V150LS20APX10

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TVS (transient voltage suppressors) are electronic components designed to protect electrical circuits from overvoltage transients caused by electrical disturbances such as electrostatic discharge, lightining strikes, and electrical noise. TVS devices are typically used in automotive applications, such as in the circuits of car computers and electrical systems. Varistors and MOVs (metal oxide varistors) are two common types of TVS devices.

The V150LS20APX10 is a metal oxide varistor (MOV) from Littelfuse. MOVs are two-terminal non-linear passive electronic components that protect circuits from overvoltages, typically caused by lightning strikes, power line surges, and other transient events. The V150LS20APX10 has an operating voltage of 150V AC and a maximum peak surge current of 20A. It also has a low clamping voltage of 188V, a tendency to self-heal damaged elements, and a wide operating temperature range of -40 to 85 degrees Celsius.

MOVs are typically used in a wide range of devices and applications, including computers, printers, TVs, and other consumer electronics. The V150LS20APX10 is well suited for applications requiring an extended holdover voltage, as well as for outdoor applications such as photovoltaic (PV) and solar panel installations, street lighting, and wind turbines.

The working principle of the V150LS20APX10 is relatively simple. When an overvoltage or surge current passes through it, the device begins to conduct electricity. As the magnitude of the surge increases, the device begins to dissipate energy, which eventually causes it to fail. This is known as "clamping." The device\'s clamping voltage is the voltage at which it begins to dissipate energy, and this is typically much higher than the operating voltage of the device.

When the MOV becomes saturated (overloaded), it begins to bypass current, causing it to heat up excessively and eventually fail. To prevent this from happening, MOVs are designed with a thermal fuse to protect the device from excessive temperatures. The thermal fuse will then open up when the MOV exceeds its limit, thereby preventing any further damage to the device.

The V150LS20APX10 is a reliable and cost-effective overvoltage protection device. It is well suited for use in a wide range of applications, particularly applications requiring extended holdover voltage protection. In addition, its thermal fuse and self-healing properties make it a great choice for outdoor applications such as photovoltaic and solar panel installations, street lighting, and wind turbines.

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