VE13M00251KED

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Varistors, MOVs, or Voltage-dependent Resistor (VDR) as they are sometimes known, are a class of voltage dependent resistor that offers an excellent solution when used in power applications. VDR components are used for voltage protection in numerous applications, such as high voltage transients in AC and DC lines, lightning protection, and surge protection for motors and power systems in general.

VE13M00251KED (hereinafter referred to as \'VDR\') is a non-linear, variable resistor that can be used to protect electronic circuits from voltage spikes or overvoltage situations. It is designed to provide very good protection against static and transient overvoltage. The device is a two-terminal, non-polarized, adjustable voltage divider incorporated with a diode element which creates a voltage-dependent variable resistor.

VDR is typically used in the application of protecting electronic devices from overvoltage situations by means of a voltage clamp. This is accomplished by the creation of a voltage-dependent current path through the diode element. This voltage clamp has the ability to provide a low impedance path for transient currents to flow through, thereby preventing damage to the protected device.

In terms of the working principle of VDR, the device is essentially composed of two main elements, namely the voltage divider resistor and the diode element. The resistor acts as a voltage-dependent current path and the diode element provides the voltage clamp feature. When the voltage across the device is within the specified operating limits, the resistor acts as an open circuit and no current is allowed to flow through the component. When the applied voltage exceeds the specified limits, however, the diode element begins to conduct and the resistor may limit the overvoltage to a safe level.

VDR can be used in a variety of applications, including power systems, power sockets, surge protectors, and communication lines, to provide reliable overvoltage protection. For example, power systems may include high voltage transients, lightning strikes, and various other overvoltage situations where the VDR can prevent damage to the system. Additionally, power sockets and surge protectors may be used to provide protection against power surges or any overvoltage situations. Finally, telephone and communication lines can also benefit from the protection offered by the VDR.

In conclusion, it can be seen that VDR offers an excellent solution in power applications. It provides excellent protection against static and transient overvoltage and is used for protecting electronic devices from voltage spikes or overvoltage situations. The device is composed of two main elements, namely the voltage divider resistor and the diode element, which is responsible for providing the voltage clamp feature. VDR can be used in a variety of applications, such as power systems, power sockets, surge protectors, and communication lines, and can provide reliable overvoltage protection.

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