V18MLA0805WA

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Varistors, popularly known as voltage-dependent resistors, are the most popular and commonly used electronic components. They are available in many different types, sizes, and shapes, with a wide range of operating parameters and characteristics. The V18MLA0805WA is one type of varistor, designed for compact enclosures and is thermally and mechanically rugged. It is a simple, snap-in module that provides a reliable and simple solution for overvoltage protection.

This device is composed of a zinc oxide resistive element and two leads, which are typically attached to the resistive element. The resistive element has two different characteristics; high resistance at low voltages and low resistance at high voltages. This allows for fast switching times and very low leakage current. The dynamic noise immunity of the varistor helps to protect the circuit from unexpected disturbances, and the thermally stable body increases the varistor’s responsiveness and capacity for operation.

The V18MLA0805WA is a metal-oxide varistor that has a clamping voltage of 8V to 18V. It is capable of handling high surge currents of up to 5000A for 8/20us. This device is particularly well-suited for use in applications such as consumer electronics, automobiles, heavy engineering, and telecommunications.

The typical resistance of the V18MLA0805WA is 35-70 ohms; its series resistance is 0.500 ohms, and its maximum energy handling capability is 840J/freq. The capacitive value of the varistor is 10pF at 1 MHz. The device is also UL recognized and has a rated current of 5A, allowing for the easy connection of multiple devices. It also has a foot-print of 810D.

In terms of its working principle, the V18MLA0805WA is a non-linear resistor that has a voltage-dependent resistance. This means that as the voltage across the device increases, the resistance decreases (down to a minimum level). The device reacts very quickly, making it ideal for applications that require fast switching, such as voltage regulators and switching mode power supplies. The low leakage current helps to reduce power consumption, while the robust construction makes it suitable for use in highly humid or dusty environments.

The V18MLA0805WA is an ideal solution for a wide range of applications due to its compact design, thermally robust performance, and low leakage current. Its high surge current rating allows the device to protect circuit components from overvoltage damage, while its dynamic noise immunity contributes to a more reliable and robust system. Furthermore, its UL recognition helps to ensure its quality and reliability.

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