VDRS05C130BSE

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TVS (Transient Voltage Suppressors) and MOVs (Metal Oxide Varistors) are both designed as over-voltage and surge protection devices for electrical and electronic equipment. Varistors, or voltage-dependent resistors, are one type of MOV. VDRS05C130BSE is a unidirectional Varistor, which is mainly used to protect sensitive electronic equipment from hazardous over-voltage transients such as electrostatic discharge (ESD). This type of device is essential to prevent electronic systems from getting damaged from these transients.

The VDRS05C130BSE Varistor is able to absorb surges from 2kV to 50kV, making it suitable for medium to high-voltage surge protection applications. The device has an operating temperature range of -40 °C to +85 °C and has a maximum peak pulse current rating of 1.25A. It has a high surge capability of 50 Joules, which makes it ideal for applications such as power supplies, motors, and motor control circuits; telecommunications systems; and computer systems.

The VDRS05C130BSE Varistor works by using a junction diode or MOV element. When a transient voltage is applied across the Varistor terminals, the diode junction is forced in the forward direction and starts conducting. This leads to the absorption of the transient voltage and the redistribution of the energy over time. As the transient voltage and current are dissipated, the diode junction moves back to its original reverse bias state and the Varistor recovers its blocking capability. The Varistor then continues to provide protection against further transients.

The Varistor is constructed of a zinc oxide semiconductor material, which has a high resistive voltage-dependent characteristic with a low resistance at low voltage levels. This material has been specially designed to limit and drastically reduce surge voltages. The Varistor\'s electrical design is unique in that it can provide protection from transient pulses at voltages that are much higher than the normal operating voltage.

In addition, the VDRS05C130BSE Varistor has the capability to withstand large surge currents and concentrated energy pulses due to its high thermal conductivity. Its high thermal conductivity enables it to absorb and dissipate heat better than other MOVs, increasing the lifespan of the device.

The Varistor also has open circuit and overload protection circuits that help protect the device against abnormal voltages, currents, or temperatures. The overload circuit ensures that the device will be reset and resume normal operation as soon as the overload is removed. This is an important feature as it helps the device to continue functioning correctly when extreme conditions occur.

The VDRS05C130BSE Varistor is an excellent choice for applications that require ESD protection and over-voltage protection. Its low resistance at low voltage levels and high surge capability make it ideal for both medium and high-voltage surge protection applications, while its open circuit and overload protection circuits are essential for applications that are exposed to extreme conditions.

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