V230LA40CPX10

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Varistors, or voltage-dependent resistors (VDRs), are semiconductor-based devices which regulate overvoltage spikes and surges. The V230LA40CPX10 is a type of varistor designed to absorb transient spikes and surges. It has a low clamping profile with an 8/20μs waveform of 280V (1.2/50μs at 300V).

This varistor has several possible applications. As a surge-protective device, the V230LA40CPX10 can provide protection against voltage peak and overvoltage spikes in a variety of electrical systems. It is particularly suitable for converters, communication systems, industrial control and automation systems, and consumer electronics.

The principle of operation for a varistor is simple. It is a voltage-sensitive resistor whose electrical resistance decreases with increasing applied voltage. The resistance will abruptly decrease at a certain voltage threshold called the ‘clamping voltage’. This rapid decrease in resistance is referred to as the ‘clamping effect’. The clamping voltage of the V230LA40CPX10 is 280V (1.2/50μs at 300V). When the voltage reaches or exceeds this threshold, the device will start to conduct, providing a path of low resistance for the surge or spike beneficial to the underlying system.

To further explain the working principle, consider an example. Let’s say a 240V surge occurs in a system which has the V230LA40CPX10 connected. When the surge voltage reaches or exceeds the V230LA40CPX10’s clamping voltage of 280V, the device will begin conducting and thus provide a path of low resistance for the surge. This current limiting forces the current to decrease and the voltage to rise, thus keeping the voltage spike away from the underlying system or components, resulting in increased protection.

The V230LA40CPX10 is a high performance varistor designed to protect against voltage surges and spikes in a variety of electrical systems. With its low clamping profile and clamping voltage of 280V, it is ideally suited for applications such as communication systems, industrial control and automation systems, and consumer electronics. This Varistor is a reliable and cost-effective solution for voltage spike and surge protection.

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