V18AUMLA1812H Circuit Protection

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The V18AUMLA1812H varistor is a versatile voltage-dependent thermally-protected MOV product that helps protect electronic equipment from overvoltage transients generated by an external source or internally. This type of device acts as an efficient electrical protection component for devices that experience high-voltage transient events, such as high-voltage transients that occur when switching power supplies, microprocessor-controlled systems, or other electronic equipment with vulnerable internal circuitry.

The V18AUMLA1812H has a wide range of applications in the electronic protection industry, ranging from military and aerospace applications to telecommunications and consumer electronics. It is designed to be used in applications that require protection from surges above 50 volts, with current ratings up to 20 amperes. It can also be used as a reverse-blocking component to protect components from reverse-polarity transients.

The working principle of the V18AUMLA1812H varistor involves a clamping of the voltage spikes that occur due to overvoltage transients. When a transient occurs, the V18AUMLA1812H varistor will quickly clamp the voltage at a preset level. The device uses a specialized clamping diode which works in concert with a thermal overload protection circuit to provide the ultimate protection from any overvoltage surge. The thermal protection circuit will trip the device off and reset it if the device reaches its maximum rated temperature, ensuring that the circuit does not continue to be overloaded.

The V18AUMLA1812H varistor can be easily mounted and requires no special tools for installation. The device is RoHS compliant and is designed for easy integration into many different types of applications. It is available in both SMD and thru-hole packages, making it suitable for mounting in narrow spaces. Additionally, its high-quality construction and low profile design ensure that it will last for many years of reliable operation.

In summary, the V18AUMLA1812H varistor is a versatile voltage-dependent thermally-protected MOV product that provides excellent protection from overvoltage transients due to both external and internal sources. It is designed to be used in applications that require protection from surges above 50 volts, with current ratings up to 20 amperes. Its specialized clamping diode and thermal overload protection circuit make it ideal for protecting components from high voltage transients. It is easy to install and suitable for use in a wide range of applications.

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