecting circuits from overvoltage and overcurrent transients. It has a high peak pulse current rating and peak power dissipation, high temperature stability, and a low clamping voltage. This makes it ideal for applications such as AC/DC motor control circuits, telecom systems, power supplies, and other types of electrical devices where high voltage and surge current protection is needed. With its excellent performance characteristics, the V18ZS3PX2855 is an excellent choice for protecting circuits from damaging electrical transients.

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