ROV14-330K

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The ROV14-330K is a TVS (transient voltage suppression) device designed to protect circuits against sudden surges or spikes of voltage, commonly referred to as “electrical transients”. It belongs to the category of voltage surge suppressors called Varistors, MOVs (metal oxide varistors).

Varistors, also known as variable resistors, are two-terminal, nonlinear semiconductor devices primarily used as a component of transient voltage surge suppression circuits. This type of varistor is composed of two terminals containing zinc oxide, a material with a special power-law electrical resistivity. The resistance of the varistor depends on the applied voltage between its terminals; the higher the voltage the lower the resistance.

MOVs also known as metal-oxide varistors, are two-terminal, nonlinear semiconductor devices composed of highly conductive particles of zinc-oxide crushed and embedded in an epoxy holder. This type of device has the advantage of being able to dissipate a considerable amount of energy safely in case of spikes of voltage. MOVs are usually more reliable and have a longer lifespan than Varistors.

The ROV14-330K belongs to the family of Varistors, MOVs and is designed to automatically regulate line voltages through line to line and line to ground protection. The device has a rated working voltage of 330V and can support a maximum working current of 15A(8/20s). It is specifically designed for use in power supplies, telecommunications, industrial systems and other applications where fluctuations in voltage can cause problems.

The ROV14-330K has an operating temperature range of -30C to +85C. It is constructed with multi-layer circuitry that enables a cylindrical shape of base material with a molded plastic cover which provides protection from external influences. The use of an epoxy-formulated insulation material helps to protect against moisture, dust and other environmental conditions. The device is available usually in a 5x20mm rectangular outline.

Its typical working principle involves connecting the two terminals of the device across a line or load circuit, thereby creating an electrical pathway between the two sides during normal operation. If an excessive voltage surge occurs the varistor is triggered, resulting in a rapid resistance drop and the varistor acts as a shunting path. When the overvoltage stops, the resistance of the varistor returns to its original value and the normal operation is restored.

The ROV14-330K is mainly used in power supply and telecommunications applications to provide protection against electrical transients caused by lightning strikes or other environmental influences. It can also be used as a line voltage regulator that limits power related surges or sags. The device is often used in places such as power supply systems, telecommunications and industrial devices, where high-power electric surges pose a risk of damaging the components.

Overall, the ROV14-330K is a versatile device, ideal for protecting circuits from sudden voltage surge, or for regulating line voltages in places where fluctuations can occur. The device is robust and reliable, and its easy-to-install construction makes it ideal for almost any application. By using the ROV14-330K, one can be sure of dependable protection against any sudden and damaging voltage fluctuations.

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