VE17P02750KED

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Varistors, or voltage dependent resistors (VDRs), as they are commonly referred to, are electrical components that are designed to provide protection from voltage transients. One type of varistor is the Metal Oxide Varistor (MOV) and it is commonly used in consumer electronics, medical equipment, telecommunications, as well as other applications. The VE17P02750KED is a 17mm diameter MOV with a high peak pulse current rating of 2750A (10/1000μs).

MOVs are asynchronous, non-linear devices with two distinct characteristics: they have a large low impedance band near their rated working voltage and they exhibit a high impedance or breakdown voltage above a certain level. The operation of these devices relies on the physical property of the metal oxide material, usually zinc oxide, that forms the core.

When the voltage across a metal oxide varistor increases, the amount of crystal distortion increases until the threshold voltage, known as the “breakdown voltage”, is attained, at which point the crystal structure breaks down and connects. As the voltage continues to increase, more of the metal oxide material breakdowns, the current increases and the resistance decreases.When the varistor voltage drops back down, the varistor will remain conductive and the full varistor voltage will not be able to be applied across the varistor. Thus, the primary purpose of the VE17P02750KED, and other varistors in general, is to protect other components from voltage transients by providing a conductive path and dissipating the energy of the transient.

The particular characteristics of the VE17P02750KED make it suitable for use in a variety of applications. This 17mm MOV has a rated voltage of 275VAC and a peak pulse current rating of 2750A (10/1000μs) and is suitable for applications where high transient suppression is required.The VE17P02750KED has a wide range of applications including industrial control and communication equipment, consumer electronics, automotive, and medical equipment. In consumer electronics, varistors are used to protect against power line surges, and in medical equipment they are used to provide protection from line spikes or transients. In automotive applications, the VE17P02750KED is often used as a protection device in the wiring harness and on the ECU to protect sensitive components from voltage transients.

In summary, the VE17P02750KED Metal Oxide Varistor (MOV) is a relatively large diameter MOV with a peak pulse current rating of 2750A (10/1000μs). It has a wide range of applications across various industries, most notably consumer electronics, automotive, and medical equipment. Its primary purpose is to specifically protect sensitive components from voltage transients and reduce the chances of component malfunction or damage.

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