ROV05H471K-S

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TVS - Varistors, MOVs are electronic components used to protect equipment against high voltage transients and electromagnetic interference (EMI) which can cause damage and disruption to equipment. ROV05H471K-S is a voltage-dependent resistor (VDR), a type of Varistor commonly used in power supply circuits. It is designed to act as a switch between two different voltage states, in order to protect equipment from the effects of high voltage transients.

The ROV05H471K-S is a non-linear device, and works by providing a low-resistance path between Node 1 and Node 2 during high voltage transients. This low-resistance path diverts the high-voltage surge away from Node 1 and Node 2, protecting the connected circuits from damage.

In terms of applications, the ROV05H471K-S is primarily used in power supplies, in order to protect sensitive electronic circuits from voltage spikes or surges. Its relatively small size and low cost makes it well-suited for applications requiring a high degree of protection, and it can be integrated into existing power supplies without significant modifications.

It is also used in high-voltage electrical circuits, such as in the automotive industry. By diverting high-voltage transients away from critical circuits, the ROV05H471K-S can help to minimize the risk of damage or disruption to sensitive components.

When it comes to the working principle of the ROV05H471K-S, the device is composed of two main parts: a P-type region and an N-type region. The P-type region, consisting of an anode and a cathode, is connected to both Node 1 and Node 2. During normal operation, the P-type region acts as an open circuit, allowing current to pass freely between Node 1 and Node 2.

When a high voltage transient occurs, the P-type region becomes conductive and serves to divert the current away from the connected nodes. As the voltage of the transient increases, the resistance of the device decreases, allowing more current to be diverted away from the connected nodes. This serves to minimize the effects of a high-voltage transient on the connected nodes.

In summary, the ROV05H471K-S is a voltage dependent resistor used to protect equipment from the damaging effects of high voltage transients and electromagnetic interference. Its relatively small size and low cost makes it an attractive choice for applications requiring a high degree of protection, such as in automotive, power supply, and high-voltage electrical circuits. The device works by providing a low-resistance path during high voltage transients, allowing current to be diverted away from connected nodes. In this way, the ROV05H471K-S is able to provide an effective level of protection to equipment from voltage transients and electromagnetic interference.

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