ROV10H301K-S-2

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TVS devices, also known as Transient Voltage Suppressors (TVS), are components that protect circuits from electrical overstress. Varistors, also known as Voltage Dependent Resistor (VDRs), are one type of TVS device that responds to transient voltage spikes by providing a path to ground for overvoltage current. The ROV10H301K-S-2 is a varistor specifically designed for automotive applications.

The ROV10H301K-S-2 varistor is constructed with a polymeric tantalum nitride (PTN) dielectric material and metal oxide cermets (MLC). PTN has a fragile dielectric structure that allows it to respond quickly to voltage transients and provides a low capacitance. MLC has excellent stability over temperature, making it suitable for high temperature automotive applications. The device is encased in a compact, hermetically-sealed package that is designed to withstand mechanical shock and vibration.

In terms of performance, the ROV10H301K-S-2 varistor can handle up to 16V of over-voltage and provides excellent surge protection up to 65A (12V/3.5μsec peak current). The device has a fast response time, making it suitable for high speed applications, as well as rugged environmental exposures. The device also provides ESD protection up to 5kV.

The working principle of a ROV10H301K-S-2 varistor is relatively simple. When a transient voltage spike occurs, the device is designed to divert the current away from the protected circuit and provide a path to ground for that current. This is achieved by the device’s PTN and MLC materials, which have a non-linear resistance characteristic. The device will resist a base voltage equal to the rated voltage of the component, and as the voltage increases, the resistance will decrease. This allows current to flow at a rate that will protect the circuit while keeping damage to a minimum.

The ROV10H301K-S-2 varistor is specifically designed for automotive applications and is ideally suited for harsh conditions. It is capable of withstanding temperatures from -45°C to 125°C and is rated for a maximum voltage of 16V. In addition, the device is capable of handling 65A of surge current and has a fast response time. The combination of features makes it ideal for use in automobiles, trucks and other vehicles in order to protect circuits from electrical overstress.

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