VDRS07H320TME

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TVS - Varistors, MOVs, are available in a variety of versatile designs and packages to meet the needs of many applications. VDRS07H320TME is one of such components, designed to protect sensitive devices from voltage spikes. It can be used in automotive, industrial, telecommunication, consumer, IT and other areas.

VDRS07H320TME is a multilayer varistor (MLV) with an SMD package. It provides an over-voltage protection to the devices, such as ignition system components, transmitting circuits, automotive electronics, DC-DC converters, motor drivers and microcontrollers. The peak pulse current of this varistor is 7500A (kA, 10/1000μs), while clamping voltage is 320V.

Multilayer varistors (MLVs) are two-terminal devices with many layers of ceramic material as layers, composed of zinc oxide or other non-linear materials with high dielectric constant, and electrode layers from the top and bottom sides? To perform the necessary functions, the assemblies look is very small and compact. The device is a non-linear resistor and responds to changes in voltage by changing its resistance. When a voltage spike occurs, the resistance specified increases to reduce the flow of current through the load, protecting it from damage.

The working principle of a VDRS07H320TME is quite simple. Once a voltage spike occurs, the spark gap in the device enters a high resistance state, substantially increasing the insulation resistance of the device. This stops the flow of current to the load, protecting it from the surge. The spark gap has a diode-like structure and is designed to operate in a specific voltage environment, such as 320V. The spark gap is automatically reset when the voltage returns to normal levels.

Generally speaking, VDRS07H320TME is designed to strictly adhere to certain standards of quality, thus strongly protecting the circuit it is connected to from electrical transients, and guaranteeing the safety of the devices connected to it. Beyond the usage in automotive and industrial, this component is also widely used in telecommunication, consumer, and IT fields.

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