V130LS10A

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V130LS10A is a two-terminal, non-polarized metal oxide varistor, equipped with unique design features such as low voltage protection, low inductance, low static leakage current and high surge handling capabilities. It has a maximum working voltage of 10 VDC and maximum power rating of 2 W. It is specifically designed for providing transient over-voltage protection of circuits powered by low-voltage AC/DC and DC dc source.

The main application field of V130LS10A varistor is Power Supplies, and its common working principle is for protecting DC components and electrical circuits from transient overvoltage. It is an economic and reliable choice for surge and overvoltage protection. It is based on the varistor principle, where the current/voltage characteristic is non-linear and the Joule heat dissipation is adopted to dissipate transient energy and keep the voltage level within the safe range.

V130LS10A varistor works as a voltage-triggered switch. When the voltage of the electrical circuit is within the clamping range, the varistor stays OFF (which means no current flow). When the voltage of the electrical circuit exceeds the clamping range, the varistor turns ON instantly, issuing electric current through the varistor and limiting the voltage to the varistor’s maximum working voltage.

The metal oxide varistor works according to the “valve effect” principle. When the current of the electrical circuit is equal to or smaller than the rated current, the resistance is high, and the current does not flow. When the current is larger than the rated current, the oxide film in the varistor is interrupted, the resistance is low, and the current flows. This is how the varistor can limit the voltage in the electrical circuit. This feature allows the varistor to be used to suppress electrical surges or provide a wide range of over-voltage protection.

Furthermore, V130LS10A varistor is also equipped with soft switching feature. It keeps the voltage detecting level low during steady state and reaches a higher voltage detecting level only when it is working. This feature helps to reduce the electric leakage of the electrical circuit, keeping it always silent.

In addition, the V130LS10A varistor has high surge-current capability. With the advance of semiconductor technology, the varistor can absorb large amount of surge energy without being damaged, making it suitable for protecting the power supply of widely-used computer-based equipment.

The V130LS10A varistor is an important component of the protection circuitry which helps to protect the low voltage powered circuits from transient over-voltage. It combines the advantages of low static leakage current, low voltage protection and high surge handing capabilities, making it an ideal choice for the secure and economic protection of electrical circuits.

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