ROV07H241K-S-2

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The ROV07H241K-S-2 is a model of TVS varistor belonging to the larger class of MOVs. It is made up of metal oxide disks between two columns of electrodes and is developed to protect circuits against transients in short, highly electrical stressful situations. It is manufactured by EPCOS Inc., a company devoted to the production of electronic components.

The applications for ROV07H241K-S-2 are varied. They can be used in residential and commercial building constructions to dissipate transients on power lines to protect parts, appliances, wiring and fixtures. This type of varistor is also frequently used in alternate energy production and distribution, such as photovoltaic plants and electric motors and drives. The ROV07H241K-S-2 is also well suited for industrial and mobile applications such as telecommunications, medical, space and military industries as it can protect sensitive components from lightning storms, electrostatic discharge and large power surges.

ROV07H241K-S-2 has a maximum discharge current of 4.5KA (8/20μs), a voltage range of 80V to 700V and an energy rating of 7.3J. It can withstand peak voltages of 3KV and temperatures between -40°C and +85°C without any degradation. The product is generally sold in packs of 1,000, 2,000 or 5,000.

The working principle of ROV07H241K-S-2 is based on a nonlinear current/voltage relationship, which can be graphically represented as a resistance-capacitance (RC) curve. When the current increases, the voltage is initially low, the equivalent capacitance is low as well and the current can easily pass through it. However, once the voltage reaches a certain level, the capacitance increases and blocks the current. As the voltage increases, the capacitance increases exponentially, resulting in a lower current.

At point A, for instance, the current is high and the equivalent capacitance is low. This allows for a higher current. As the voltage rises to point B, the capacitance increases rapidly and the current decreases due to its higher equivalent capacitance. This is how the ROV07H241K-S-2 TVS can effectively protect circuits against transient events.

In conclusion, ROV07H241K-S-2 from EPCOS Inc. is a TVS type varistor designed for all types of protection circuits that ensure the safety of electric and electronic components, appliances and equipment. Its wide range of voltage and temperature tolerance, high energy rating, and low equivalent capacitance make it the perfect choice for all kinds of industries and applications.

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