V14MLA0805LH Circuit Protection

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Varistors, or Voltage-dependent Resistor (VDR), can be used for surges protection and lightning protection for sensitive electronics and electric circuits. They are available in various shapes, sizes and voltages, and are characterized by a high surge capability and low capacitance. The V14MLA0805LH is one such varistor, designed to protect up to a 14V surge.

This varistor has an operating temperature range of -55°C to 150°C, and a maximum capacitance of 30 pF at 1 MHz. Additionally, it has a maximum dissipation power of 0.9 Watts and an insulation resistance of 10 Gigaohms. It features an unprecedentedly low-resistance of 0.015 ohms at 14V AC, and a voltage breakdown of up to 320V AC.

Varistors, and the V14MLA0805LH in particular, are commonly used in a variety of applications, ranging from high-frequency power line protection to automotive electronic protection. In high-frequency power line protection, these devices are able to absorb lightning strikes and other power surges that could damage equipment. In automotive electronics, a varistor can be used to protect controller electronics from destructive high voltage spikes ICs can experience.

The working principle of the V14MLA0805LH varistor is quite simple. It has two terminals, one of which reports the voltage during normal use, and the other is connected to its metal-oxide semiconductor layers. When the voltage rises above the rated 14V, the oxide layers in the varistor become conductive, effectively reducing the current and providing protection from power surges.

Apart from the V14MLA0805LH, there are many other types of varistors available, each designed with a specific voltage rating and features. Overall, varistors offer an effective surge protection and lightning protection solution that helps protect sensitive electronics, and are widely used in many industries.

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