ROV14H431K-S-2

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ROV14H431K-S-2 is a varistor product which belongs to the TVS–Varistors, MOVs category. It is a type of voltage-dependent resistor or VDR with a high power dissipation that can be used in medium voltage applications. As the name suggests, this device has a “varistor” effect, meaning it can control the voltage by dissipating current for its own protection. The key features of the ROV14H431K-S-2 include its high power dissipation capability, low capacitance, high surge current handling capacity, and low temperature coefficient.

ROV14H431K-S-2 application fields stretch from extreme environment to protecting precision equipment in a power system, such as suppress surge voltage generated by a lightning strike. It can also be used to protect DC and computer circuits from over voltage, as well as over-voltage generated in motor and transformer. An automobile starter in hazardous environment may also benefit from the varistor protection, including such heavy surroundings as shipping lanes and oil rigs where high voltage surges can occur.

When it comes to the working principle of the ROV14H431K-S-2, it features a metal-oxide substrate with different film thickness for the dielectric layer, which is connected to a pair of electrodes embossed on the surface of the oxide layers. The substrate thickness determines the breakdown voltage, while the electrode design will affect the current carrying capacity. Under normal operation, a voltage is applied across the varistor and the voltage drops across the device as the current is increased. Once the applied voltage is greater than the rated breakdown voltage, the current conduction increases rapidly, thus it takes the larger share of the applied voltage, protecting the downstream circuit.

ROV14H431K-S-2 has a robust construction and its operation is stable, even when exposed to extreme temperatures or high altitudes. It also features high insulation resistance and low capacitance level which prevents voltage breakdown between the parts. Additionally, its design provides high surge current capability with fast response time and low thermal emission, making it safe to use in high voltage environments. Furthermore, its flexible design allows for different mounting configuration, making it suitable for different types of application fields.

In summary, the ROV14H431K-S-2 is a widely used varistor belonging to the TVS–Varistors, MOVs family which offers reliable protection for various power systems. Its robust construction and flexible design allows for easy integration in different environments, and its high power dissipation and fast response time make it suitable for applications where high voltage surge protection is key.

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