V150LT2PX2855

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The V150LT2PX2855 is a surge suppressor manufactured by Littelfuse Inc. It is a varistor or metal oxide varistor (MOV) that acts as a voltage-dependent resistor. It is designed to protect against transient surges, or voltage spikes, that can occur in electrical systems. It is used in a variety of applications, such as automotive, industrial, and consumer electronics.

The V150LT2PX2855 is a two-terminal device with an MOV disk-shaped body of 75mm in diameter and 13mm in height. It has a voltage rating of 155VAC, a surge current rating of 3000A, and a frequency rating of DC to 400Hz.

The V150LT2PX2855 is typically used for overvoltage protection in electronic and electrical equipment, home appliances, automotive, and industrial systems. It can be used to protect sensitive electronic components from lightning-induced surge currents. It can also be used for providing circuit isolation, or as a current-limiting element in low-voltage and current applications.

The working principle of an MOV is based on the theory of the negative temperature coefficient of electrical resistance. When a surge or a voltage spike is applied, the varistor’s resistance increases, limiting the current flow. This provides protection from overvoltage and short-circuit conditions.

The MOV is typically connected in series with an external current-limiting element such as a fuse or a thyristor. This provides additional protection in case of an overcurrent condition and ensures the MOV does not become overloaded. The fuse or thyristor also allows the varistor to be replaced in case of failure.

The V150LT2PX2855 is RoHS compliant and RoHS compliant-capable. It has a temperature coefficient of -3500 to -5500 PPM/ °C, and can be used in temperatures ranging from -40°C to +85°C.

Overall, the V150LT2PX2855 is an efficient and reliable device for protection against transient surges and voltage spikes. Its use is widespread in a variety of automotive, industrial, and consumer electronics applications. It is easy to install and maintain.

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